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MIDI Retrofit Kit for:

Oberheim OB-8


PLEASE NOTE: Fitting a retrofit kit is a skilled job which should be undertaken only by a competent synth service engineer or fitted by us at our premises in South West London.

Note also that retrofit kits are always built to order after your payment has been processed. It then takes us up to 10 working days to build and test the kit before we can despatch it.

Oberheim OB-8

  • retrofit kit

  • This retrofit kit for the Oberheim OB-8 adds the following MIDI control:

    For incoming MIDI:
    Any MIDI channel can be selected
    Notes (MIDI note numbers 36 - 96) - transpose possible
    Program change (numbers 1 - 120)
    Pitchbend - (bends up and down one octave)
    Mod Wheel
    Filter cutoff frequency (of low pass filter)

    By default:
    pitchbend is controlled by pitchbend messages
    mod wheel is controlled by Mod Wheel (CC#1) and also by Aftertouch messages
    filter cutoff is controlled by CC#16
    Volume is controlled by MIDI volume (CC#7)
    Sustain is controlled by Sustain (CC#64)

    however, any controller or aftertouch or velocity can be mapped to control other things so for example velocity could be mapped to control volume.

    For outgoing MIDI:
    Any MIDI channel can be selected
    Notes (MIDI note numbers 36 - 96) - transpose possible
    Program changes 1 to 61 can be sent using a button press followed by a key press
    No other MIDI can be sent - the retrofit is primarily intended to allow the synth to be played from a MIDI master keyboard or sequencer.

    MIDI In, Out & Thru sockets
    Push button (for programming the MIDI setup)
    Setups are stored in non-volatile memory (Eeprom)

    The kit comprises the following items:
    Circuit board - fits in the base of the OB-8
    Small pack - contains DIN sockets and mounting hardware
    Large pack - contains cable assemblies
    User instructions - How to change from default settings and general instructions
    Fitting instructions - step by step fitting guide plus diagrams of where to connect what

    All kits are fully checked and tested before despatch

    Note: Our retrofit kits are not intended for installation by the end user. They should always be fitted by an experienced synth engineer.

Download the manual

To download the current manual click here

For earlier versions and other manuals click here


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More information

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Solving MIDI Clock Problems


How to connect using our MIDI to CV Converters

retrofit kit only      
ex VAT
inc VAT
  Oberheim OB-8
Kit Only - should be fitted by competent synth service engineer
retrofit kit fitted   Oberheim OB-8  
ex VAT
inc VAT
  Kit including fitting by expert engineers at our premises in London. Note however that delivery to and from Kenton is not included in these prices.  
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