The Power of Love - Frankie Goes to Hollywood

The power of love - Frankie goes to Hollywood


https://m.youtube.com/watch?v=NyoTvgPn0rU


Produced by Trevor Horn


String arrangement by Anne Dudley

Painting with Numbers

A great technique of humans playing on top of machines.


Trevor Horn interview at SARM studios:
https://m.youtube.com/watch?v=fm1fH_csOX0


See also Constant Craving - K D Lang
The song was built after the drum machine hi hat.


See also interview on Love to Love you Baby - Georgio Morroder

Trevor Horn and so many great associates

Inside the Pleasuredome - Frankie Goes to Hollywood


https://m.youtube.com/watch?v=jDhiYdFjFVU

Sony F-96 omnidirectional low or high impedance

A great sounding moving coil small diaphragm microphone.


They have been also described in other euroelectron posts.


They come at low or high impedance and their eBay price is now so low for the sound quality they give.


So far the following variations have been tried.


Small red 1/8in output jack. It is bass uncompensated. Compensating bass reduction can be done by a suitable choice of loading inductance, see Pleiades filters for flat frequency responce from vocal chords to brain. It is low impedance, 600Ω? It can be directly connected to a transistor recorder. For example cassette recorders or very portable ones such as Sanyo TRC-2500. It can also be connected to a balanced low impedance line directly. It can also be connected to an input step up transformer to step up the voltage and impedance. The primary inductance of the transformer can perform the required bass cut compensation, The stepped up impedance and voltage can then drive the gate of a JFET or the grid of an electron tube. The result is a big signal that may send to lunch or for tea many condenser mics. Example JFET or electron tube prepreamps are the Pleiades K117 JFET or Pleiades V4, V5, V6 EF183 battery powered electron tube prepreamps.


Small grey 1/8in output jack. The ones tested were hi Z, 10KΩ? They are bass compensated so they sound fantastic directly connected. They can be connected directly to a Tascam Porta since they usually have an input impedance of 50KΩ and they seem to be happy with a driving impedance of 10KΩ. They can also drive the Pleiades electron tube or JFET preamps without they need of an input transformer as they have it inside them.


Big black 1/4in output jack. High impedance too. Bass compensated. It has also been tried with Tascam Porta 07 for great amazing sound. It has also been tried connected to iPad through a Pleiades K177 preamplifying (K117 JFET inside a female connector) cable for great sound.


Big black 1/4in output jack. High impedance. This one is bass uncompensated. So it sounds big and bass heavy. Should be suitable for drums. And also driving the iPad through a Pleiades K117 as the iPad has already a low cut filter at the headphone mic input.


Reference:
Flat frequency responce from singer's, actor's vocal chords to listener's brain, Sound Picture a Recording and Reproducing Characterustics - Lowe, Morgan - Journal of the Society of Motion Picture Engineers

France is back 1st on euroelectron visits

The U.S.


Then China.

Analog class A and processing power consumption

It is funny the fantastic sounding class A amplifiers (electrons flowing all the time trough the active amolifiing device) have been acused of high power consumption compared to power output, (low power efficiency).


And now we are surrounded by millions of power hungry computers on all the time making the miracle of internet possible. And no matter if we press play or not the power consumption is almost the same and it is high.


A recording cassette Walkman will only consume power when one presses the rec button, it will start recording instantaneously, almost at the speed of light. The sound quality is so lifelike. A disadvantage is possibly more wow and flutter that the good sounding low wow and flutter.


Example setup:


Sony F-96 moving coil omnidirectional mic at 1 inch distance - Sanyo TRC- 2500 excecutive talk book cassette recorder


It's power amplifier would not be in class A but its recording amplifier should possibly be.


It sounds very real.


Having this little 100mA current at 3 volt consuming Walkman in front, you can hear a recorded voice coming from it. Turning your head the soundfield from the reflections of the room changes and the brain knows the voice always comes from the same position. No matter what you do even if you walk out of the room. Is it more real reality than virtual?

The colors in music, Τα χρώματα στη μουσική

Τα χρώματα στη μουσική ειναι η απόσταση του μπάσου απο τη μελωδία.


The colors in music are made by the distance of bass to melody.


For example:


Last Christmas - George Michael


https://m.youtube.com/watch?v=E8gmARGvPlI


At 0:13 to 0:14 George Michael sings the very high note B while the bass goes from E to A.


When the bass becomes A his melody voice resolves from B to A.


But since there is reverb used and our brain remembers too, when the bass becomes A there is still the sense of A bass with the very high B.


This sense is the color or sense of the 9th interval. It is called 9th because from A to B are 9 scale steps. La Si Do Re Mi Fa Sol La Si or A B C D E F G A B.


Intervals or colors such as the 9th are found in ingenious music like that of J.S. Bach. For example the color of 9ths is used a lot in the Mass in B minor - J.S. Bach. At the Kyrie for example there is a lot of E bass with F# at a higher playing instrument or part. F is F sharp because the key is B minor.


Another example of the 9th interval is on 0:02 of Frozen - Madonna.
https://m.youtube.com/watch?v=X132krRmyGM
At the second bar or chord change at 0:02 we still have F bass but one family of the stringed instruments plays a high G (interval of 9th from bass).


The 9th at the George Michael example sounds more happy than the other 2 examples because the 3rd usually taken above the bass happens to be major than minor. The key of Last Christmass is D major. D major has the C sharp. So when the bass is A, the third which is C is C sharp. So the chord is A major 9th.


The 9ths on the Bach and Madonna example are minor 9ths.


So in music combining intervals is like combining colors to get a new color.


The first 9ths on Last Christmas are minor 9ths, for example E bass and F sharp (E minor 9th) played by the synthesizers before George Michael sings the A major 9th. The F is F sharp because the song is written in the scale or key of D major which has the F and C sharp.


References:


Mass in B minor - J S Bach - YouTube


Mass in B minor full score - J S Bach - Dover


http://normanschmidt.net/scores/bachjs-general_bass_rules.pdf

Some of Jean Michel Jarre's instruments

Legendary instruments - Jean Michel Jarre - YouTube


https://m.youtube.com/watch?v=ctOhwRGdVvo

A Great Scientist

Richard Feynman on electromagnetic waves:


https://m.youtube.com/watch?v=FjHJ7FmV0M4

Ένας φοβερός επιστήμονας

Ο Richard Feynman εξηγεί τα ηλεκτρομαγνητικά  κύματα:


https://m.youtube.com/watch?v=FjHJ7FmV0M4

Χειραγωγώντας την επιστήμη εχει επιτευχθεί ο επιστήμονας να φαινεται κομπογιαννίτης και ο κομπογιαννίτης επιστήμονας;

Ενας απίστευτος επιστήμονας, ο νομπελίστας Richard Feynman.


https://m.youtube.com/watch?v=FjHJ7FmV0M4

It is great that...

Less and less food companies are using palm oil (which has a reputation of clogging blood arteries) in the toast bread, chocolate, ice cream, ice cream cones, croissants, snacks etc.


The world is becoming a better place.

It is great that...

radio stations are stopping playing all those songs that make people feel bad about what went wrong in the former relationships.


All those songs with lyrics, can't live without you, it's over now, etc that make you feel small vulnerable and more apt to buy what the coming commercial will want you to buy.


And you can always have your cassette player and play what you want without paying a price.

The Best Hi-Fi?

Is a girlfriend singing to you.

The trick is getting as much of the electron tube sound...

as soon as possible.


This is one of the reasons why the front end (first stage) connected to the microphone operates with just 6V or less on the Pleiades V series electron tube prepreamps.


So we have the mic voice coil then the step up input transformer then the electron tube stage operated in class A with few volts at the anode and an anode to grid electron accelerating resistor. In fact it is a resistor that compensates the internal negative bias of the electron tube by the boiling electrons from the cathode. The cathode is underheated too as is done in the Neumann U47 prepreamp.


A second stage can be used to get more instatenious peak limiting


Or a third stage depending on how loud the input acoustic signal is.


References:


On preserving the transconductance of electron tubes at anode potential as low as 6 volts - euroelectron blogspot


Pleiades V6 schematic - euroelectron blogspot or Flickr

Pleiades 1x2N3055 class A power amplifier KiT

It would be nice if a KIT existed for making a Pleiades 2N3055 power amplifier operating in class A.


Class A means electrons flowing all the time.


It is a very musical sounded amplifier with extreme bass, treble and smoothest midrange.


Frequency responce is down to nearly 0 Hz as the 2N3055 transistor is direct coupled to the loudspeaker. See nearby euroelectron post for the description of the amplifier.


The KIT should contain the likes of, fuse holder, fuses, transistor holder, battery holder, 2N3055 transistor, input output connectors, metal box, the biasing resistor and a variable resistor for volume control. A coupling capacitor if needed.


It may be a nice experiment for small or big kids to make something that reproduces music in such a nice way.


They would then connect to their smart phones, CD player etc and a loudspeaker and be proud to enjoy nice sounding music like the real thing from something they had made themselves.


Pleiades concepts, schematics, ideas are public domain.


Reference:


http://euroelectron.blogspot.gr/2017/11/a-simple-2x500mw-pleiades-power.html

Comparison of a class D 2x50W to a class A 1x100mW music power amplifiers

Guess which sounded better.


The class D is a typical home theater amp from a well known maker.


The class A is just a 2N3055 power transistor and a 10KΩ biasing resistor as described on a nearby euroelectron post.


The class D no matter how loud, it sounded small and distorted.


The class A no matter how soft it sounded loud and musical.


The SPL of the class D was of course higher when the volume was increased but at least the class A was playing music.


The class A sounded more dynamic with impact on bass and drums even at very small SPLs.


There was distortion on both amps if the ear was close to the loudspeaker but this might have been from the CD also.


At least the distortion from the class A amp sounded more musical.


Signal path, setup:


CD Ingenue - K.D. Lang - Constant Craving - Sony CD Walkman D-EJ758CK - power amp, class D or Pleiades 2N3055 class A - Sony APM-078


Is this why 1 or 2 watts of a single ended class A electron tube amplifier send to the cleaners anything else? Perhaps it is time to build a single ended EF183 Pleiades amp with batteries, search on google for the relevant euroelectron post. All safety precautions must be taken into account, left hand always in back pocket etc.


And Is this possibly the reason why the "state" "of" "the" "art" class D amp now goes on eBay for 50usd (everybody seems to want to get rid of)? whereas a 2x2W electron tube single ended class A power amp from the same company made 50 years ago goes on eBay for 250usd. Consumers are clever. They listen to it at their friend's, their jaw drops and then they search and bid on eBay.


Class A amps have the least distortion at small levels on the planet and gradual distortion at higher levels, like nature itself. When using mathematics we take the first term of Taylor's series for small signal levels. Nature is assumed to be linear at small signal levels or small excursions.


Class A means electrons flowing all the time.


It is important to re,ever what the Hollywood engineers in the 30s discovered. That the game production-reproduction is not correct by judging from microphone to loudspeaker. But from the brain of the artist to the brain of the listener.


References:


Tubes vs Transistors, Is there an audible difference - Russel O. Hamm - JAES


Applied Electronics - T.S. Gray - MIT


http://euroelectron.blogspot.gr/2017/11/a-simple-2x500mw-pleiades-power.html


Basic Electronics - US Navy (NAVPERS) - Dover


(Flat frequency responce from vocal chords of actor, singer's vocal chords to listener's brain), Sound Picture Recording and Reproducing Characteristics - Loye, Morgan - Journak of the Motion Picture Engineers

Smooth sounding curves

Abrupt curves look ugly. Why should they sound good?


Smooth curves are like a woman's body.


And they sound good.


Class A amplifiers are very linear at small levels and progressively nonlinear at high levels.


A music signal has such a tremendous dynamic range that it is impossible to keep it in the straight part of an op amp or digital system's "linear characteristic".


This applies to reproduction but even more so to production.


And this is major reason why electron tube made 60's recordings sound like the real thing.


Reference:


Tubes vs Transistors, Is there an audible difference? - Russel O. Hamm - JAES

The ideal active self powered battery speaker ?

Should preferably be:


With an amplifier class A single ended.


Only one germanium transistor.


Minimum components, for example biasing from collector to base with just a resistor. See a nearby previous euriekectron post.


Battery powered, rechargeable too. Ordinary size popular batteries.


No output transformer?


Slim and beautiful.


Large vibrating membrane if many full range speakers are connected in series.


Open back (dipole).


Efficient magnet.


Made from transparent material? So that the simplicity can be seen.

OTL Pleiades 300B

At your own risk.


Many full range speakers in series to get to 800Ω. So the open back array would behave as a large membrane dipole.


Directly connected to the anode. Careful with high tension.

Back to Mono?

This s not to underestimate stereo which is clearly one of the greatest achievements of mankind. Alan Blumlein who was a pioneer of stereo is clearly one of the greatest electronic engineers of all time.


But mono can sound great too.


And Phil Spector had said there is not a way you can balance 2 channels exactly. And many of his masterpieces were recorded in mono.


While writing this post at night, a 500mW (see nearby euroelectron post) single ended class A transistor amplifier is playing in mono. The CD is Ingenue - K.D. Lang. Both channels from the CD player are connected together and the amp is driving a speaker situated in front.


It is like having K.D. Lang in front of you. Her voice is coming out of a point in space, the loudspeaker. Same as if she were in the room.


And if the listener turns his-her head the reflections from the room walls are just like the real thing. It is a similar sound field. Nothing can beat that. It is 3D and when the head of listener moves the sound changes as it should. As in real life because it is real life.


And this reminded of what the little 3 year old kid Ionas said a few months ago. It was mentioned that 2 loudspeakers have to be brought to be connected to a Tascam Porta 2. And the little kid immediately asked why 2 loudspeakers?

To match or not match electron tubes

Not matching produces more 2nd harmonics ie 2nd harmonic distortion which is a good thing.


2nd harmonic ie doubling of frequency is close to an octave. 3rd harmonic ie 3xf is close to an octave and a 5th. For example if the input signal is a C3 (DO) the 3rd harmonic is G4 (SOL).


Perfect matching cancels all even order harmonics.


References:


Applied Electronics - T.S. Gray - MIT


Radio Engineering - F. Terman - McGraw Hill


Tubes vs Transistors, is there an audible difference? - Russel O. Hamm - JAES

Creating a Pleiades electron bass drum sound

At your own risk.


The idea is what happens when one connects a small battery across the terminals of a speaker.


This step function voltage source has frequency content from nearly 0 Hz to very high ie a very quick attack.


Disconnecting the battery one can hear the inverse step function voltage.


How would a dance song sound like if instead of 4 to the floor the pattern 1 -1 1 -1 is used.


The inverse (-1) sounds a bit different.


One could use a battery switching circuit with a transformer in series to complete or close the circuit.


The secondary of the trasformer would provide isolation, blocking of DC, bandwidth conditioning, peak limiting etc.


And if a proper DC battery voltage and secondary impedance is used one could have line out from an original bass drum electronic sound.

A simple 2x500mW Pleiades power amplifier operating in class A

At your own risk.


It should be easy to make as it is a minimal signal path for great sound quality.


Class A operation means electrons are flowing all the time trough the active amplifying device.


In this particular case they flow all the time trough the loudspeaker voice coil too, so before connecting your precious speakers test everything is OK using other small speakers. The normal current is 100mA but watch out it may increase by time as transistors warm up. This may lead to thermal runway and destruction of the speakers. Heat sinks help and the fact that it is a low power design.


Each channel uses:


1x 2N3055 transistor
1x 25KΩ biasing resistor from collector to base
1x9V battery


That's all folks.


It should make an unbelievably hi end sounding amplifier for late day listening when things around are quiet and we want the loud sounding juice of analog class A amplifiers without disturbing the neighbours.


For volume control a variable series resistor from source out to transistor base is used. No electrolytic coupling capacitor is used as the source would have one but pay attention there too. Everything at your risk.


The speaker is connected between collector and Vb=9V.


The 25KΩ biasing resistor is connected from collector to base.


Battery minus and signal ground is connected to emitter.


The sound is amazing as you expect.


The more the amp is pushed the more harmonics it produces instantaneously limiting peaks while making the sound subjectively loud. The small signals are sweet and smooth.


2 channels for stereo should fit a nice box. Bulgin 9V drawer battery holders can be used. Fuse using in series is important for safety. One can play with Vb, Rb etc to improve the sound but all precautions must be exercised. Presumably many 8Ω speakers are connected in series would give a better load and impedance matching for max power transfer. See also the Pleiades open back dipole speaker on euroelectron. With 16 speakers of 8Ω the resultant will be 128Ω. Assuming 100mA flowing the drop would be 12.8V. So a Vb of 24V could be used while having the collector settle at 12V. So excursions of 12V could exist at the output. It may be advantageous to have the quiescent point not midway as non symmetrical clipping produces more 2nd harmonic distortion which is a good thing.




Signal path, setup:


(CD: Ingenue - K.D. Lang) - CD Walkman Sony D-EJ758CK line out L and R connected together for mono - 1KΩ series resistor for reducing volume - Pleiades power amplifier - Sony APM-078


Mono can sound extremely natural, see nearby euroelectron post.


Reference:


2 - Transistor miniature A.F. Amplifier - K. Jones - Audio Amplifiers - edited by J.R. Davies - page 41 - Data Publications LTD - London


Tubes vs Transistors, is there an audible difference? - Russel O. Hamm - JAES


General references:


Electronics, a Systems Approach - Neil Storey


Applied Electeonics - T. S. Gray - MIT

How True Faith - New Order was made

An excellent article by Sound on Sound.


https://www.soundonsound.com/techniques/classic-tracks-new-order-true-faith


The vocal mic was the Beyer M88 moving coil.

We strive for 0% customer satisfaction or how to donate

(Assuming the description was the worse it could be.)


If the item you have bought does not match the description do not bother to contact us as we won't bother to contact you back. Just get a little sledge hammer and make sure you make it match the description.


We strive for not more that 0% feedback.


If you intend to leave less than 5 stars please do so we love it.


If you intend to open a case please do so without contacting us. We won't do anything anyway to rectify matters. We can only make them even worse.

Public Women Angels, Δημόσιες Γυναικες Άγγελοι

If one treats her like a girlfriend she will be most happy to give.

I Make Myself

23:33


https://m.youtube.com/watch?v=naCWs7WmLm8

A very interesting documentary on Willi Studer

The man behind Studer the legendary Studer analog magnetic tape reel to reel recorders.


https://m.youtube.com/watch?v=f9gIFk2OK-g

They are so scared...Φοβούνται τοςο πολυ...

That all they can do is try to make you feel guilty. Που το μονο που μπορούν να κανουν ειναι να προσπαθήσουν να σε κανουν να αισθανθείς ένοχος-η.


They have not read Enchiridion - Epictetous. Δεν έχουν διαβάσει το Εγχειριδιο - Επικτητος.


Reference:


Enchiridion - Epictetous - free PDF


Εγχειρίδιο - Επικτητος - Κάκτος τόμος 5

How to correctly connect a microphone to Marantz PMD 430 CP 430 Uher 4200

This applies to transistor inputs of 10KΩ.


The moving could microphone of 200Ω impedance is stepped by a microphone input transformer.


The high resulting signal voltage of low noise is fed to a high impedance JFET or electron tube input.


The 10KΩ output impedance of the single ended class A (electrons flowing all the time) of the JFET or electron tube is a perfect match.


The signal input to the recorder is high and big (like that of a Neumann U47 microphone).


So there is no hiss on the analog recorder at reproduction.


And the sound quality is so good.


Every detail of the sound source like an electron microscope information extraction. The singer does not need to force at all.


See also the next euroelectron post.


Signal path, setup:


Ordinary bedroom - male singing voice from 2 in - Electro Voice RE-15 microphone with low cut - Pleiades V5 prepreamp - Marantz PMD430 or CP430 - Sennheiser HD580

The good thing about analog recoding is that it may sound better than the original signal

Assuming a signal path from singer's vocal chords to listener's brain. Not from microphone to loudspeaker!


The above consideration does not only include electrons but only molecules (acoustic path), and our brain.


The input electronic signal to an analog recorder would not be the same as the output. And this is a reason it may sound better considering the whole system from singer's vocal chords to listener's brain.


Example set up, signal path:


Ordinary bedroom - male singing voice - Electro Voice RE-15 microphone with low cut - Pleiades V5 prepreamp - Marantz CP-430 - Sennheiser HD580


By comparing the original and reproduced signal in real time using the 3rd head, the playback sounded more natural. Both source and reproduction sounded excellent. A systematic error may be the artificial double tracking effect.


The microphone was 1-2in from acoustic source.


The reasons why may be too many. Not only change in frequency responce, dynamics.,,,


To describe subjectively the reproduced voice appeared more full, more real to listener's brain.


Hiss was non existent in both cases due to the very low noise microphone and electron tube preamplifier.


Some of the processing on very high peaks may had been done by the 2nd EF183 stage of the battery powered Pleiades V5.


Reference:


Tubes vs Transistors, is there an audible difference? - Russel O. Hamm - JAES


Flat frequency responce from singer's vocal chords to listener's brain, Sound Picture Recording and Reoroducing Characteristics - Journal of the motion picture engineers

We become glib when we have guessed the questions

Ετοιμόλογος γινεται αυτος-η που προετοιμάζει τις απαντήσεις

Η που εχει σκεφτεί ποιες θα ειναι οι ερωτήσεις,

Welcome Indonesia, Bosnia and Herzegovina on euroelectron

Recording analog live

Using for example a reel to reel tape recorder.


How? Would the following be a great way?


Sending in a loud signal using class A operating prepreamps (Pleiades K117 for example).


So a loud an low noise signal feeds the recorder. The recorder then creates volume, instatenious peak limiting, high average level etc. each instrument may have its own mic. For how to combine many mics see other euroelectron posts by searching on Google.


Monitor out from the recorder loudspeaker if for example synths or drum machine is recorded can be set to low so that the singer sings in tune (see other posts).


An other alternative may be feeding the prepreamp signals to a Pleiades analog simulator or analog magnetic tape recording using a saturated interstage transformer. More on other posts.


Which of the 2 ways would sound best when feeding A to D converters?


References:


Tubes vs transistors is there an audible difference - Russel O. Hamm -JAES


Making Records - Phil Ramone


General references:


Applied Electronics - T.S. Gray - MIT


Electronics, a systems approach - Neil Storey


A practical introduction to electronic circuits - Martin Hartley Jones

Welcome United Arab Emirates viewing euroelectron posts

A Walkman to record at 7.5 ips?

Would it be possible?


Modifying one of those great portable cassette recorders or a great quality Walkman to record at 7.5 ips.


If a recorder is using 2 AA batteries then (at your own risk) modifying could accept 2 AA size lithium 3.7V batteries. The total voltage would be more than 7 volts and the motor could be made to run at extreme speed.


Then the playback EQ curves or amps modified or redesigned.


Same for the recording amps.


Everything should be more easy.


No hiss as the time constants would be much lower like on reel to reel.


No need for Dolby.


New designed heads for full 2 track stereo (all the tape width of the cassette).


Total running time would be 7.5 minutes.


More than enough to record a great song master.


With great JFET tiny transformer (Pleiades filters) input preamps.


Then connecting 2 or a few more moving coil microphones in parallel series combinations so no need for the complexity of a mixing (adding) console. Extremely simple and pure signal path.


Then digitisation can be possible as the signal would be instateniously peak limited, big and loud.


Portability at an unheard of sound quality.


The other alternative could be analog simulation of analog magnetic tape recording using saturated interstage transformers, "recording" premphasis and "playback" post emphasis. And then A to D conversion. See other euroelectron posts.

Is Marketing the science of predicting how much the quality cab go down before the consumer will say no if being still alive?

In the case of palm oil, vegetable oil containing pastries (food) there may be a long delay for saying no as the consumer with the clogged arteries does not instantly become dead or handicapped. Kids for example are born with 100% open arteries.


It is not that companies are to blame. The consumer has the responsibility of keeping freewill or freedom. Nobody forces a cheap croissant inside us.


Reference:


The small letter ingredient list on the packaging of cheap croissant, ice cream, chocolate, toast bread, cakes, snacks etc

Analog recordings have digital recordings for tea?

Do they send them to the cleaners?


Lunatic - Gazebo instrumental on YouTube played by a disc 12" record
https://m.youtube.com/watch?v=FLEUYHzXbu4


This may be because analog recordings use vibrating electrons or molecules to represent the vibration of molecules or electrons in musical instruments, in an analogous way. Disc records use for example vinyl molecules to modulate the grooves with the signal itself. Without modulation a straightened groove would look like a flat V shaped river shore.


Digital systems use numbers to represent a tremendously abrupt changing live music signal. When there are no more 1 1 1 1 1 1 1 1 1 ... 1 1 1 left to represent a peak of the signal they give the worst abrupt distortion.


Analog systems overload gradually and gracefully creating overtones or harmonics like real acoustic or analog electronic instruments.


This process creates a conditioned signal with a high average level and no nasty peaks.


It can then be digitized and sound loud without overloading op amps or digital circuits, analog to digital converters etc.


So that then mankind can download the numbers and reconstruct the analog conditioned waveform on YouTube to enjoy.


Analog systems are extremely linear at small signal level amplitude excursions and progressively nonlinear at higher (levels) amplitude.


Just like nature. Like the earth being flat for snall distance travels. Like our ears.


Analog systems use non linearity to extract or store more information, a great property for recording music lively. This is because they fit something big to something small. A high dynamic range to a small one. So that we can still hear and enjoy everything while being inside the noise of a car for example.


Is digital great for archiving? Time will show.


Is analog great for music production. Time has shown.


References:


Tubes vs Transustors is there an audible difference? - Russel O. Hamm - JAES


Applied Electronics - T.S. Gray - MIT


Electronics, a Systems Apreach - Neil Storey

On Pleiades Electra 3

On Pleiades Electra 3 the electron tubes are to their limits fir the particular low supply voltage.


So they give a big sound at lower power level of the driven headphones.

A beautiful use of 6ths, 9ths. Πανέμορφη χρήση διαστημάτων 6ης, 9ης

Lunatic - Giombini


https://m.youtube.com/watch?v=FLEUYHzXbu4


Listen to the miniMoog playing E bass and another synth playing C (interval of 6th relative to bass). At 2:31 etc.


Then bass playing A and another synth playing B (interval of 9th). At 3:17.


Bach liked the interval of 9th. And the same A 9 code can be heard on Qui Tolis - Mass in B minor.


References:


http://normanschmidt.net/scores/bachjs-general_bass_rules.pdf
https://m.youtube.com/watch?v=cxxKPL_CZ1g

Ο συνθέτης παραγωγος του I Like Chopin

Pierluizi Giombini.


https://m.youtube.com/watch?v=cxxKPL_CZ1g

Analog simulation of analog magnetic sound recording part 13

See next euroelectron post on using magnetic transformer saturation to distort the bass drum sound of the Oberheim DMX drum machine.

How to distort the bass drum sound of Oberheim DMX

It can be instantly done by connecting a small signal transfomer to the mono line out.


The bass drum volume control is at max. While increasing the master volume control and approaching the max position magic distortion begins to take place.


The transformer used is a bought from Canford UK 1/4in mono jack which has a tiny transformer inside it. Possibly both components made by Neutrik? It is very convenient too as it acts like a DI. In this case hi Z to a low Z that can drive even 150Ω headphones. The Sennheiser HD580 headphones were used bridged to mono so the resultant impedance is 300Ω//300Ω=150Ω.


Setup, signal path:


Oberheim DMX, line mono out - Canford 1/4in jack transformer or impedance converter - Sennheiser HD580


It ties up with the preliminary experiments of analog simulation of magnetic analog sound recording. A transformer instantly records and plays back a music signal by the magnetic field linking both windings.


The distorted bass drum sound reminds of Say it Right - Furtado

France back to first on euroelectron views

Pierluizi Giombini Interview

Pierluizi Giombini is the man who produced masterpieces such as I Like Chopin, Lunatic and Masterpiece.


If you were a kid when these songs were aired for the first time they may have had a great influence on you.


But no matter when or where someone listens to them they have the same effect. They always remind of the beauty in music and life.


Hoping a great man accepts the invitation for an interview what could one ask? Here are some preliminary questions.


For example.


Was the DMX clock out used to synchronize the other synths and how?


What was the signal path from synthesizers to tape?


The signal path from microphones to tape, what mics, preamps?


Multitrack or direct to stereo tape analog master?


Why do these songs sound so fresh?


Were they influenced by J.S. Bach?


Was the DMX tuned in every voice card to the key of the song?


What was the make, model of the piano and how was it micked?


What was the reverb or delay used and where?


How were the miniMoog, OBX, Juno synths programmed?


How was the melody of I like Chopin inspired?


Did the fact that you chose to be behind the scenes help you keep your freedom?


Your greatest wish.

See the oberheim DMX drum machine used by the man who created I Like Chopin

https://m.youtube.com/watch?v=cxxKPL_CZ1g

Pierluizi Giombini one of the best music producers

The man who wrote I like Chopin, Lunatic, Masterpiece and other masterpieces.


https://m.youtube.com/watch?v=cxxKPL_CZ1g

Πως θεραπεύεται αμέσως το κρυολόγημα How to instantly cure a cold

At your own risk. Με δικη σας ευθύνη.


Squeezing a just removed from the tree bitter orange to a glass of water. Ρίχνοντας το χυμό ενός μόλις απομακρυςμενου απο το δέντρο νεραντζιου σε ενα ποτήρι νερό.


Reference, πηγη:


The work of Nobel laureate Linus Pauling on vitamin C. Η εργασία του Νομπελίστα Linus Pauling πανω στη βιταμίνη C.

The Telefunken V72 preamplifier and positive feedback

There is a resistor connecting the cathode of the second stage electron tube to the cathode of the first stage electron tube.


Is this positive feedback suggesting multitude of decaying in amplitude mirror sound signal images?


Many ADT but happening at the speed of light?

Analog simulation of magnetic tape analog sound recording part 12

While trying to place back the mixer and tape delay section of the FBT personal 1002 to its wooden structure a wire was cut accidentally.


It was impossible to figure out where it was going originally so it's other end was traced. And it was connected to the recording head and the bias oscillator output.


This serendipitous accident strongly sujesting that the analog simulation experiments should follow up.


Looking at the schematic of the Italian FBT personal 1002 electron tube PA system the tape delay recording head is connected as follows. At the anode of the recoding amplifier output tube (ECC82 or 83?) is a normal DC blocking capacitor and then a series resistor of 220KΩ! the other side of which connects to the recording head.


By observing the actual equipment the implementation is. The anode connected to a 220KΩ resistor and then a coupling capacitor feeds the recording head.


Electron tubes seem ideal to feed a magnetic head with constant magnetic flux. Electron tubes and JFETs are voltage controlled current sources. Electron tubes have a high output voltage and high output impedance. This output impedance is further increased by 220KΩ in this case. So with the inductance of the recording head we have a great rising voltage responce with frequency (Pleiades filter). Or constant current. So that the tape can approach saturation at all frequencies?


The following questions may be interesting.


How would this tape delay system sound if we forget about tape and just unscrew the recording head and and let it "kiss" at the airgap the playback head?


Should the high frequency bias be on?


What would happen if the halo (echo repeat or feeding back to itself) function is activated and adjusted before oscillation? This time there is no tape delay and the only delay is the time light (electromagnetic wave) takes to travel between input and output of the electron tubes.


(In fact there is positive feedback on the Telefunken V72 preamplifier. By watching the schematic there is a resistor between the cathode of the second stage and the cathode of the first stage).


Are we talking about thousands of decaying sound mirror images happening at extremely small fractions of a second?


To follow up in the analog simulation experiments of analog tape recording the schematic of the Binson Echorec should be examined too.


It sounds great and it was used extensively by Pink Floyd, both Richard Wright and Dave Gilmour.


Pleiades laboratories have 2 circuit boards of Binson Echorec from 2 damaged Binsons.


Should they be used by feeding the output of the recording amp to the primary winding of a transformer, and the secondary winding feeding the playback amplifier?. Using a transformer made of very small volume of iron?


To create a great quality simulation system from scratch (since a transformer must have much less loss than 2 heads joined) would low voltage battery operating JFETs or battery operated (Pleiades V series prepreamps) electron tubes give excellent signal to noise ratio at much less time constant than used at 30ips reel to reel tape recording?

Η Κανελινα και η βιταμίνη C

Με δικη σας ευθύνη.


Η Κανελινα και ο γάτος με την πραςινη κορδελα συνεχεια κρυολογουσαν.


Η Κανελινα έβαλε τα κλάματα και πήγε στους σοφούς γλάρους στην παραλια.


Το αγαπημενο ζευγάρι των γλάρων γέλασε και της είπε οτι αν τρώει οτι εχει βιταμίνη C, οπως και νερατζι που εχει παρα πολυ, στημένο σε ενα ποτήρι νερό. δεν θα ξαναρωτησει ποτε. Και αν ειναι άρρωστη θα περάσει αμέσως.


Η Κανελινα πετάχτηκε απο,την χαρά της.


Φώναξε τον γάτο με την πραςινη κορδελα, την υπομονετική χελώνα και τις πετροπέρδικες και όλοι μαζι χόρεψαν και τραγουδηςαν κατω απο το φως του αστραφτερού Ηλιου που δεν αφηνει καμια σκια στην αλήθεια.


Πηγη:


Dr. Linus Pauling on vitamin C - YouTube
https://m.youtube.com/watch?v=2bymKIPaTws

Πως να μην κρυολογήσεις ποτε; Μια απίστευτη διάλεξη για τη βιταμίνη C απο τον νομπελίστα Linus Pauling

Με δικη σας ευθύνη.


Ο Linus Pauling ειναι ο χημικός που μαθαίναμε στο σχολείο για την απαγορευτική αρχή Pauling στη χημεία.


Σύμφωνα με έρευνα του και προϋπάρχουσες μελέτης η βιταμίνη C απο τα φρούτα και λαχανικά οχι μονο προστατεύει αλλα και θεραπεύει σχεδόν τα παντα ακομα και τα γηρατειά.


https://m.youtube.com/watch?v=2bymKIPaTws

An amazing lecture, How to never catch cold? and more Vitamin C by Nobel Laureate Linus Pauling

At your own risk.


It is the same scientist we learn at school when we study the Pauling exclusion principle in chemistry.


According to Linus Pauling vitamin C does not only prevent but cures almost everything including aging.


Dr. Linus Pauling on vitamin C - YouTube


https://m.youtube.com/watch?v=2bymKIPaTws

Russia first this week on euroelectron views

A great recording done with a laptop? Stepping Stone - Duffy

Stepping Stone - Duffy


Reference:


It should be in an interview of producer Steeve Brooker on hitquarters? He talks about working with Duffy and how demos become masters. After success he was talked into buying more complex equipment.

An interesting site about arteries and Nobel Laureate Linus Pauling

http://www.paulingtherapy.com

Nature gives us everything to protect us

And at the right time.


For example it gives us fruits from citrus trees to protect us from caching a cold or doing way with it.


It can be seen that the first ripe fruit in a tree is ready the first day of feeling cold after autumn. For example a bitter orange. They are full of vitamin C which seems to be the source of energy for our immunity system.


In fact every fruit around the year should serve a specific purpose.


Reference: the work of Nobel awarded chemist Linus Pauling (The same scientist discovering the Pauling exclusion principle of electrons)

Summing or mixing 2 or more signals part 3

It may be done:


With resistors.


Hybrid transformers.


Nothing. Just connecting 2 signal voltage sources in series or parallel combinations. For example microphones.


Further nothing. By acoustic coexistence in the same space. All instruments in the same room very close to a mic?


In the above methods it is nature itself doing the summation. Electrons or molecules vibrating with the superimposition of each instrument vibration.


Advantages:


Almost infinite resolution.


No latency. Speed of light?


No power consumption,


No generation lost.


Almost infinite bandwidth.


Disadvantages:


Resistors will introduce some dB loss.


Hybrid transformers less dB loss. Less bandwidth. In fact this is an advantage, going for flat frequency response from instrument or voice chords to listener's brain. Instateneous peak limiting like magnetic tape recording and reproduction in real time. In fact this is an advantage too for getting a high average signal (loud).


By connecting signal voltage sources in series or parallel there is no dB loss but there is an increase or decrease in impedance. For example connecting together 4 microphones of 200Ω in a series parallel combination brings back the resultant impedance to 200Ω. At your own risk.


Adding instrument sounds by the acoustic waves themselves place very strict demands to the room or space. It is God or nature performing the addition but the acoustics play a very important role. Membrane bass absorbers should be used. Porous absorbers too. Or using outdoor or very large spaces.


In the 60's many of these principles must have been used by the nessesity of simplicity. Or by the quest for excellence.


Much passive connection was done just after the mic. For example the BBC or EMI using attenuators, summers too? just after the microphones or the internal mic prepreamps if it were a U47.


Acoustic leakage from each instrument was used to advantage for a big sound.


Handmade electron tube amplifiers, adders etc were made or made up from converted broadcast consoles.


Are these some reasons why 60's recording sound so great to our brain.


For example, This Girl's in Love - Dionne Warwick - produced by Phil Ramone


This post does not mean that great sounding music cannot be made with a laptop, for example Stepping Stone - Duffy.


References:


Discussion with Sean Davies on the use of passive circuitry just after the microphones by the BBC with no problems or no hiss or noise.


High Quality Sound Production and Reproduction - Hadden - BBC - Iliffe


Elements of Sound Recording - Frayne, Wolfe - University of California, Los Angeles - John Wiley & Sons


Motion Picture Sound Engineering - Research Council of the Academy of Motion Picture Arts and Sciences - D. Van Nostrand Company Inc.


Flat frequency response from singer's or actor's vocal chords to listener's brain, Sound Picture Recording and Reproducing Characteristis - Loye, Morgan - Journal of the Society of Motion Picture Engineers


(hybrid transformer adders), A Rerecording Console, Associated Circuits, and Constant B Equalizers - Miller, Kimball - JSMPE


Making Records - Phil Ramone


Acoustics for Radio and Television Studios - Gilford - BBC

Is every DSP or A to D a generation lost?

Multitrack recording with many mono cassette recorders

Is it possible?


Starting them simultaneously.


Recording each instrument with a close up mic.


Playing back by pressing play simultaneously from the beginning of each cassette. Each musician pressing play to his, her instrument recording.


Pray that they stay in synchronization.


If the musician is not happy they can take their cassette with them.


Advantages:


No cables needed on playback. Each cassette player is self contained with batteries, amp and speaker.


3D effect as each instrument is acutely presented in soace as a real entity.


If needed the tracks can be digitized and mixed or synchronized in a DAW?


Analog tape recording instatenious peak limiting on each track.


Very direct sound as the signal oath us very simple. Just a few transistors from mic to speaker.


Wow and flutter can liven up analog synth tracks furthermore.

Can an analog 1st generation sound recording sound better than a live analog signal?

It may do as it conditions the signal by instateniously peak limiting it, etc.


Then op amps, A to D etc can cope.


Would an analog (signal transformer) simulation of analog magnetic sound recording produce comparable results?


References:


www.261.gr


Analog simulation of analog magnetic sound recording - euroelectron blog spot

An analog recording can be 1st generation

Analog for production

Digital for reproduction?

Marantz PMD 430

An amazing property of this masterpiece is that the bias itself seems to very minimally increase the noise compared to a virgin tape.

Sanyo TRC 2500

Latter addition (1810). After re listening to 1/4in tape running at 7.5ips, with real instruments recorded either from Ferrograph series 6 or Uher 4200 and seeing some relevant dreams Pleiades experiments with cassettes are abandoned. The recording medium to be use will be possibly BASF SM611 1/4in tape.

The Sanyo TRC-2500 analog recorder sounds 20x more live than a digital recorder?


It produces flat frequency responce from vocal chords of singer to listener's brain as there as roll offs.


There may not be HF boost EQ etc so no S problems.


Very simple and pure signal path.


Setup:


Piano and male singing voice - Sony F-96 microphone low Z at 1in - Sanyo TRC-2500 - Fuji DR60 cassette - Sanyo TRC-2500 (trough its tiny speaker), brilliant or Marantz PMD430 - Sennheiser HD580


It is not designed to play back low frequencies but records them brilliantly.


Reference:


Flat frequency responce from actor's, singer's vocal chords to listener's brain, Sound picture recording and reproducing characteristics - Morgan, Loye - Journal of the society of Motion Picture Engineeers

Improving. Noise Performance

If the noise performance of digital equipment can be improved with good quality preamps, imagine how much analog recorder noise performance can be improved.


Analog recorders can become more quiet.

If you worry your equipment may be stolen, you have bought the wrong equipment