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Solus

ARP Solus

Solus
Solus

Released: 1978

MSRP: $790US

Synopsis:

Simplified dual oscillator monosynth Architecture Class: Conventional (subtractive).

Ebay Description:

The ARP Solus is a 37 key, monophonic analog synthesizer, featuring dual oscillators (with ring modulation and sync), resonant 24dB low pass filter, ADSR envelope, LFO, portamento, and CV/Gate/Trigger inputs/outputs.

Physical

Form Factor Dimensions Weight Audio Input Audio Output Communication Port Control Input Control Output Switch Input Power
37 keys H:6.5in W:25in D:16in 22lbs filter:6VAC low:300mVAC high:2VAC no CV:1V/oct Gate:1Vmin Trigger:2.8V (15ms min) pedal:VCO/VCF CV:1V/oct Gate:12V Trigger:12V (100ms) no AC

Interface

Compatibility Multitimbral Memory Program Memory External Storage External Programming UI Input UI Output
- N/A no no no buttons/sliders LED

Architecture

Multitimbral Polyphony Unison Architecture
no 1 no VCO1+VCO2/ring->VCF->VCA

Output

Effects Pan Modulator Volume Modulator Headphone
no no EG no

Control

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

Keyboard

Key Pressure Chord Memory External Control External Sustain Key Scaling Velocity Curves
no no CV gate trigger no 1 no

Source

Name Signal Class Waveform Octave Range Amplitude Modulator Harmonics Modulator Pitch Modulator Wave Assign Modulator
VCO1 analog pulse saw +-1 no PWM:EG PWM:LFO ring sync LFO:+-1oct portamento pitch-knob no
VCO2 analog pulse saw +3 -1 no PWM:EG(45%) PWM:LFO(25%) ring sync LFO:+-1oct EG:7.5oct portamento pitch-knob pedal no

Filter

Name Signal Class IC Resonant Shape Frequency Modulator Resonance Modulator Shape Modulator
VCF analog 4075? yes 24dB low pass 16Hz-16kHz EG:10oct key LFO:1.5oct no no

Envelope

Name Level Rate Loop Polarity Trigger Level Modulator Rate Modulator
EG sustain attack:1.3ms-1.3s decay:10ms-10s release:10ms-10s no VCF Key LFO no no

LFO

Name Waveform Delay Polarity Sync Delay Modulator Level Modulator Rate Modulator
LFO sine square:VCO2 no no no no no no
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