Description
The Demeter TRM-1 Tremulator chases that lopsided, rounded-triangle wobble people associate with old Fender amps — but built to modern standards, with none of the hum and hiss that plagued the originals. Drop it early in your chain and it’ll pump amplitude in that unmistakably vintage way while staying dead quiet, giving you room to layer drive and modulation after it without the noise floor climbing.
Controls are kept simple and musical: Depth sets how hard the signal gets modulated, Speed dials in the LFO rate. A side-mounted trim pot lets you bias the optical tremolo cell itself, tightening or loosening the on/off ratio of the effect — it ships preset to Ry Cooder’s own preferred bias point, a nice reference to start from before you make it yours.
A couple of practical touches worth knowing for pedalboard planning:
- The circuit runs about 1dB of gain to properly drive the tremolation, so with Depth all the way down, the TRM-1 doubles as a clean, low-noise volume boost.
- Its low-impedance output works as a line driver, which helps preserve tone on longer cable runs to the amp.
- Front-mounted 1/4″ input and output jacks, with a battery-ground switch built into the input jack.
- Runs on 9V DC — internal 9V battery (needs at least 7V to function; access via four side screws) or external supply, mini plug, tip-positive, regulated, 100mA or more.
This listing is for a demo unit, fully functional and ready to hold down the tremolo slot on your board.
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