Crumar Spirit

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via this auction

"This is an extremely rare Crumar Spirit monosynth, one of the few surviving out of around 200 ever made.

# Multiple waveshapes on the VCOs
# Oscillator synch
# Wide Span & Deep Bass on VCO 2
# Two resonant filters, 12/24dB - Lowpass and overdrive/band/highpass
# Two full 4-stage envelopes
# Two LFOs (LFOs can be used for unpredictable effects)
# Random Sample and Hold output from LFO
# Sample and Hold can be fed by noise, VCO, or other source
# Manual and Auto Glide
# Last Note triggering, single or multiple keyboard triggering
# Arpeggiator with single, octave, and double octave patterns.
# VCA bypass
# Two Modulation wheels, pitch bend wheel
# Rear panel with audio in through filter, CV/Gate In, VCO2 Voltage in
# Ring Mod / White Noise"