Fulltone Supa-Trem

From the manufacturer: Fulltone Supa-Trem Model ST-1, the finest amp-style Tremolo pedal you can buy since 1996, just got a whole lot better... It's now also an INCREDIBLE sounding clean boost!For years people have been turning the ST-1's MIX knob down all the way, opening the pedal, and turning up its internal volume control to maximum, and using the Supa-Trem as a very subtle clean boost. Now I've put a low-profile VOLUME knob on the outside of the pedal, and increased its available gain to around 15dB... allowing the ST-1 to pull double duty as a stellar clean boost. One reason the Supa-Trem sounds so good is that it uses a wonderful Analog Devices JFET AD711JN at the heart of its circuit, giving you a warm yet clear tone when your pedal is turned on.The ST-1 also employs a custom-designed Fulltone Opto-1 photocell with an extremely fast recovery time which no other manufacturer can match. This makes it behave just like an old 1960's American tube-amp, but without the annoying ticki