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✔ One-off professionally tested preloved item. Warranty included.

1980s Crumar Bit 01 Expander Rack Mounted Synthesiser

In fair condition with some cosmetic wear

Regular price $3,600.00 AUD
Regular price $4,000.00 AUD Sale price $3,600.00 AUD
Sale Sold out
Shipping calculated at checkout.
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Important Information

+ No accessories included (case, power supply etc).

The Crumar Bit 01 Expander Rack Synthesiser delivers a warm, vintage analogue tone that is a super-rare find. Perfect for synth enthusiasts who crave hands-on control and rich, characterful sound. A true collector’s piece from the golden era of 80s synthesis, this rack unit is ideal for musicians, producers, and vintage gear lovers seeking a historically significant, MIDI-capable Italian polysynth.

BRAND: Crumar

BARCODE/UPC:

Serial Number: EX00192

  • 6‑voice programmable polyphonic analog synthesizer in a 3U rack format; rack version of the Bit‑99 keyboard synth
  • Oscillators: Two digitally controlled analog DCOs per voice (triangle, sawtooth, pulse; noise available on DCO 1) 
  • Filters & Envelopes: 24 dB resonant low-pass VCF with dedicated VCF and VCA ADSR envelopes per voice 
  • Modulation: Dual LFOs per voice. Waveforms include triangle, ramp (up-saw), and square
  • Performances & Memory that stores up to 99 patches; 75 single patches, and 24 split/double performance presets 
  • Split/Layer Capability that offers Upper/Lower zones with separate audio outputs—great for layering or splitting sounds 
  • MIDI In (no MIDI Out) with support for all 16 channels, modulation, pitch bend, and patch changes
  • Optional parameter editing via front‑panel interface and cassette tape backup (no MIDI patch dumps) 
  • Released 1985–88, replacing the Bit‑One and preceding the Bit‑99 keyboard version; designed by Crumar, with Mario Maggi’s involvement in the design lineage

Shipping Info

Southside Guitars offers FREE standard Australia-wide shipping for orders over $199 and below 5kg. There is also an express option at the check out for most items. Guitars above $2,000 in value ship via courier for free Australia-wide.

Preloved items typically ship same day or within 72 hours.

Condition & Warranty

This preloved product has been carefully tested when purchased and again before it’s shipped to you, so you can shop with confidence. Each item comes with a 3-month electrical warranty and a 6-month structural warranty, excluding accidental damage, misuse or broken strings. Click here to view our full refund policy.