MATRIXSYNTH: Introducing the RH-1 DIY Analog Synthesizer

Thursday, February 18, 2021

Introducing the RH-1 DIY Analog Synthesizer


video by RH Electronics

RH-1 Synthesizer Sound Demo

video by RH Electronics

via https://rhelectronics.co.uk/new/products/

"The RH-1 is a digitally controlled (DCO) Synth based off the Juno 106 design. It will be available as a kit to build allowing the user flexibility of a desktop unit or rack mount unit.

It’s a mono synth with programmed ‘key rollover’ if a key is held down and another pressed it will change the pitch and re trigger the envelope.

Specification

Single Digitally Controlled Oscillator, Saw + Pulse (PWM Adjustable)
Single ADSR analog envelope (AS3310)
PWM and Filter envelope mod, adjustable
External inputs for Filter and PWM summer
0 to 5 volt analog CV
12 volt digital CV
AS3372 signal processor
Envelope re-trigger on second key press
Adjustable audio out ~650mV p-p
PIC16F18344 controller running with a 4MHz crystal oscillator
Power requirements are +/- 12 volts. A standard eurorack connector will be on the PCB

Disclaimer
This is a DIY kit, and is not being sold as a ‘product’ it is up to the end user to build and test. RH Electronics accepts no liability for any damage that may occur to the end product or any external device. It is the responsibility of the builder to provide a suitable power supply in line with the specification. All efforts have been made to stop interference with any other device, however being a kit it is not possible to test due to differences in build.
All boards and components that are suppled are RoHS certified and proof of this can be downloaded with the product files."

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