Synth Museum

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Crumar T1


Released: 1978



"organizer" Ensemble with "polyphonic" (divided oscillator) organ and bass sections. Architecture Class: Conventional (subtractive).

Ebay Description:

The Crumar T1 is a 61 key, ensemble synthesizer, featuring polyphonic organ and bass sections, with dedicated outputs. The Bass section features a resonant low pass filter and decay control. The Organ section features 9 stops with percussion (includes decay control). LFO can be routed to pitch or volume.


Form Factor Dimensions Weight Audio Input Audio Output Communication Port Control Input Control Output Switch Input Power
61 keys ? 47.5lbs no Bass Main no volume pedal (7 pin) no no AC


Compatibility Multitimbral Memory Program Memory External Storage External Programming UI Input UI Output
- no Organ:3 no no buttons/knobs LED


Multitimbral Polyphony Unison Architecture
2 (split) full no DCO->VCF->VCA


Effects Pan Modulator Volume Modulator Headphone
no no EGs LFO pedal no


Arpeggiator Arpeggiator External Sequencer Sequencer Memory Sequencer External Continuous Program Change
no N/A no N/A N/A pitch paddle no


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


Name Signal Class Waveform Octave Range Amplitude Modulator Harmonics Modulator Pitch Modulator Wave Assign Modulator
Organ digital? ? 16' 5.33' 8' 4' 2.67' 2' 1.6' 1.33' 1' (mix) no no LFO no
Percussion digital? impulse? 16' 5.33' 8' 4' 2.67' 2' 1.6' 1.33' 1' (mix) no no no no
Bass digital saw? 4' 8' 16' no no LFO no


Name Signal Class IC Resonant Shape Frequency Modulator Resonance Modulator Shape Modulator
Bass analog opamp yes low pass no no no


Name Level Rate Loop Polarity Trigger Level Modulator Rate Modulator
BassEG - decay no no key no no
PercussionEG - decay no no key no no


Name Waveform Delay Polarity Sync Delay Modulator Level Modulator Rate Modulator
LFO triangle? no no no no no no
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