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The Delta VCF is back in Black panel version! It is the same circuit as all my previous versions have always been. The Delta VCF is a faithful adaptation of the analog Korg Delta synthesizer filter in Eurorack. The lowpass circuit was also found in the Poly-61. And uses 13XXX series OTA chips and dual transistor as on the original Delta. And with resonance it will not dilute your bass frequencies like some filters do.


  • Two filter slopes: original 4-pole, and 2-pole.
  • Two filter modes: lowpass or bandpass.
  • Illuminated Frequency and Resonance Bourns Slider pots.
  • Mix together two different input oscillators at the input jacks w/ a signal MIX . At full MIX pot setting CCW or CW, these inputs can overdrive the filter.
  • Modulate the filter cutoff with two different input control voltages w/ signal attenuation pots.
  • There are trim pots for adjusting frequency and resonance range. Some of you out there may want to give a little boost to the resonance trim pot. Doing so will make this thing scream and howl a little harder.

My modules are lovingly hand-crafted in the USA. Includes a 10-pin to 16-pin Eurorack ribbon connector.


  • Inputs - 2 Audio Inputs, 2 CV Inputs
  • Outputs - 1 Mono Output
  • Current - 23mA +12V, 20mA -12V,0mA +5V (not used)
  • Depth - 22mm
  • Width - 8HP, 40.5mm

“I'm loving this filter! It sounds gorgeous and is wonderfully constructed.” – Adam, NY

“I love it so much! Definitely one of my fav filters.” –Esar, GA

“Great sounding module, love it“ – Adam, Australia

“Great filter” – A.C., IA

“awesome” – Steve, CA

“BEAUTIFUL sounding filter. Great build quality. Will be recommending these filters.” -WB

ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more
  • Delta VCF Black
Made In
  • United States


Oklahoma City, OK, United States
Joined Reverb:2016

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