RH 1 Synthesizer boards are ready

video by RH Electronics

"Information here, documentation and schematic
https://rhelectronics.co.uk/new/rh-1-...​"

"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"

Sequential Pro 3 SE (with cover)

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Teenage Engineering OP-1 Keyboard Synthesizer w/ Original Box

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Make Noise Strega Desktop Synth And Complex Delay Unit SN 608

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Korg Electribe ER-1 Rhythm Synthesizer SN 011140

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video by Lee Klawans

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Oberheim Matrix 1000 SN 0084083

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Control Synthesis Deep Bass Nine (DB9) SN 2159 w/ Original Box

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"bought new in 1995. Based around the sound of the Roland TB-303 it very much has it’s own sonic fingerprint and is a true analog MIDI controlled mono synth with CV and Gate in and out plus an audio in allowing you to filter external sounds through it’s excellent 24db voltage controlled resonant filter.

It has five functions:

1. A MIDI controlled bass synthesizer.
2. An analogue controlled bass synthesizer.
3. A MIDI to CV converter.
4. A MIDI controlled filter gate.
5. An analogue controlled filter gate."

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VAI 50 : Elka Wilgamat III / Elka Solist 505

video by Vintage Audio Institute Italia

"The Elka Wilgamat III is an analog auto-accompaniment machine from 1982 It has four sections:
An analog Drum machine
A Bass sections
A piano / brass chord section
And an arpeggiator

Apart from the auto rhythm to each section, you can play the bass and piano/brass sounds just like a synth, no modulation capabilities.
The Elka Solist 505 is a monophonic preset synthesizer from 1976 with a unique / quirky timbre, great filter on this one. And a great look :)"

ROLAND PROMARS (1979)

video by Synthesizer Home

Best Ambient Synth Shootout #109​: Casio CZ-1 - Song 3

video by Christian's Sonic Spaces

"This is the third song with the CZ-1. It's a 16 voice Phase Distortion synthesizer from the mid 80s. The only Casio Synth from the CZ series that featured velocity and aftertouch sensitivity.

I used for the recording the following FX chain: CZ-1 - Digitech Obscura - Pigtronix Echolution 2 Deluxe - GFI System Specular Reverb 2. Depending on the recorded track some FX are deactivated

The signal went through a Presonus StudioLive 16.0.2 into the PC via USB for recording. To create the complete song I recorded consecutively several stereo tracks. The final song was then mastered with a bit EQ and compression on some tracks and some limiting on the master track."

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