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Composer

Crumar Composer

Composer
Composer (image courtesy of SoundDoctorin)

Released: 1982

MSRP: $1500US

Synopsis:

Similar to a Trilogy with an additional monosynth section. Architecture Class: Conventional (subtractive).

Ebay Description:

The Crumar Composer is a 49 key, ensemble synthesizer, featuring monophonic synth, polyphonic organ, string, and dual oscillator synth sections, with dedicated outputs. Synth section features a 7 monosynth presets, 3 polysynth presets, resonant low pass filter, and ADSR envelope. String section feature AR envelope. Organ section features 4 presets, leslie simulator, release control, and percussion.

Physical

Form Factor Dimensions Weight Audio Input Audio Output Communication Port Control Input Control Output Switch Input Power
49 keys ? 37lbs no mix Organ PolySynth SoloSynth Strings no Breath no sustain sync AC

Interface

Compatibility Multitimbral Memory Program Memory External Storage External Programming UI Input UI Output
- no Organ:4 PolySynth:3 SoloSynth:7 no no knobs/sliders LED

Architecture

Multitimbral Polyphony Unison Architecture
4 SoloSynth:split PolySynth:full SoloSynth:1 Organ:full Strings:full (paraphonic) no Organ:DCO->VCA MonoSynth:DCO->VCF->VCA PolySynth:DCO1+DCO2->VCF->VCA String:DCO->VCF->VCA

Output

Effects Pan Modulator Volume Modulator Headphone
organ:RSS (Rotary Sound System: BBD based Leslie simulator) no Breath Organ:OrganEG SoloSynth:SynthEG PolySynth:SynthEG String:StringEG no

Control

Arpeggiator Arpeggiator External Sequencer Sequencer Memory Sequencer External Continuous Program Change
no N/A no N/A N/A Breath Pitch-Wheel:SoloSynth Mod-Wheel:Organ/PolySynth/Strings no

Keyboard

Key Pressure Chord Memory External Control External Sustain Key Scaling Velocity Curves
no no no pedal no no

Source

Name Signal Class Waveform Octave Range Amplitude Modulator Harmonics Modulator Pitch Modulator Wave Assign Modulator
Organ digital ? - no no LFO? no
Percussion digital? impulse? 4' 2.67' (mix) no no HASH(0x36159c8) no
PolyOsc1 digital? saw square -1 no no LFO? no
PolyOsc2 digital? saw square -1 no no LFO? no
SoloSynth digital? pulse saw square triangle 4' 8' 16' 32' (mix) no no Pitch-Wheel portamento no
String digital saw 8' 16' (mix) no no LFO? no

Filter

Name Signal Class IC Resonant Shape Frequency Modulator Resonance Modulator Shape Modulator
Brass analog discrete yes low pass no no no
String analog opamp yes low pass no no no

Envelope

Name Level Rate Loop Polarity Trigger Level Modulator Rate Modulator
OrganEG - decay:percussion release:organ no no key no no
StringEG - attack release no no key no no
SynthEG sustain attack decay release no no key no no

LFO

Name Waveform Delay Polarity Sync Delay Modulator Level Modulator Rate Modulator
LFO triangle? no no no no Mod-Wheel no
Conventional Models
Orchestrator DS-1 DS-2 Performer T1 T2 T1-C CPB-1
CPB-2 Trilogy Stratus Composer Spirit Bit One Bit01 Bit99