Crumar Bit01
Black Bit-01
Ivory Bit-01
Unique DBE
Released: 1985
MSRP: ?
Synopsis:
Rack Bit99 (distributed in the US as Unique DBE)
Architecture Class: Conventional (subtractive).
Ebay Description:
The Crumar Bit 01 is a 3U rack (velocity sensitive), 6 voice, bi-timbral digital/analog hybrid synthesizer, featuring dual oscillators, 24dB resonant low pass filter, dedicated VCF and VCA ADSR envelopes, dual LFOs, and MIDI.
Physical
| Form Factor |
Dimensions |
Weight |
Audio Input |
Audio Output |
Communication Port |
Control Input |
Control Output |
Switch Input |
Power |
| 3U rack |
? |
? |
no |
upper
lower
|
MIDI: IN THRU
tape |
no |
trigger |
sustain |
AC |
Interface
| Compatibility |
Multitimbral Memory |
Program Memory |
External Storage |
External Programming |
UI Input |
UI Output |
|
Bit01
Bit99 |
no |
63 |
tape |
MIDI SysEx |
parameter based |
LED displays |
Architecture
| Multitimbral |
Polyphony |
Unison |
Architecture |
| 2 |
6 |
no |
DCO1+DCO2->VCF->VCA |
Output
| Effects |
Pan Modulator |
Volume Modulator |
Headphone |
| none |
no |
EG2
LFO1
LFO2
velocity |
yes |
Control
| Arpeggiator |
Arpeggiator External |
Sequencer |
Sequencer Memory |
Sequencer External |
Continuous |
Program Change |
| no |
N/A |
no |
N/A |
N/A |
MIDI-CC1
MIDI-Pitch |
MIDI |
Keyboard
| Key Pressure |
Chord Memory |
External Control |
External Sustain |
Key Scaling |
Velocity Curves |
| no |
no |
MIDI |
pedal |
1 |
1 |
Source
| Name |
Signal Class |
Waveform |
Octave Range |
Amplitude Modulator |
Harmonics Modulator |
Pitch Modulator |
Wave Assign Modulator |
| DCO1 |
digital |
noise
pulse
saw
triangle
(individually
selected) |
4'
8'
16'
32'
|
no |
PWM:velocity |
LFO1
LFO2
MIDI-Pitch
Pitch-Wheel |
no |
| DCO2 |
digital |
pulse
saw
triangle
(individually
selected) |
4'
8'
16'
32'
|
no |
PWM:velocity |
LFO1
LFO2
MIDI-Pitch
Pitch-Wheel |
no |
Filter
| Name |
Signal Class |
IC |
Resonant |
Shape |
Frequency Modulator |
Resonance Modulator |
Shape Modulator |
| VCF |
analog |
CEM3328 |
yes |
24dB low pass |
EG2
key
LFO1
LFO2 |
no |
no |
Envelope
| Name |
Level |
Rate |
Loop |
Polarity |
Trigger |
Level Modulator |
Rate Modulator |
| EG1 |
sustain |
attack
decay
release |
no |
VCF |
key |
velocity |
velocity:attack |
| EG2 |
sustain |
attack
decay
release |
no |
no |
key |
no |
velocity:attack |
LFO
| Name |
Waveform |
Delay |
Polarity |
Sync |
Delay Modulator |
Level Modulator |
Rate Modulator |
| LFO1 |
up-saw
square
triangle |
yes |
no |
no |
no |
MIDI-CC1
Mod-Wheel |
velocity |
| LFO2 |
down-saw
square
triangle |
yes |
no |
no |
no |
MIDI-CC1
Mod-Wheel |
velocity |
