MOTM-390 Micro LFO

By Richard on March 21, 2008

Quantity: 2Modifications: None The MOTM-390 is a small, dual LFO. The first LFO uses a panel control, while the second is 1V/Oct voltage-controlled with FM. Individual LEDs follow the triangle … Read More

MOTM-320R VC LFO

By Richard on March 21, 2008

Quantity: 2 From the Synthtech website: You can buy Tellun DB-800 boards at SynthCube. MOTM-320r back side with DB-800 PCB

MOTM-310 Micro VCO

By Richard on March 21, 2008

Quantity: 0 Modifications: none From the Synthtech website: Using the same core circuitry as the MOTM-300 UltraVCO, the MOTM-310 retains its superior stability and sonic characteristics in half of the … Read More

MOTM-480 3u Dual Filters

By Richard on March 16, 2008

The MOTM-480 CS-80 Resonant Filter consists of two identical state-variable Voltage Controlled Filters. Each filter circuit features: 1V/Octave frequency control input FM input with reversible attenuator VC resonance input High … Read More

CGS VCO

By Richard on March 16, 2008

I decided to build a VCO using Ken Stone’s CGS 48 PC board. My version is minimal; it omits the additional waveshapers that are on the board. I was interested … Read More

Mixer-Comparator DIY Module

By Richard on March 16, 2008

UPDATED FOR 2006 This 1U-wide MOTM-format utility module combines a two-input mixer with an inverter and a comparator to create a versatile signal processor. I’ll describe the circuits first, and … Read More