Home » VintageKustom.com » Replacement Part Suggestions » K250-2 Reverb Tone pot question
K250-2 Reverb Tone pot question [message #17320] Thu, 26 July 2012 07:47 Go to next message
spiderbaby75 is currently offline  spiderbaby75
Messages: 3
Registered: July 2012
Location: Kentucky
Junior Member
Hello everyone!!
Does anybody know the value of the tone pot on the reverb section of a Kustom 250-2 amp? At this point, I am looking to replace the pot with something other than the original, as I am figuring out it is really hard to get these things and the original pot gives the numbers:133-0022 137-7105, which I have no idea what they mean. Also, I am wondering if it is possible to tell the year my amp was made by looking at the serial #. The number reads 73962. Any help would be greatly appreciated. Rock on!!!!
Re: K250-2 Reverb Tone pot question [message #17322 is a reply to message #17320] Thu, 26 July 2012 12:15 Go to previous messageGo to next message
chicagobill
Messages: 2005
Registered: April 2003
Senior Member
Welcome to the place!
The reverb intensity and tone pots are the same. The Kustom part number is 133-0022 and the value is 10K. The schematic does not specify any resistance taper.

The second number on the pot 137-7105 is the EIA code. The first part 137 is the number for CTS the manufacturer. The second part is the date when the pot was made, which is the 5th week of 1971.

So your amp was made sometime after February of 1971. There is a serial number-date list here that seems to come and go. Try searching for it.

If you can't find a replacement pot, I have a few used ones around here.

Again, welcome.
Re: K250-2 Reverb Tone pot question [message #17326 is a reply to message #17322] Fri, 27 July 2012 08:37 Go to previous message
spiderbaby75 is currently offline  spiderbaby75
Messages: 3
Registered: July 2012
Location: Kentucky
Junior Member
Thank you for the welcome, ChicagoBill!
The info you provided is exactly what I was looking for. I have been trying to find a replacement pot for my amp for about a week through the web and even considered buying a junk Kustom head on ebay (which is still active) just to get the original pot put back in mine, as I had no idea what the value of the pot was that I needed. I would love to keep the amp as original as possible so I would gladly be interested in buying a pot through you. I will send a private message for more details. Thanks again! I can't wait to get my amp in top form again.

[Updated on: Fri, 27 July 2012 08:57]

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