Home » VintageKustom.com » Repairing Kustom Amps » Kustom K 150-7 missing potentiometer (I need help trying to repair my late father's amp-treble potentiometer is missing)
Kustom K 150-7 missing potentiometer [message #27874] Mon, 05 October 2020 14:51 Go to next message
TamillaM is currently offline  TamillaM
Messages: 1
Registered: October 2020
Junior Member
I'm trying to repair my late father's Kustom 150-7 and the treble potentiometer is missing. I cannot find a schematic for it, and have hit dead ends trying to find a replacement part.
Any leads or info would be greatly appreciated!
Re: Kustom K 150-7 missing potentiometer [message #27881 is a reply to message #27874] Wed, 07 October 2020 07:12 Go to previous message
stevem is currently offline  stevem
Messages: 4728
Registered: June 2004
Location: NY
Senior Member
The schematic for the amp is on this site in the technical section. You can find it by model, or by circuit board number.

Both channels use the same 100K pot for the treble control.

You can get this new pot from Antique electronics part number R-VC-MA100K.

This pot will need to be hardwired back onto the circuit board since it is not a board mount type , but does have the right size mounting hole and shaft.

[Updated on: Wed, 07 October 2020 07:26]

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