MATRIXSYNTH: Doepfer R2M - Ribbon Controller and Control Unit SN 270043

Monday, January 10, 2022

Doepfer R2M - Ribbon Controller and Control Unit SN 270043

via this auction

"R2Ms are discontinued and rare. Includes a manual but not a power supply (any generic 9VDC 250MA center pos PS will work)

Includes connecting cable (note this looks like a male to male USB cable but the instructions are VERY clear to NOT plug this into a USB adapter)

Key feature is that the ribbon and control unit send MIDI and CV out for location and pressure.

The ribbon controller can cover 1 octave, 2,3,4 or 5 octaves
It can store and retrieve 16 presets
It offers 16 different quantizations\ settings to different scales
It has a Trautonium mode allowing pitchbend around 1 starting note and sliding pitch up or down up to the pitch bend range of you MIDI device
It has an arpegiator spanning one or several octaves

R2M is a ribbon controller that generates control signals by moving a finger on the game manual . The data are output simultaneously as midi signals and as CV / gate control voltages. The R2M is thus able to control midi equipment as well as CV / gate-based devices (e.g. analog synthesizers or analog module systems). R2M stands for R ibbon to ( 2 ) MIDI.

This is used electronics, tested and non returnable. Only warranty is that it won't arrive DOA. Will ship tracked and insured.

R2M consists of two parts: the ribbon bar and the control unit .

Ribbon bar is a 50 cm long position sensor and a pressure sensor underneath. The control unit converts the data supplied by the manual (position of the finger and pressure) into appropriate midi commands or CV / gate voltages.

Here are the most important features of the R2M :
Very precise and sensitive position sensor (length 50 cm) that is activated by simply placing your finger on it
sensitive pressure sensor under the position sensor
Solid metal frame (interlaced double-U profile), painted silver-gray
Several M3 internal threads on all sides (e.g. for fixing to a surface, combined assembly of several manuals, attachment of a shoulder strap, etc.)
Dimensions: approx. 600 L x 30 W x 18 H (dimensions in mm)
Connection to the control unit via 4-pin cable (identical to USB, but no USB function!)
Connection cable
precise and sensitive position sensor (length 50 cm) that responds even to light finger touch
sensitive pressure sensor located below the position sensor
measures: about 600 length x 30 width x 18 height (measures in mm)
connection to the control box via 4-pin cable (same as used for USB connections but no USB function)"

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