Saturday, May 25, 2019

Neodymium small speakers


So far great sound including nice bass, treble and midrange has been achieved with the linoleum Pleiades Auratone 5C type speakers with Tesal TVM ARX-130-20/4 drive units.
Frequency response is plus or minus 3dB from 100Hz to 14KHz. See previous posts.


While looking for small neodymium drive units these are some of the search results:


https://m.youtube.com/watch?v=H-WMOtNG-k4#fauxfullscreen


https://www.aliexpress.com/item/2PCS-New-Neodymium-Magnet-8ohm-10W-Full-Range-Audio-Speaker-Loudspeaker/32751696993.html


https://m.youtube.com/watch?v=H-WMOtNG-k4


https://m.youtube.com/watch?v=OQ8Q0-KBPcQ


https://m.youtube.com/watch?v=kn1fHTIpkwk


An inexpensive example seen on eBay shows great impedance variation with respect to frequency
https://www.ebay.com/itm/2pcs-57mm-8Ohm-8-10W-Haut-parleur-audio-Haut-parleur-carre-Neodymium-BA/273588148839?hash=item3fb31fda67:g:ABkAAOSwOuRZsPrv






How would linoleum Pleiades baby triangle pyramids sound like with such drivers driven by just one 2N3055 Pleiades 2N3055 power amp?


The pyramid should vibrate as a whole creating great bass at small excusions thereby reducing the Doppler effect.


For the Doppler effect on speakers see James Moir papers.



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