Product Description
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Quadrature Sine wave VCO with four phase related outputs: 0°, 90°, 180°, 270°
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HIGH range from 10Hz to over 20kHz
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LOW range from 0.1Hz to over 500Hz
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Tracks volts per octave at the V/OCT input
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FM1 is selectable linear or exponential FM via jumper on back
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FM2 is additional exponential V/OCT jack
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With no input GRIND section provides voltage controlled harmonic content
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With input GRIND section compares each phase against GRIND IN signal
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Each slider subtracts the compared signal from the input signal, creating complex waveshapes
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When GRIND is fed into the SPIN section the outputs become a state variable filter
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DAMPING counteracts the oscillation and allows an external signal through
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When filtering the four phase related outputs are: LOW PASS, BAND PASS, HIGH PASS, and INVERTED BAND PASS
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When filtering the GRIND section is a nonlinear feedback network for harsh and unpredictable timbres
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The four phase feedback paths can be separately voltage controlled
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The INJECT jack can be used as a second input for either audio or CV, bypassing GRIND
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All analog OTA based design
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18 HP
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Power requirements :+12V 81mA, -12V 78mA