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Kustom 300 PA head needs repair [message #26913] Fri, 24 August 2018 02:20 Go to next message
aselix68 is currently offline  aselix68
Messages: 1
Registered: August 2018
Junior Member
First post....

I picked up an old Kustom 300 PA head for $5, hey why not?. I haven't plugged it in yet, but I was told its not working. Assuming it just doesn't turn on, Is there anything I can quickly check? Fuse?

If that's not possible, are these known for specific types of failures, i.e, transformers? I don't mind having it fixed but not sure if its even worth the trouble. It looks totally old school, though...

I'm in the SF bay area, if anyone knows someone who could look at it.

Thanks
Re: Kustom 300 PA head needs repair [message #26914 is a reply to message #26913] Fri, 24 August 2018 05:56 Go to previous message
stevem is currently offline  stevem
Messages: 4272
Registered: June 2004
Location: NY
Senior Member
Well first off there's a lot of ways that it could not work, but for 5 bucks you got a really great deal!!

In these what we call metal face type amps the little lamps in both blue face plate switches go bad and if both of them are out then some people think that the amp is fully dead .

This is because they turn it on with no speaker hooked up so they hear no sound and see no lights come on!

These switches themselves crack internally and then you can't even turn the amp on if you wanted to.

If you slid the amp out of its cabinet and takethe lid off the chassis and find a blown fuse then the amp has a driver/ output stage problem and will need to be taken to a good tech who is familiar with solid state amp , not a modern day tube changer!

[Updated on: Fri, 24 August 2018 05:57]

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