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Kustom 50-2 Amplifer [message #28343] Fri, 08 October 2021 06:49 Go to next message
jammy5152 is currently offline  jammy5152
Messages: 62
Registered: May 2018
Location: Georgia
Member
Still looking and need a Push / Pull Potentiometer that controls the Vibrato - Tremelo on this amp....Kustom 50-2
The shaft has been broken on my amp....
Is there any other amplifiers that has this control on them?
Thanks for your help...

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Re: Kustom 50-2 Amplifer [message #28345 is a reply to message #28343] Fri, 08 October 2021 16:19 Go to previous messageGo to next message
stevem is currently offline  stevem
Messages: 4773
Registered: June 2004
Location: NY
Senior Member
No other Kustom amp uses a 500k pot like this with a push pull switch on its rear.

Antique electronics supply has part number r-vs-500ka pot with the needed switch on its back, but you will need to hard wire this switch into the board since it's not a circuit board Mount style .

Also this comes with a long shaft that you will have to hacksaw back to the length you need.
If you use this when you cut it be double sure no metal filings get into the pot, so tape it off.

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Re: Kustom 50-2 Amplifer [message #28347 is a reply to message #28343] Sat, 16 October 2021 20:26 Go to previous messageGo to next message
chicagobill
Messages: 2006
Registered: April 2003
Senior Member
Antique Electronics has a Peavey 50K pot that has the push pull switch (part number R-VPV-50KL-SW) that mounts just like the Kustom pots do.

You would have to take the original 300K pot apart and fit the resistance wafer into the new pots casing, but it would get you a working replacement.

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Re: Kustom 50-2 Amplifer [message #28352 is a reply to message #28345] Thu, 21 October 2021 07:01 Go to previous messageGo to next message
jammy5152 is currently offline  jammy5152
Messages: 62
Registered: May 2018
Location: Georgia
Member
I did find the switch and the shaft would be long enough and would wire into the board but this is a " sweep " switch from left to right with the center being in the " off " position , correct??

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Re: Kustom 50-2 Amplifer [message #28353 is a reply to message #28343] Thu, 21 October 2021 11:28 Go to previous messageGo to next message
stevem is currently offline  stevem
Messages: 4773
Registered: June 2004
Location: NY
Senior Member
Where did you find this pot/ switch and what's the part number?

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Re: Kustom 50-2 Amplifer [message #28354 is a reply to message #28343] Thu, 21 October 2021 11:42 Go to previous messageGo to next message
chicagobill
Messages: 2006
Registered: April 2003
Senior Member
If I read the schematic correctly, this is the speed control for the trem/vib circuit. Left (CCW) is slow and right (CW) is fast.

The pull switch selects between trem and vibrato.

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Re: Kustom 50-2 Amplifer [message #28553 is a reply to message #28354] Wed, 20 April 2022 08:58 Go to previous messageGo to next message
jammy5152 is currently offline  jammy5152
Messages: 62
Registered: May 2018
Location: Georgia
Member
Chicagobill
Correct on the 500 k pot....
I have gotten on from eBay that has the same makeup as the old pot EXCEPT it's a 1.5 k so I'll remove the shaft and fit it into my old one...
I'd like to add a picture here If I could
Thanks

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Re: Kustom 50-2 Amplifer [message #28555 is a reply to message #28343] Wed, 20 April 2022 18:52 Go to previous message
stevem is currently offline  stevem
Messages: 4773
Registered: June 2004
Location: NY
Senior Member
This site does not allow pictures .

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