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in search of GBX GD1 preamp and 4123GS guitar amp schematics

Started by rayz1, August 14, 2020, 10:08:37 AM

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rayz1

These components ended up in my hands. Looking to install into a gutted Fender XFL 1000 cab and repower. There is a slight hum that I would like to resolve. May be power supply caps in the preamp, but need information to troubleshoot. Any help finding information on these would be appreciated.

g1


rayz1

Thank you very much. I will let everyone know how this works out

rayz1

I just got myself back into this project. Closer look at the schematics reveal that the GD2 version is not identified in the title block for the guitar driver. Before I get to far I am asking for any information on this. Is there another schematic or is this a omission?

Thanks

g1


rayz1

Sorry, my mistake. I have the GD2 guitar preamp.

g1


rayz1