SDSV drum voice
SDSV based universal drum voice in euro format. This unit allows for bass, snare, tom and metallic type sounds creation (also space / noisy / u-boot style). Filter break jacks makes possible to use amazing SSM2044 filter as a separate unit. Additional filtered noise output.
Prototype demo:
Topology:
- 4x EG,
- 3x VCA,
- 1x VCO - triangle and filtered triangle outputs,
- 1x LFO - triangle core,
- 1x noise generator,
- 1x VCF - SSM2044 based.
Controls:
- decay,
- VCO tone,
- VCO sweep,
- LFO -> VCO modulation depth,
- noise tone - filter cutoff,
- noise sweep,
- LFO -> cutoff modulation depth,
- filter resonance,
- noise / VCO balance,
- drum / click balance,
- output level,
- rimshot modulation on/off,
- VCO output filter on/off,
- noise sweep range.
I/O:
- trigger in,
- filter in,
- filter out / noise out,
- drum out,
- trigger LED.
PCB is designed for some more modifications, not shown in demos:
- LFO speed,
- LFO speed CV,
- VCF cutoff CV,
- passive output filter for hi-hat sounds,
- VCO modulation source - EG1 or EG2.
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