Resotron

analog filter synth

 

Download the Manual

$249

SKU#: RTF

prophetic synth tone

Resotron is an analog filter pedal that brings the sound of 70s keyboard synthesizers to the world of envelope pedals for guitar, bass and beyond. The filter at the heart of the Resotron is based on the SSM2040 chip found in the legendary Prophet 5 and Octave CAT synthesizers. This 24db/octave, state-variable filter provides the full gamut of familiar envelope filter sounds with Up and Down sweeping modes, as well as a Sensitivity control to dial in the response of the effect based on how hard you play. In addition to these vintage-correct filter tones, the Resotron incorporates an analog pitch-tracking system to move the cutoff frequency of the filter up and down. The pitch-following filter effect found in the Resotron moves around based on the notes you play instead of how hard you play. The attack time and rate of filter motion can be adjusted using the Glide knob to dial in how long it takes for the cutoff to travel between pitches.

Features
Features
Specs & Compare

Knob-by-Knob

Cutoff: Sets the cutoff frequency of the filter when you are not playing.
Peak: Sets the amount of Resonance “”Q”” of the filter
Sensitivity: Sets the dynamic response of the filter cutoff in ENV modes
Glide: Sets the attack time for the filter cutoff in Pitch mode
Blend: Sets the amount of optical compression that is blended in before the filter
HPF / BPF / LPF: Selects the filter type.
ENV UP / PITCH / ENV DOWN: Selects the filter motion.
Oscillate: Switches the filter into self oscillation for a pitch tracking synth in PITCH mode.

Drawing on Synth History

The pitch-following effect found in the Resotron is analogous to the “key-follow” function found on many classic analog keyboard. Using our all-analog pitch-tracking circuit to control cutoff frequency, the Resotron delivers mind-blowing filter motion for guitar players.

Resotron

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MODEL

Model Name
Resotron
SKU
RTF
Function
Pitch Tracking Envelope Filter
Category 1
Modulation
Category 2
Synth
Expression
TRS 10K or 0-5V CV

ELECTRONICS

Voltage
18VDC
Current Draw
100mA
Input Impedance
2.2M
Output Impedance
150ohms

BODY

Length (in)
4.5
Width (in)
1.5
Height (in)
2.5
Weight (lbs)
1

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