Fulltone - Supa Trem

General documentation, gut shot, schematic links, ongoing circuit tracing, deep thoughts ... all about boutique stompboxes.
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freedreamer
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Post by freedreamer »

Here a gut for you.

https://img525.imageshack.us/img525/8049/002gf6.jpg

anyone knows something more?

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bajaman
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Post by bajaman »

As mentioned elsewhere - it is a copy of the Demeter tremulator, with a few mod switches added. Check out my Baja Trembulator in the Projects section for a smoother sine wave oscillator version
cheers
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sergedeep
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Post by sergedeep »

In all the gut pics I have seen from the Supa Trem, I never saw any zener diodes as in the Demeter. Can anyone confirm that they are not on the board, or are they just not shown on the pics?

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bajaman
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Post by bajaman »

The zeners are only there to limit the oscillator output level - I found them to be unnecessary as obviously Fuller has too.
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JVanDe7
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Post by JVanDe7 »

I just bought one of these. I noticed Mike used black marker to cover up the value of some of the caps...

I have a question about a possible mod-

This is a great tremolo, but the one thing it lacks is the waveshape knob like the BOSS TR-2. Actually it has somehting like that but it's an internal trimpot, and it only adjusts the "soft" mode.

Any reason why I can't mount an external pot and do it that way? It would help eliminate the only downfall of this pedal. Which is the fact that it only has a hard mode and a soft mode. No knob to adjust, other than the trimpot which only adjusts the soft mode. That really should be an external control IMO. The BOSS TR-2 has it right, but the BOSS suffers from noise and tone muffle (a little bit).
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