Notes: The JMT VDR-1 is a synthesis-based percussion box made for pulsing noise that morphs from jarring bursts to highly tuned drum sounds. The VDR-1 gives the user a flexible drum voice in a small package with CV control of both the filter and the oscillator. Coupled with a capable LFO the VDR-1 is a great drum voice solution, with a no-frills aesthetic perfect for any synthesist from Monolake to Merzbow.
VDR-1 Features
VCO can morph between triangle and swatooth waveform
LFO for modulation of the VCO and VCF
Internal MIC for triggering of VCF and VCO
CV in for modulation of both VCO and VCF
This is a synth drum with a built-in self-oscillating VCF.
It is equipped with a wideband oscillator and has a strong SWEEP effect.
You can create various tones by tapping on the body or with an external trigger (sequencer or piezo).
The oscillator has a thicker sound from highs to lows, and the waveform can be selected as TRIANGLE or SAWTOOTH.
SWEEP is set to be applied very strongly, so adjust it in conjunction with CUT OFF COARSE.
SUSUTAIN Setting of the decay time from the onset of sound
SENSITIVITY TRIGGER (When the plug is inserted into the trigger, the internal trigger of the unit is turned off) is to adjust the input sensitivity of the SENSITIVITY TRIGGER.
LFO.F controls the amount of LFO applied to the filter and LFO.
LFO.O controls the amount of LFO applied to the oscillator.
FINE is a finer pitch control for the oscillator than COARSE.
The RESONANCE oscillates at maximum and the pitch can be changed with the CUT OFF knob.
It can be powered by either a center minus 9V DC or 9V battery.
SYNTH DRUM
self-oscillate VCF with CUT OFF and RESONANCE
VCO triangle - sawtooth waveform
LFO.F LFO level for VCF
LFO.O LFO level for VCO
CV IN.F cvin for VCF
CV IN.O cvin for VCO
SENS. sensitivity for trigger to synth-drum
SWEEP
SUSTAIN
FORM waveform of LFO
RATE rate of LFO
NOISE level to VCO
Runs on DC9V negative center or a 9V battery.
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