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K250 1 [message #24618] Sun, 07 February 2016 12:45 Go to next message
kipkustom is currently offline  kipkustom
Messages: 1
Registered: February 2016
Location: Cincinnati
Junior Member

Howdy. I have just purchased a early 70's Kustom K250-1 amp with the inverted 1-18-B speaker box. This thing kicks a**. I am looking for direction in locating a power switch. Right now it has to be plugged and unplugged.


rkhart

[Updated on: Sun, 07 February 2016 12:46]

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Re: K250 1 [message #24620 is a reply to message #24618] Sun, 07 February 2016 13:39 Go to previous messageGo to next message
carlc is currently offline  carlc
Messages: 143
Registered: July 2006
Location: Summerville, SC
Senior Member
Original switches sare no longer available. stevem has figured a replacement.
Re: K250 1 [message #24621 is a reply to message #24618] Sun, 07 February 2016 13:55 Go to previous messageGo to next message
chicagobill
Messages: 2005
Registered: April 2003
Senior Member
Welcome to the place!

You are facing the biggest problem of owning a metalfront Kustom amp, dead switches. The switch that you need hasn't been made since the 1970s and any new ones have long been sourced and used to replace dead ones.

If the switch is only broken where the threaded mounting sleeve connects to the switch body, then you can make the switch operational again by using two nylon cable ties to secure the switch body to the metal mounting bracket. At least that way the switch will still look original and work like it should.

If somebody has already gone in and either removed the old switch or damaged it beyond repair, then you might find a used one on eBay or there was a replacement that some guys here had found, but it was very expensive and didn't look like the original ones.

The two front panel switches (polarity and power) are exactly the same, so if the polarity switch is still good, you could swap them and at the same time replace the power cord for a three wire one.

Tell us what shape your switch is in and we can help you try and fix it or replace it.
Re: K250 1 [message #24622 is a reply to message #24618] Sun, 07 February 2016 16:26 Go to previous messageGo to next message
Iowa Boy is currently offline  Iowa Boy
Messages: 767
Registered: June 2014
Senior Member
I know that some on here will cringe but........since these switches are made of plastic and very frail, I just add an on/off switch on the back next to the power cord. This way since the switches in my amps still work and light up, I am not doing further damage to them. The blue lights really do have an nice effect and eventually they will fail from being turned off and on especially since I am using my amp daily. I look at it as preventive medicine.
Re: K250 1 [message #24623 is a reply to message #24618] Mon, 08 February 2016 12:33 Go to previous messageGo to next message
chicagobill
Messages: 2005
Registered: April 2003
Senior Member
I don't cringe, it's your amp and you can do whatever you want to do with it. If it's done nicely then it's all good. I hate seeing any amp get hacked up by an idiot.

If the amp's power switch is set so that it is always on, it can be plugged into a power strip with a switch, and then that switch will turn on and off the amp.

As for the lights in the original switches, they can be replaced when they burn out.
Re: K250 1 [message #24624 is a reply to message #24623] Tue, 09 February 2016 01:14 Go to previous messageGo to next message
Iowa Boy is currently offline  Iowa Boy
Messages: 767
Registered: June 2014
Senior Member
Well even though people are claiming that the people of Iowa might be idiots when it comes to voting.......I like to think I am one of the more smarter one's. Pretty easy to drill one simple hole in the back and put in a toggle switch. Bending down to plug or unplug my amp all the time considering I use my amp several times a day, would soon be old hat. Having a switch within reach is just a good safety feature and easy to replace in the event it should ever fail......not so on the original switches, those are a pain to get to too even replace the bulb.
Re: K250 1 [message #24625 is a reply to message #24618] Tue, 09 February 2016 01:42 Go to previous message
chicagobill
Messages: 2005
Registered: April 2003
Senior Member
You can change the bulbs from the front of the amp if you use a piece of rubber hose.

I'm sure that you can do a nice job of drilling holes, but some of things that I've seen would make you cringe.
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