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My ampeg svt 5 pro bassamp turns itself on and off several times until it warms up especially when its cold can you help please?

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  • paulpondscum Nov 20, 2008

    I have the same amp and it does exactly the same thing. Quite annoying. If anyone has a fix, PLEASE post it.


  • zetalounge Apr 03, 2009

    Same deal, Turning itself on and off until warm. Fine after five minutes.



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Hi Guys,

Have a look here for a debug of this issue: YouTube - Ampeg SVT-5 Pro Problem YouTube - Ampeg SVT-5 Pro Problem
I recon two fixes are possible:

1. (Easy) increase the size of the heatsink on IC4.

2. (Hard) adjust the turn-on temperature of the fan by adjusting the control circuit.

I'm going to try 1, I'll let you know how I get on. my ampeg svt 5 pro - icon_tup.gif


Posted on Feb 19, 2010


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