Question for the experts

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amarsh64
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Question for the experts

Unread post by amarsh64 » Sun Jul 08, 2018 3:39 pm

So I have this Yamaha hundred 412 that I bought a few years back .Great amp and I Am really happy with it. It came with a foot switch that is the same vintage but does not really seem to match the amp . Has anyone seen this switch before . Just a curiosity as to weather it is a match for the amp or a generic Yamaha switch of the day. Btw I could not seem to find it on the net .
IMG_0105.JPG
Mexican Strat , Fender twin Reverb , Yamaha RGX 312 , 7 PC Tama Imperial star drums , Alesis DM5 drums , Roland JV-80 , Roland JV-1010 , Roland VS-1680 , Gretsch G5700 Lap Steel , Peavey Bass guitar , Fender Rumble 75 , Yamaha MT120 , Roland R5 , Presonus Fire Studio 26x26 , Behringer UB2222FX-PRO Mixer , Boss GT-100 And never enough time to play with it all :-(
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Re: Question for the experts

Unread post by Buzzard » Sun Jul 08, 2018 4:42 pm

That's Yamahas vintage single latching switch pedal.

It came with some amps, and could also be ordered extra if you needed more.

Your 100-412 has 4 plugs on the back that can utilize that type of switch,
but ANY generic switch like it will work just fine.
$_126.jpg
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I have some of those switches in my collection too: viewtopic.php?p=44974#p44974
Yamaholic, Guitars, Amps and Bikes. :idea: My Guitars: http://www.yamahamusicians.com/forum/vi ... =24&t=7004 :idea:
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amarsh64
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Re: Question for the experts

Unread post by amarsh64 » Sun Jul 08, 2018 5:44 pm

Thanks for the info :-)
Mexican Strat , Fender twin Reverb , Yamaha RGX 312 , 7 PC Tama Imperial star drums , Alesis DM5 drums , Roland JV-80 , Roland JV-1010 , Roland VS-1680 , Gretsch G5700 Lap Steel , Peavey Bass guitar , Fender Rumble 75 , Yamaha MT120 , Roland R5 , Presonus Fire Studio 26x26 , Behringer UB2222FX-PRO Mixer , Boss GT-100 And never enough time to play with it all :-(
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Buzzard
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Yamaha amp foot switches.

Unread post by Buzzard » Mon Jul 09, 2018 9:52 am

I have looked a bit deeper into the Yamaha control pedals.

The one that you have with your 100-412 must be one of the earliest types.
$(KGrHqUOKjsE0ZekV7WMBN(Li6EQtw~~_12.jpg
$(KGrHqUOKjsE0ZekV7WMBN(Li6EQtw~~_12.jpg (35.45 KiB) Viewed 989 times
This type was according to catalogs/brochures delivered with the first Yamaha amps produced:
TA-25 and TA-50 launched in 1966: https://europe.yamaha.com/en/products/c ... hronology/

1966 was the year that Yamaha took off with the first electric guitars and amps. GREAT YEAR. ((i))

When I found and bought the huge Yamaha TA-120 used some years ago, it came with two pedals.
83458996_06062012170645_2887_3.jpg
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One for reverb and one for tremolo effect, one is light grey and the other black.
Without being 100% sure, I believe those pedals came with the amp when it was new.

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Later models, such as the Yamaha G-100-212 II came with a twin pedal for switching channel and reverb.
$(KGrHqZ,!ogFBvNMg+h6BQcIk8LO8!~~60_57.jpg
This twin pedal had two plugs.

The Yamaha RA models with rotary speakers used a twin metal cased pedal with a stereo plug.
!B05k5qgB2k~$(KGrHqMOKiME)Vmf0cgsBMcVv62Jn!~~_12.jpg
!B05k5qgB2k~$(KGrHqMOKiME)Vmf0cgsBMcVv62Jn!~~_12.jpg (26.64 KiB) Viewed 989 times
:idea: ALL the pedals above are simple switches with no electronics. :idea:

The FS-1 pedal is also without electronics, but probably used for later ampmodels and possibly keyboards.
$T2eC16dHJIYE9qUcO3l2BRmDi,RgMQ~~60_57.jpg
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Then came the G-50/100 III amps, with or without speakers, including the PG-1 guitar and PB-1 bass preamp.

Pedal for the G-50/100 III combos:
c.jpg
Pedal for the G-100 III head.
36073229_934.jpg
Pedal for the B-100 III head with TWIN parametric equalizer.
i1cd0iujqdu8uhftqevy.jpg
Pedal for the PG-1 guitar preamp.
Yamanha_pedal_fullfront.jpg


Next launch was the VR guitar amp models.
Pedal for the VR amp models: the VFC-3
1.jpg

All these amps used pedals with simple electronics and LED indicators:

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After that, the DG amps were launched using digital/midi controllerboards such as the MFC-10
yamaha-mfc10.jpg


Finally the THR-100 amps had a 3 or 5 switch included, depending on the model.

Pedal for THR-100H.
thr-100h.jpg
Pedal for THR-100HD.
thr-100hd.jpg
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Regards
Peter
Last edited by Buzzard on Tue Jul 10, 2018 2:05 pm, edited 2 times in total.
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amarsh64
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Re: Question for the experts

Unread post by amarsh64 » Mon Jul 09, 2018 11:04 pm

The guy I bought the hundred 412 from said his dad had bought the amp brand new and really had not had the time to play with it much. Apparently it spent most of its life in the closet. After his dad passed away he got the amp and rarely plugged it in. More closet time until I bought it. The pedal would have been bought new with the amp I would bet. Anyway, thanks for all the great info.
Mexican Strat , Fender twin Reverb , Yamaha RGX 312 , 7 PC Tama Imperial star drums , Alesis DM5 drums , Roland JV-80 , Roland JV-1010 , Roland VS-1680 , Gretsch G5700 Lap Steel , Peavey Bass guitar , Fender Rumble 75 , Yamaha MT120 , Roland R5 , Presonus Fire Studio 26x26 , Behringer UB2222FX-PRO Mixer , Boss GT-100 And never enough time to play with it all :-(
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Re: Question for the experts

Unread post by Saul » Tue Jul 10, 2018 7:54 am

Nice bit of amp history there Peter ((i))

I had never seen these foot switches before. Interesting choice of shape when most would have been simple square metal boxes at the the time.
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Re: Question for the experts

Unread post by SteveOnBass » Tue Nov 27, 2018 12:43 pm

Any idea what the pedals for the YTA series amps looked like? I was recently gifted this amazing rig (YTA-100A) and have had all kinds of fun trying to figure it out. It needs a little cosmetic TLC but other than that it sounds amazing! I'm guessing the chances of finding the original footswitches are somewhere between slim and none but I would also be more than happy to use a suitable aftermarket replacement if possible. I am also and electronics engineering tech so worst case if I had a schematic of even just the switches (although a full pre-amp schematric would be fantastic!) I could do a build project and would be happy to post pics of the build and finished product. I have attached pics of the amp as well as the switch inputs on the back of the pre-amp just in case that helps. Any info or suggestions would be greatly appreciated!
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Re: Question for the experts

Unread post by Saul » Tue Nov 27, 2018 12:57 pm

Welcome to yamahamusicians.com Steve and great first post, thanks for sharing the photos ((i)) That's a very nice bit of kit to be gifted :)

Like you said, these pedals are probably next to impossible to find but, they must be out there somewhere! I am sure Yamaha didn't just make a single pedal for every amp. There must have been spares at some point, the question is, where are they?

Let's hope someone comes up with a pedal or two :)
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Re: Question for the experts

Unread post by Buzzard » Tue Nov 27, 2018 5:08 pm

SteveOnBass wrote:
Tue Nov 27, 2018 12:43 pm
Any idea what the pedals for the YTA series amps looked like? I was recently gifted this amazing rig (YTA-100A) and have had all kinds of fun trying to figure it out. It needs a little cosmetic TLC but other than that it sounds amazing! I'm guessing the chances of finding the original footswitches are somewhere between slim and none but I would also be more than happy to use a suitable aftermarket replacement if possible. I am also and electronics engineering tech so worst case if I had a schematic of even just the switches (although a full pre-amp schematric would be fantastic!) I could do a build project and would be happy to post pics of the build and finished product. I have attached pics of the amp as well as the switch inputs on the back of the pre-amp just in case that helps. Any info or suggestions would be greatly appreciated!
Hi Steve, welcome to the forum and the string section. :D

I'm not sure which pedal type that came with YTA-100 or was extra equipment at the time,
but ANY generic on/off latching single switch will do the trick perfectly. (one for each function)

Regards
Peter
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