Electrostatic speakers

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Hello Chaps

I have just finished my 3 year long project of building a pair of electrostatic loudspeakers. After dragging in a few engineers and a lifetime of favours I'm very happy with the result and we are going to try and sell them if we get good reviews from critics that come and listen.

If you have any questions please let me know - Im not here to sell just to give back.
 

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HV bias voltage?

And did you not dull that punch machine pretty fast on the FR2?
Who did all the countersinking on the holes??

Did you measure them? Frequency response?
What is the impedance curve?
Sensitivity?

Look very nice! :D

_-_-bear
Thanks bear - the punch is a beautiful piece of kit many engineers said it couldn't be done and it nearly wasn't -can't say to much on that. The countersinking is done by an etching process. Measuring was done with a scope and a mike - old school engineering. The frequency response if from just over 30 cycles to over 20kc.
 
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