A compact, amp-style opto-tremolo, built as a smaller, smarter follow-up to the original Supa-Trem, controlled by Fulltone’s own custom optocoupler.
Key Features
- Amp-style opto-tremolo with true bypass and a “no-pop” switching circuit
- Tap tempo, plus external tap jack for a remote footswitch
- Half/Double speed feature, engaged by holding the tap switch
- Up to 15dB of boost available on top of the tremolo effect
- Three waveforms: Square, Sine, and a natural, heartbeat-like Warble
Amp-Style Tremolo, With Extra Tricks
A blue LED keeps flashing at your set tempo even while the pedal is bypassed, so you can match it back in without missing a beat. Holding the tap switch for around three-quarters of a second toggles the Half/Double speed feature, letting you instantly halve or double your tempo mid-performance. Turning the Mix knob all the way down turns the pedal into a clean boost on its own.
Controls
- Rate/Tap: sets tremolo speed, tap-tempo enabled
- Depth: sets the intensity of the tremolo
- Mix: balances tremolo effect against boost/clean signal — turned fully down, the pedal works as a standalone clean boost
- Waveform switch: selects between Square, Sine, and Warble
Power
9-18V DC centre-negative supply, drawing approximately 30mA. Top-mounted jacks. A CIOKS DC7 v2 or CIOKS SOL will both power it cleanly.
Who Is This For
Worth a look if you want genuine amp-style tremolo with real range, from slow and swampy to fast and choppy, plus a useful clean boost built in.
Watch It In Action
What does the Fulltone Supa-Trem Jr do?
It’s a compact, amp-style opto-tremolo with tap tempo, a Half/Double speed feature, up to 15dB of boost, and three selectable waveforms.
What power supply does the Supa-Trem Jr need?
A 9-18V DC centre-negative supply, drawing approximately 30mA. A CIOKS DC7 v2 or SOL will both power it cleanly.
Is the Supa-Trem Jr true bypass or buffered?
True bypass, with a ‘no-pop’ switching circuit.
What does the Half/Double feature do?
Hold the tap switch for around three-quarters of a second to instantly halve or double your current tempo, mid-performance.
Can the Supa-Trem Jr work as just a boost?
Yes, turning the Mix knob all the way down turns the pedal into a standalone clean boost, offering up to 15dB.
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