diyAudio (
-   Chip Amps (
-   -   Can you fry a gainclone ? (

Buhl 18th December 2006 07:12 PM

Can you fry a gainclone ?
Thats the question im asking my self - I had a 3875 along with some JBL control ones for a nice weekend in a summerhouse, where one of the first albums from an austrailian rock group heated up the case considerly. I noticed when one channel clearly was distorting audible. I turned it down, and it disserpered. When cranked up again short after, it was not long before it came again. Then a loud buzzing sound, and I flipped the switch. Now at home, I measure negative rail voltage (-26 volts) on the output - and the positive capacitor on the faulty channel does not decharge, when the power is shut off - as if the chip does not drain its positive rail - can it really be toasted ?
I thought it was protected from all sorts of overload ??

Cheers !

Nordic 18th December 2006 07:50 PM

No, its not a guaranteed failsafe.
Thermal management is literaly critical.
Also compare the two speakers on the good channel, you may have damaged one...

All times are GMT. The time now is 07:41 AM.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2015 DragonByte Technologies Ltd.
Copyright 1999-2015 diyAudio

Content Relevant URLs by vBSEO 3.3.2