Full Description
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True bias-modulated tremolo circuit
The SurfyTrem Deluxe recreates the classic tremolo effect found in the vibrato channels of vintage American amplifiers. Instead of optical or digital tremolo designs, this pedal uses authentic bias modulation generated through matched JFET transistors. This approach closely mirrors the behaviour of classic valve amplifier circuits, producing a smooth, organic modulation that feels alive under the fingers. The result is a tremolo that breathes naturally with your playing, delivering the warm pulsation and musical movement that made vintage amplifier tremolo so beloved.
Brownface and Blackface tremolo modes
The pedal includes a click-less mode switch that allows players to choose between Brownface and Blackface-style tremolo voicings. These two modes recreate the distinct tremolo characters found in different generations of classic amplifiers, offering subtle tonal and modulation differences that players can match to their rig. From the rounder pulse of earlier circuits to the sharper, more defined modulation of later designs, the SurfyTrem Deluxe provides authentic vintage tremolo flavours at the flick of a switch.
Stereo tremolo capabilities
The SurfyTrem Deluxe offers flexible stereo functionality that expands its creative potential beyond traditional tremolo pedals. It can operate as two tremolo outputs sharing a single LFO, allowing the pedal to feed dual amplifiers or stereo signal chains. Alternatively, it can generate a stereo tremolo effect from a single mono input, adding width and spatial movement to your sound. This makes the pedal particularly useful for modern stereo rigs, recording setups, and players who want a wider modulation field.
Stage-ready control and reliability
Built with practical performance features, the SurfyTrem Deluxe integrates easily into modern pedalboards. A dedicated volume control allows players to adjust the output level when the tremolo effect is engaged, ensuring balanced levels during live performance. True bypass switching preserves the purity of your dry signal, while the soft-touch footswitch provides quiet and reliable operation. The pedal also features automatic polarity detection and accepts 9–12V DC power supplies, offering flexible compatibility with a wide range of pedalboard power systems.
Specifications
- Product Name: Surfy Industries SurfyTrem Deluxe Tremolo Pedal
- Product Code: SI-SUTRDX10
Effect Type
- Effect: Analogue Tremolo
- Circuit Design: Bias Modulation with Matched JFET Transistors
Controls & Modes
- Mode Switch: Brownface / Blackface Tremolo Voicing
- Volume Control: Output Level Adjustment
- Switching: Soft Touch Footswitch
- Bypass: True Bypass
Connectivity
- Stereo Operation: Yes
- Stereo Function: Dual Outputs Sharing Same LFO or Stereo From Mono Input
Power
- Supply Voltage: 9–12V DC
- Current Draw: 30mA
- Polarity Detection: Automatic Centre-Positive or Centre-Negative