Home » VintageKustom.com » Replacement Part Suggestions » Model 2-12G-2 Guitar 150 (Footswitch )
icon5.gif  Model 2-12G-2 Guitar 150 [message #17298] Thu, 19 July 2012 23:25 Go to next message
oren hudson is currently offline  oren hudson
Messages: 274
Registered: March 2008
Location: Gastonia, NC
Senior Member
I've had this original head and matching cab for several years and it's one of my favorite guitar and keyboard amps. Of course, it didn't come with the footswitch. I've always wanted to figure something out on this, but I'm pretty clueless as to what the footwitch even looks like. I've seen the round 1 button ones and multi-button ones. Looks like it plugs into a 4-pin female plug (with blue color insert) on the back. There's also a plug labeled "Output" and what appears to be ohm markings and a plug labeled "to tape record." I'd really love to know what the footwitch looks like and what it operates as well as what these other 2 plugs are and can be used for and eventually get all things going as intended. I've done a search with not much success - so - any info, refrences, forwards, pics etc. would be greatly appreciated. BTW - the serial # is 74127 which should put it in the July-Dec. 1971 time frame. Smile

[Updated on: Fri, 20 July 2012 00:20]

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Re: Model 2-12G-2 Guitar 150 [message #17299 is a reply to message #17298] Fri, 20 July 2012 11:20 Go to previous messageGo to next message
pleat is currently offline  pleat
Messages: 1452
Registered: June 2004
Location: Belding, Mi
Senior Member
Your amp being an early model uses the two button lighted footswitch. The switches turn on an off the reverb and vibrato effects. Pin 1 is ground, Pin 2 is the positive voltage for the light bulbs, Pin 3 is Trem/Vib and Pin 4 is the reverb. The jack labeled output is for the speaker cabinet, and the tape record out is to drive a tape recorder or slave amp. Later models, Kustom remove the 4 pin XLR jack and used a standard 1/4" stereo jack for the footswitch. Finding a lighted two buttom Kustom footswitch isn't an easy find. You could use any two button footswitch as long as you have the 4 pin XLR plug and wire it using pins, 1,3,4. Another option is to install a 1/4" stereo jack and use the black, green and white wire that connects to the XLR jack. Then you can use any two button footswitch.
pleat
Re: Model 2-12G-2 Guitar 150 [message #17300 is a reply to message #17298] Fri, 20 July 2012 12:54 Go to previous messageGo to next message
bertaire is currently offline  bertaire
Messages: 34
Registered: April 2012
Location: burbank california
Member
It appears I too have the same issue with a recent purchase of a k 150-2 . I took notes and the search continues. Anyone willing to build vintage Kustom footswitches please contact me. I will pay any reasonable price. I need a Boost/wah pedal for a K 250-4 and a footswitch for a k 150-2 and a footswitch for a studio series 2 valve head.
Re: Model 2-12G-2 Guitar 150 [message #17301 is a reply to message #17298] Fri, 20 July 2012 12:55 Go to previous messageGo to next message
bertaire is currently offline  bertaire
Messages: 34
Registered: April 2012
Location: burbank california
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Me again, it's ok to email me at bertaire@yahoo.com
Re: Model 2-12G-2 Guitar 150 [message #17302 is a reply to message #17301] Sat, 21 July 2012 11:07 Go to previous messageGo to next message
oren hudson is currently offline  oren hudson
Messages: 274
Registered: March 2008
Location: Gastonia, NC
Senior Member
Many thanks pleat. Can you link, post or direct me to a pic of one? I'm not even sure what that foot switch looks like. Thanks again for the info. Cool

[Updated on: Sat, 21 July 2012 11:07]

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Re: Model 2-12G-2 Guitar 150 [message #26507 is a reply to message #17302] Sun, 28 January 2018 14:19 Go to previous messageGo to next message
pinkjimiphoton is currently offline  pinkjimiphoton
Messages: 45
Registered: May 2015
Location: the dark side of the moon
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sorry to bump a zombie...

the plug you need is a 4 pin male DMX for these style kustoms.
i picked one up "broken" in beautiful blue sparkle for 150 shipped on the bay.
turns out "broken" means the reverb lock was engaged. Wink and the pilot lamps were blown..

#335's already ordered. but every function seems to work great on it, i plugged it in to a single 15/horn last nite just to try it and was shocked how well made this amp (1970) still sounds after nearly 5 decades.

THANKS FOR THE PINOUT INFO!!
when i get the DMX plugs in in a few days i'll start wiring up a footswitch for this and be sure i return to share.
rock on kustom kampers!
Re: Model 2-12G-2 Guitar 150 [message #26510 is a reply to message #26507] Mon, 29 January 2018 09:16 Go to previous messageGo to next message
pleat is currently offline  pleat
Messages: 1452
Registered: June 2004
Location: Belding, Mi
Senior Member
If your planning on making the foot switch, with the lights, you will also need one 1N3559A diode and two 330 ohm resistors with two single pole double throw switches. Making the foot switch without the lights, a simple single pole single throw switch is all you need.

If the 335 lights are for the power and polarity switches, be very careful, the switches are very brittle and break easy. There are some posts on this site regarding the switches.

pleat
Re: Model 2-12G-2 Guitar 150 [message #26525 is a reply to message #26510] Sat, 03 February 2018 14:58 Go to previous messageGo to next message
pinkjimiphoton is currently offline  pinkjimiphoton
Messages: 45
Registered: May 2015
Location: the dark side of the moon
Member
thanks for the advice, pleat
i already replaced both lamps, they were fairly easy to do luckily.
thanks for the advice re the footswitch lamps,
i think i'm gonna just use CLR's and a couple led's instead, i don't think i've ever seen one to make an exact
analog.
gonna use a 1590 b box, with a grommetted wire coming out of it to the 4 pin dmx plug (which is JUST slightly different than the original.. can be hard to remove!!) with a pair of 3pdt's and a couple led's. only using the 3pdt's cuz i buy 'em in bulk.
dpdt is fined for this.
gonna assume around 4.7k-ish resistor for each led. will report back with what i come up with.
if it works, i'm willinhg to help other forumites out and build them workalikes for a very nominal surcharge if they need help.
i gotta drill press and have been building stomps for years, so this should be cake.

i cannot wait to gig this thing. i'm leaving in 45 to pick up an almost mint black 2x15 tnr for it, with an extra pair of 15's. since i'll be using it for guitar, if it doesn't have the original speakers in it ... the spares he took out have huge square magnets so assume they are eminence... i'll replace 'em with a nice pair i got out of a 68 standel bass amp that sound great with guitar.

rock on, keep it pleated, and stay tuned!!
Re: Model 2-12G-2 Guitar 150 [message #26527 is a reply to message #17298] Sun, 04 February 2018 06:46 Go to previous message
stevem is currently offline  stevem
Messages: 4728
Registered: June 2004
Location: NY
Senior Member
Keep in mind that a 150 model wants a 8 ohm load to output its full 75 watts of clean power!
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