Mavis

Moog's Mavis, a build-it-yourself semi-modular analog synthesizer in 44 HP: a VCO with a variable saw-to-pulse wave, Moog's ladder filter, an ADSR envelope, an LFO, a one-octave keyboard, and a 24-point patchbay with a wave folder, a mixer, an attenuator, sample and hold and mults. Out of its case it is a Eurorack module.

Key features

• VCO over 8 octaves, VCO WAVE from saw to pulse, PULSE WIDTH, and the EG or LFO on its pitch and pulse width (VCO MOD MIX, PITCH MOD AMT, PWM AMT)
• 4-pole ladder VCF, CUTOFF and RESONANCE, the EG or LFO on its cutoff, either way (VCF MOD MIX, VCF MOD AMT)
• VCA set by the EG or held open (VCA MODE), VOLUME
• LFO from triangle to square; ADSR envelope; 13-key keyboard with KB SCALE and GLIDE
• Patchbay: wave folder (FOLD), two-channel mixer, attenuator, sample and hold, mults; 13 inputs and 11 outputs