MATRIXSYNTH: Roland RS-09 vintage analog organ string synth


Saturday, July 21, 2018

Roland RS-09 vintage analog organ string synth

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via this auction

Cat pillow.

"Vintage Roland string machine from the 70's. It features a string and organ voice with divide down oscillators that excel at chorusing polyphony.

Volume, tone (low pass filter), vibrato controls, and octave transpose all function perfectly.

"Drawbars" control the 4 tone characteristics of the organ sound and there is a dual octave/tone switch next to the drawbars, along with Roland's famous ensemble chorus mode on a switchable push button.
The strings section is more aggressive when solo'd but still very pleasing mixed into the organ sound! It features two octave/tone buttons, it's own ensemble chorus, and a slider for slow or fast attack of the envelope.

Beyond that, an envelope section with release mode via flip switch and ensemble mode via flip switch. Both switches only work in 1 of the 2 positions. This is due to the age of the unit itself. The replacement switches are still available on Ebay as New Old Stock (nos) toggle flip switches. The unit functions flawlessly besides these two position switches only having 1 available setting. This is a quick repair for anybody handy with a screw driver and a soldering iron.

Finally a tuning control is on the final potentiometer.
The colored buttons need to be pressed on the bottom of their finger indent, not above them. It confused me at first because i was pressing the LED Intead of the giant ergonomic button... I never owned a Jupiter synthesizer but this is supposedly the organ and strings section from that legendary synth, so lots of history in this unit's circuitry. This is the warmest organ sound I've heard from solid state electronics, and certainly one of the most musical.

Cosmetically it's an 8.5/10 due to slight front right corner housing damage and very subtle and tiny discoloration on a few of the black keys. Probably will wash off, just didn't have it in me to use a cleaner on a vintage synth. It is evidenced in the photos. Neither affect the sound and are unoticable while in use or on stage.

Back panel has audio input for chorus use in Low, Medium, and High volume, sustain input, gate output, organ raw sig output, headphone output and stereo/mono output also with a selectable Low, Medium, and High output.

Only reason I am selling is my gf keeps complaining that I cant keep storing synths in the apartment... I see vintage synths as an investment. They keep going up in value and always bring immense joy to their user, but happy wife happy life, blah blah, so on the bay it goes!"

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