U-20

Roland U-20

Released: 1989

MSRP: $1695US

Synopsis:

Swaps two PCM card slots for full ADSR envelope, LFO waveforms, rhythm part, arpeggiator, and more memory (PCM and patch). Architecture Class: Rompler.

Ebay Description:

The Roland U-20 is a 61 key (aftertouch and velocity sensitive), 30 voice (7 part multimbral), digital synthesizer, featuring 1-6 oscillators (128 samples) per patch (128 patches), ADSR envelope, LFO (triangle, sine, square, saw-up/down, random with attack and polarity), reverb/chorus, 2 PCM card slots, arpeggiator, 6 individual outputs, and MIDI.

Physical

Form Factor	Dimensions	Weight	Audio Input	Audio Output	Communication Port	Control Input	Control Output	Switch Input	Power
61 keys	W:985mm(38.75in) D:310mm(12.1875in) H:85mm(3.25in)	10kg(22lbs)	no	stereo:2	MIDI IN/OUT/THRU	MIDI pedal	MIDI	sustain programmable	20W AC

Interface

Compatibility	Multitimbral Memory	Program Memory	External Storage	External Programming	UI Input	UI Output
CM-32P D-70 U-20 U-110 U-220	performance:64 card:same	patches:128 card:same	MIDI-SysEx Program-card:M-256E PCM-card:SN-U110	MIDI-SysEx	menu based	LCD display

Architecture

Multitimbral	Polyphony	Unison	Architecture
6 + rhythm	30	no	PCM->DCA

Output

Effects	Pan Modulator	Volume Modulator	Headphone
reverb chorus	MIDI-CC10	aftertouch MIDI-CC7 ENV velocity	yes

Control

Arpeggiator	Arpeggiator External	Sequencer	Sequencer Memory	Sequencer External	Continuous	Program Change
up and/or down or random	no	no	N/A	N/A	bend-lever mod-lever MIDI-CC1 MIDI-CC1-5 MIDI-CC6 MIDI-CC7 MIDI-CC10 MIDI-CC7-31 MIDI-CC38 MIDI-CC64-95 MIDI-CC100 MIDI-CC101	MIDI

Keyboard

Key Pressure	Chord Memory	External Control	External Sustain	Key Scaling	Velocity Curves
channel polyphonic	yes	MIDI-SysEx	MIDI pedal	no	1

Sample

Stereo	Sample Depth	Sample Rate	Sample RAM	Sample ROM	Sample Points	Sample Trigger	Sample Loop	Sample Edit
no	16bit	?	no	?	N/A	N/A	N/A	no

Source

Name	Signal Class	Waveform	Octave Range	Amplitude Modulator	Harmonics Modulator	Pitch Modulator	Wave Assign Modulator
Sample	digital	sample:128	-	no	no	auto-bend aftertouch LFO MIDI-PitchBend bend-lever	no

Envelope

Name	Level	Rate	Loop	Polarity	Trigger	Level Modulator	Rate Modulator
ENV	sustain	attack decay release	no	no	no	no	no

LFO

Name	Waveform	Delay	Polarity	Sync	Delay Modulator	Level Modulator	Rate Modulator
LFO	triangle sine square:offset saw:up saw:down random	attack	yes	no	no	aftertouch MIDI-CC1 mod-lever	no

Rompler Models

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