Schlappi Engineeing Angle Grinder - Quadrature Sine Wave VCO / State Variable Filter

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$310
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Three Wave Music
Hawthorne, NJ, United States
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About This Listing

Quadrature sine wave VCO with four phase related outputs: 0°, 90°, 180°, 270°
HIGH range from 10Hz to over 20kHz
LOW range from 0.1Hz to over 500Hz
Tracks volts per octave at the V/OCT input
FM1 is selectable linear or exponential FM via jumper on back
FM2 is additional exponential V/OCT jack
With no input GRIND section provides voltage controlled harmonic content
With input GRIND section compares each phase against GRIND IN signal
Each slider subtracts the compared signal from the input signal, creating complex waveshapes
When GRIND is fed into the SPIN section the outputs become a state variable filter
DAMPING counteracts the oscillation and allows an external signal through
When filtering the four phase related outputs are: LOW PASS, BAND PASS, HIGH PASS, and INVERTED BAND PASS
When filtering the GRIND section is a nonlinear feedback network for harsh and unpredictable timbres
The four phase feedback paths can be separately voltage controlled
The INJECT jack can be used as a second input for either audio or CV, bypassing GRIND
All analog OTA based design

  • 81 mA +12V
  • 78 mA -12V
  • 0 mA 5V

Product Specs

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

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4,289