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Roland RS-101 Strings

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Description
The Roland RS-101 is a polyphonic string synthesizer released in 1975. It was Roland's first product of this type of instrument. It is a divide down oscillator based string and brass synthesizer with 3 presets and controls for manipulating the sounds.

The 3 presets are created using sawtooth wave oscillators, which used a frequency divider in a similar manner to an electronic organ to provide full polyphony across a five-octave keyboard. The signal was then fed through an envelope shaper. The front panel has two separate controls for the top and bottom of the keyboard, which could have independent sounds. Each note could be assigned a separate envelope articulation, which was necessary to avoid re-triggering the attack if an extra note was added to an existing chord being played. To achieve a more realistic sound of an ensemble of string players, the output was fed through a chorus effect using a number of delay lines triggered by low frequency oscillators.

The Rs-202 was followed up by the RS-202 the following year which was more or less an updated version of the RS-101.
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Technical Specifications
Type: Analog
Synthesis: Divide Down
Oscillators
Oscillators: 2
Waveforms: Saw Down, Saw Up
Osc Modulation: Envelope, Fader, Knob
Envelopes
Envelopes: 1
Evelope Paramerters: Attack, Sustain
Filters
Filters: 1
Polyphony & Tuning
Polyphony: 61
Tuning: Standard
Modes: Polyphonic
Patches
Patches RAM: 1
Patches ROM: 3
Effects
Vibrato, Chorus
Case
Case: Keyboard
Case Details: built in case and cover
Keyboard: 61 keys, Wood
Controls: Knobs, Sliders, Switches
Connections
Audio Output Connections: 1/4" Phone Jack, Mono Out
Audio Output Count: 2
Audio Output Notes: Low/High
Production
Year Released: 1975
Pricing
Used Price: $280-$499 - convert
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