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Peavey CS4080HZ Blown

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Pinyorouk View Drop Down
Young Croc
Young Croc


Joined: 31 January 2011
Status: Offline
Points: 508
Post Options Post Options   Thanks (0) Thanks(0)   Quote Pinyorouk Quote  Post ReplyReply Direct Link To This Post Posted: 03 December 2021 at 4:14pm
Originally posted by kedwardsleisure kedwardsleisure wrote:

I can't even remember doing the last one, but if it's a toss up between a possible fake or reject ebay transistor and cross referencing to a genuine 'equivalent' I would choose the latter each time.
The problem with dodgy rail switching devices is that they might fail mid-gig and you wouldn't know until the output section has cooked itself to death.

Thanks for your reply. 


Edited by Pinyorouk - 03 December 2021 at 11:58pm
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Pinyorouk View Drop Down
Young Croc
Young Croc


Joined: 31 January 2011
Status: Offline
Points: 508
Post Options Post Options   Thanks (0) Thanks(0)   Quote Pinyorouk Quote  Post ReplyReply Direct Link To This Post Posted: 03 December 2021 at 11:50pm
After some reading the type of IGBT's used are nothing special. What was throwing me off was the symbol. Will look at alternatives. 

Edited by Pinyorouk - 03 December 2021 at 11:59pm
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Pinyorouk View Drop Down
Young Croc
Young Croc


Joined: 31 January 2011
Status: Offline
Points: 508
Post Options Post Options   Thanks (0) Thanks(0)   Quote Pinyorouk Quote  Post ReplyReply Direct Link To This Post Posted: 21 December 2021 at 4:12pm
I managed to repair the amp. Sourced original IGBT's etc. 
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