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Sonicsmith ConVertor+ Owner's Manual

Audio controlled semi-modular analog synthesizer
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Audio Controlled
semi-modular
analog synthesizer
Owner's manual
www.sonicsmith.com

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Summary of Contents for Sonicsmith ConVertor+

  • Page 1 Audio Controlled semi-modular analog synthesizer Owner’s manual www.sonicsmith.com...
  • Page 2 Hello and thank you for purchasing a ConVertor+ synthesizer! The ConVertor+ is a semi-modular, audio controlled, analog synthesizer. This means that it’s fully equipped to play a small range of sounds using a mono audio signal alone, but has the power to become much more complex with other CV gear.
  • Page 3 Pitch tracking / The ACS* The ACO chip is powered from 4.5V and its inputs and outputs are scaled to 9V (to achieve 1V/oct pitch CV) inside the ACS (our term for any product containing an ACO). Using the ACO, the ConVertor+ provides the full blood stream of all modular synth essentials: Pitch, ENV, gate and trigger CV’s.
  • Page 4 The input section 9V DC input – Plug a standard 9V pedal PSU (plus outside) or insert a 9V battery. (Main) INPUT – Plug a TS instrument jack cable carrying either line, instrument or dynamic mic signal. Be sure to use a proper XLR to mono TS adapter jack.
  • Page 5 B - The ACO section PITCH CV out – A 1V/oct pitch CV out. 25Hz=0V, 6.4kHz=8V ENV CV out – An envelope CV output with a decay factor of 50ms. The ENV CV signal will always be affected by the ENV AMT knob. L:gate R:trig CV out –...

  • Page 6: Block Diagram

    Block diagram...
  • Page 8 C - The output section SYNTH – Line level output of the oscillator sound modulated by the VCA. The ENV AMT knob will not affect the VCA unless the default ENV to VCA routing is overridden by patching the ENV OUT to VCA IN with a cable. S.C THRU –...

  • Page 9: D - Troubleshooting

    D – Troubleshooting No Sound 1) Make sure you have input signal and the level meter shows it’s loud enough. 2) Make sure the output knob is not set too low 3) Make sure the side-chain switch is not engaged, and if it is then make sure you have a healthy signal into the S.
  • Page 10 Just intonation scale vs. equal tempered The HARMONY knob shifts the semitone of the ACO square and sawtooth audio outputs on a just intonation scale. Such tuning systems were used in history before the equal-tempered scale was adopted as a de facto standard. On the right column we can see the exact deviation between the two tuning methods in cents.
  • Page 11 Other Sonicsmith products (as updated on our website sonicsmith.com/products Analog VCO, LFO and dual VCA ● 1V/oct compatible ● LFO range from 0.2Hz up to 200Hz ● Sync inputs on both the VCO and the LFO ● VCA combines the LFO CV and AMT knob ●...
  • Page 12 The ConVertor+ Manual written by: Noam Lavi & Brian Kaczynski Sonicsmith B. Kaczynski, N. Lavi S.C.