what are the signs that indicate the electrostatic panels are starting to fail? Ofcourse im assuming the different es panels fail in the same manner.
Loss of high frequencies is the normal progression for an aging ESL, which is due to the diaphragm not able to hold the proper hv charge, ...
Loss of high frequencies is the normal progression for an aging ESL, which is due to the diaphragm not able to hold the proper hv charge, usually because of conductive grime causing hv leakage to ground or deterioration of the high conductivity coating. Let yours get REALLY dusty and you might hear it...
. You need to lay the speaker on its back and tap the mounting rails (is it upward or downward?) to release the rails from their clips. Poke around here and you'll run into some pics.
Longevity is much improved with the Gen2 (clear spars) panels.Fortunately, at least for me, the loss of high-frequencies (from aging/dusty panels) parallels the loss of my high-frequency hearing from aging, so I haven't noticed much difference with my 9 year old Summits!
A wash is a last resort. You need to lay the speaker on its back and tap the mounting rails (is it upward or downward?) to release the rails from their clips.
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