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Post subject: Princeton 112 plus foot switch
Posted: Thu Jul 03, 2008 8:45 am
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Finally, a Fender! I recently purchased a 1998 Princeton 112 Plus. It is missing the foot switch. I am trying to identify the proper switch. The manual says it came with a 2 button switch. I see switches for all kinds of Princeton"s but not a 112 Plus. Help.


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Posted: Fri Jul 04, 2008 9:33 pm
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I found the following information when I was looking for a footswitch for my Princeton 650 two years ago.

The footswitch made for your Princeton 112 plus is P/N 0028122000. You should be able to verify this in your manual. It has two buttons: channel select and Reverb on/off.

Do a search in some of the major on-line music stores for "Fender footswitches" (i.e. Musician's Friend, American Musical Supply, Music123, zZsounds, Sweetwater, etc.) Once the search result comes up, click on the picture of each of the two button switches to enlarge it, and look in the upper right hand corner of the footswitch where the P/N will be clearly stenciled. If the P/N matches, order it.

If you can't find a match, there are two options. First, go to your favorite local music store and ask them to contact Fender to see about availability of the footswitch P/N 0028122000. It should cost around $35 to $40 + S&H.
If unavailable, I believe that the footswitch that is for the Princeton 650 will work (P/N 0057664000). The difference is that rather than having the stencil on the faceplate (for button 2) say "Reverb", it will say "Effects" (Both say "Channel" for the first button). I am basing this claim of interchangeability on having looked at the schematic for both pedals. I must add the disclaimer that although I am sure enough that I would take the chance myself, I won't 100% guarantee this to you. Both these Princetons have been discontinued, but the 112 plus was first to go. Hopefully you can find one or the other.

Of course Ebay is another source where you may find a used one- just check P/N as all Fender 2 button switches are not interchangeable.

If all this fails, there may still be other Fender 2 button switches that interchange functionally but will not be properly stenciled. For example, I have a friend who has another variation of a Princeton. I can't recall which model. His footswitch interchanges with mine, but button 2 is labeled "Chorus". You could take a chance if you locate one of these and get an agreement to return it if it doesn't work for your amp, or do a product search on this website for its schematic and compare it.

Hope this helps some. Good luck, and out of curiosity, please post your results.

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Posted: Wed Jul 09, 2008 11:02 am
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Thanks Both,
Got a bid going on one now on eBay. The one I am using is a Crate which will switch channels only. But I cannot wait to get the real deal. I am assuming I will be able to use reverb on the clean channel.
Greg


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Posted: Wed Jul 09, 2008 12:05 pm
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Reverb is totally independent of which channel you are on. Use the footswitch to turn it on/off and if you switch channels, it stays either on or off depending on where it was on the previous channel.

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Posted: Wed Jul 09, 2008 8:38 pm
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I won, I won. Can't wait til my new pedal arrives. This will open up whole new worlds. I began playing acoustic in the mid 60's til I switched to bass in around 68. Then back to acoustic and solo around 75.
I have just taken back up playing in the last year after almost a 20 year hiatus. Brought out my 1976 Takamine <Guild Lawsuit model> then bought a Epiphone Dot reissue. Had a Beringer Acoustic amp, then a Kustom practice amp, (still playing solo) but then fell into a band SO I HAD to have new amp. The Princeton 112 plus fit the bill because it is loud enough and still has the headphone jack for around the house.
Thanks for the present and future info.
Greg


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Posted: Wed Jul 16, 2008 5:38 pm
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Ok, got the footswitch in. I also found a owners manual under support which matches my amp and the part number given. Got it on eBay. It does not work. The seller is ok so I'm not upset. He told me one thing I needed was a stereo cable which I just found one at a local music shop but still she no switch channels or reverb. Any ideas?
Greg


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Posted: Wed Jul 16, 2008 6:02 pm
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The info you were given about needing a stereo cable is not correct. It takes a speaker cable with two right angle 1/4" plugs on the ends (as issued new), but any standard guitar/instrument cable (mono)will work.

If both the amp and the footswitch have been sitting around a while not using this function, often the inside of the jack (either on the amp or the footswitch) may be slightly corroded. Use contact cleaner spray (can be gotten at any Radio Shack) and with the power off spray some in the hole of each jack. Use a Q-tip to 'wipe' the interior surface, then let it dry 15 min to 1/2 hr. Plug and try. If it still doesn't work, spray some contact cleaner on the male portion of the cable plugs and insert while twisting and pulling out several times.

If this doesn't fix it, the footswitch button contact points could be corroded and can be cleaned with the same cleaner if you can squirt some around the barrel (using the spray tube with the can) and let it run down inside. Don't overdo it; there is a pcb just under the buttons and you want to make sure things dry before applying power.

If it still doesn't work, I'd say there is something probably wrong electronically with the footswitch since you said earlier that another footswitch was changing channels for you.

Good luck and let us know.

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Posted: Wed Jul 16, 2008 6:32 pm
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I'll try cleaning the contacts tomorrow. Yeah, I spoke to one Fender dealer here who said he had sold a lot of these amps and did not remember anything about a stereo cord then spoke to another who another who knew about it. Confused? You bet.
Yes, the Crate switch at least changed the channel. Maybe I should try the rate switch with the stereo cable. Hmmmm?
Greg


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Posted: Wed Jul 16, 2008 8:15 pm
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No, the Crate switch will not work two functions in a Fender amp. The design of the amp switching is totally different. Fender uses voltage differences to select the functions which is why one pair of wires allows for two different switching functions. I don't think many (if at all) other amp mfgs use the design concept employed in Fender amps. The Fender Rep. told me it was done that way so that any standard guitar (or speaker) cable could be used (in case of an emergence while playing a gig/concert).

If cleaning doesn't work, I'd return it for a refund and search for another.

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Gibson Guitars


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