ARP Instruments SOLUS Service Manual

Specifications and Main Features

  • Brand: ARP
  • Model: Solus
  • Type: Synthesizer
  • Keyboard: A comprehensive Keyboard Featuring 3 Vitamins
  • Weight: 22 lbs
  • Dimensions: Height: 6.5 inches, W25 inches, D16 inches

Sound Specifications:

  • Oscillators: 2 Voltage Controlled Oscillators Plus Phase Locking
  • Waveforms: Sawtooth and Pulse Width Modulation
  • Filter: Modulatible Four Pole Resonant Low Pass Filter
  • LFO: Vibrato, Tremolo, and Trills-generating
  • ADSR Envelope Generator: Attack time of 13ms- 1.3sec, Decay time of 10ms – 10sec, Peak sustain level of 0%- 100% Release time of 10ms to 10 sec.
  • Audio Outputs: 2 Pooled Parallel Outputs Sensitivity: 45 dB:

Customising Features

a. Voice Mutes - Allows the engineers to mute a voice if they choose.

b. Noise gate - Eliminates low-frequency echo sounds.

c. Vibrato - Alters the sounds by periodic changes in pitch.

d. Tremolo - Makes the sound soft, with periodic change in amplitude.

e. Control - Modifies the sound by changing the pitch of the input signals.

1. Master Tune: Tunes whole instrument.

2. Transpose: Moves up or Down the whole instrument by an octave.

3. PWM Source: Select either the ADSR or LFO sine wave to pulse width modulate.

4. VCO I Waveform Mix: Either sawtooth wave or pulse wave.

5. VCO II: Tune, transpose and waveform mix controls independently.

6. LFO: Affects vibrato, tremolo, and trills.

7. Trigger Switch: Enables single or multi triggering.

8. Portamento: Creates glissando effect.

9. Vibrato Depth: Determines effects of pitch modulation.

10. Pitch Bend: Modifies pitch for bending purposes.

11. Ring Modulator: For combining kau and platian sounds.

12. Voltage Controlled Amplifier.

13. All-in-one systems interface ports for ARP synths.

14. Filter effect pedal input for additional pedal control.

Frequently Asked Questions

Q. What type of keyboard is installed in the ARP Solus?

A: The implemented keyboard of the ARP Solus is a full three-octave range keyboard.

Q: How many oscillators does the Solus have?

A: Solus is equipped with two voltage controlled oscillators.

Q: What other types of waveforms can be generated by the oscillators?

A: As regards oscillators, they produce saw and pulse waveforms.

Q: Is it possible to transpose the entire the instrument?

A: Yes, it is possible to transpose it once or down by an octave.

Q: And in this case which is more practical trancebass, does the ADSR Envelope Generator perform some function?

A: The ADSR Envelope Generator defines the embouchure of the sound, ie the time depending on attack, decay, sustain and release.

Q. Is there pitch bending?

A: Yes, the pitch bend is present in Solus.

Q: What outputs are provided by Solus?

A: Solus has Lo-Fi and Hi-Fi audio outputs as well as external audio input ports.

Q: Are there modulation and effects in this instrument?

A: Yes, there is rotation modulation, four pole filter capable of vibrato and can be modulated.

Q: What is the weight of the Solus ARP Solus?

A: The ARP Solus weighs 10 Kg or approximately 22 lbs.

Q: Where can I find the audio output impedances specifications?

A: The high-level output has a specified 1 K ohm impedance, the low-level output is specified to have 8 K ohm impedance and the external audio input is specified to have 68 K ohm impedance.

User Manual

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ARP Instruments SOLUS Service Manual
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