Sunday, July 12, 2020

Making electron tube microphone preamplifiers in bed


At your risk.
Take all safety precautions.
A suitable fuse should always be connected in series with a battery holder for fire hazard safety.


Why not?


Currently a Pleiades V6 1H4 electron tube microphone battery powered pre preamplifier prototype is being made. A white plastic Legrand box is used as well as modular cyan color Finder octal bases for the input, output transformer, 1H4 electron tube etc. suitable fuse should be used in series with any battery holder for safety.


Here are a few of the advantages especially if the bed is very comfortable for example on a Tempur mattress.


One may immediately fall asleep for a few hours. Meaning one had been really tired and should not have been making electron tube preamplifiers anyway. After sleep, tirelessness prevents mistakes and increases quality.


One is very relaxed, movements are slower, detail is better, quality goes up.


Tools can't be dirty as the white sheets will immediately get too. So absolute cleaningness is instantly demanded. Cleaningness is very important for high impedance low level signal amplification work.


And there are many critical things that end up being done in bed which otherwise would be left undone. For example metriculus cleaning of the Neutrik XLRs contacts etc with methylated spirit and cotton buds.


Electrical or power tools are out. Holes are drilled with hand powered ways or tools. So quality hoes up and slow flowing time magnifies attention to detail or preventing a mistake early. Even the ability to correct a mistake before it gets happening. Of course fillings are left to fall by gravity to a container on the floor away from the white cotton sheets. Bed and sheets should be thoroughly cleaned or washed after work is done anyway.


So some critical mechanical and perhaps time delaing or borings tasks can be done in bed at total relaxation, at a high standard of quality and then other bits that can't or shouldn't be done in bed can take place elsewhere.












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