Quad 2905 ESL Arcing Sparks

Thanks Bdp24, I didn't know that MOFI now carried Quad Audio. Yes, these protection circuits are suppose to work and in the past it has but not this time.
There's a repairman near Cleveland who may be able to do the repairs. And if they were still in warranty I'd be OK but I bought these a while ago. The Quad manual tells me to contact the dealer I bought them from, so in that case I need to call Audio Classics.
It's hell having something like this occur over the 4th of July weekend.
Thanks again.

Thanks Ebm. I'm wondering what type of servicing this speaker may need and the standard costs that it will incur. The mistake was that the recording I was listening to was so bad that everything got turned up in order to hear it. In fact, the sound wasn't loud at all. The nature of this makes it really seem more like a surge ran through the speaker.

I agree Bgordonr and I've discovered that the panels are $500.00 each. I'm just hoping that it's one and not two or more. I'm still working on getting it up to the tech.

Bdp24, I was told that the new Quad panels have a protective coating over the circuit board thus making them less prone to destruction.

Bdp24, what are Quad voltage clamps?

That's interesting and I do know that even valve amps blew up ESL's on a regular basis. So this must have been Quad's reassuring answer to a farsighted concern.
The 2905's are supposed to shut down when they detect loud volumes but my amp has always shut down first. This time, an arc occurred for a different reason than loud volume but rather high gain between the amp and app transport. I couldn't hear a poor live Grateful Dead recording via Sirius XM and so I turned the amp up to 60 and the transport gain to 20 something and ouch!

It would be too much for me to part with my ASR Emitter II Exclusive version Blue amp. I'd probably choose a different pair of speakers if it came to that.
However, I need to be careful!