• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Found this on ebay

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This is a good example of what not to do when restoring your amps, found this on ebay.....
 

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I sometimes buy failed tube amp projects from ebay, to recover the transformers and other parts. On the last "perfectly working" one, the main filter capacitor was secured under the chassis with Blu-Tack, and the bottom cover underneath was covered with duct tape (just in case).
 
I sometimes buy failed tube amp projects from ebay, to recover the transformers and other parts. On the last "perfectly working" one, the main filter capacitor was secured under the chassis with Blu-Tack, and the bottom cover underneath was covered with duct tape (just in case).

It's a good strategy, really.. so long as you can be reasonably sure that the thing didn't run long enough to damage any of the 'hard' parts, botched builds are a good source of shelf stock.

And even when buying "nice" equipment.. always remember that they ALL worked FINE the LAST TIME they were used. :D
 
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