Description
The Demeter Tremulator started life as a personal favor: Ry Cooder wanted a stompbox that captured his favorite tube amp’s tremolo, so James Demeter reverse-engineered that circuit into a 9-volt solid-state pedal decades before boutique effects were a category. Cooder loved the result enough to hand copies to Pop Staples and Duane Eddy, and it was studio player Steve Carnelli who coined the name — ‘It’s not a tremolo, it’s a Tremulator’ — a tag that stuck to every Demeter pedal since. Guitar Player magazine later named the original one of the fifty coolest pedals ever made.
The Tremulator Plus is James Demeter’s return to that circuit after decades in production, keeping the all-analog optical design intact while adding every refinement he and longtime users asked for. The bias control now lives on the top panel rather than buried as a trim pot, letting you shape the on/off ratio of the optical cell on the fly — set the knob straight up for the famous Cooder setting.
A Clock Waveform control lets you reshape the pulse itself:
- Pure triangle wave for a smooth, rounded volume swell
- Flattened triangle (normal position) for smoother highs and lows with a firmer on/off pulse
- Square wave for a sharp, choppy cutoff
A dedicated gain stage lets you push the effect louder or pull it back, a blinking rate LED gives a visual read on speed, and true bypass keeps the circuit fully out of your signal path when off. Hand built in Templeton, CA.
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