£85.00 to £150.00 ex VAT
£102.00 to £180.00 inc VAT



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.

Retrofit Kit

This retrofit kit for the Yamaha YP-40 adds the following MIDI functionality:

The following messages can be sent – (MIDI out):
Any MIDI channel can be selected
Notes with velocity (MIDI note numbers 24 – 99) – transpose possible
Program changes 1 to 76 can be sent using a button press followed by a key press.
Sustain On/Off messages

MIDI Out socket
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 YP-40
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.

More Info

More Links

What is MIDI to CV?

Solving MIDI Clock Problems


How to connect using our MIDI to CV Converters