Home Speaker Asylum

General speaker questions for audio and home theater.

Re: Quad ESL 57 pre check

That's right, no signal, but speakers plugged in, system on. You want to hear if the speaker is making a noise on its own. This would indicate an arced panel. (IE, a spark has leapt from one stator plate to the plate on the other side of the driver, piercing the membrane).

-M


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