Yamaha CS70m Kenton Midi retrofit group buy

Finally a way to realize the potential of the mighty CS70m!

You now have the opportunity to get a Yamaha CS70m Midi retrofit by Kenton Electronics UK. It will be a redesign of the Kenton kit that was discontinued due to parts availability quite some years ago.

Scroll down to the end of the document to read the specifications.

This is a group buy, which means that we need at least 10 prepaid orders to start the production. Production and distribution will be approx 8 weeks.


349 UK pounds + VAT which needs to be paid in advance to Analog Sweden. If we don’t reach 10 prepaid orders by the 1st of  November 2009, your money will be promptly returned.  Shipping cost not included.

Ordering & Questions

Use the contact form here

November 1, 2009

The kits are not intended for installation by the end user. They should always be fitted by an experienced synth engineer. The kits are built and tested before dispatch. DIY-kit NOT available. Analog Sweden can do the installation.

We at Analog Sweden have had a few enquiries about CS70m retrofits, so we got in touch with Kenton to investigate the possibilites for a new production run. Kenton wanted to have a group order to start the production, and here we go.
Analog Sweden is a studio and repair workshop in Helsingborg, Sweden. You can see what we do at

If in doubt, you can verify our claims if you get in touch with Kenton.


This retrofit kit for the Yamaha CS-70M adds the following MIDI control:

For incoming MIDI:

Any MIDI channel can be selected

Notes on MIDI note numbers normally 36 – 96 but transpose possible

Program change numbers 1 – 32
where 1 – 16 = upper + manual, 17 – 32 = lower + manual

Pitchbend -

Mod Wheel -

Filter cutoff frequency (of low pass filter)




This kit is to receive MIDI only, no MIDI can be sent, however a Thru
socket is included.

MIDI In, & 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 -
Small pack – contains DIN sockets and mounting hardware
Large pack – contains cable assemblies
User instructions – How to change from default settings and general
Fitting instructions – step by step fitting guide plus diagrams of where
to connect what.

All kits are fully checked and tested before despatch.

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

Errors & Omissions excepted


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08 2009

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