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Casio RZ-1 Expansion

This modification to the wonderful Casio RZ-1 adds sixteen sound banks of drum hits to the RZ-1 factory presets.

The mod kit has three circuit boards. One board expands the sound library from the original stick RZ-1 hits to sixteen sets of vintage drum hits tuned to work with the RZ-1. The second board contains three sets of firmware i.e stock, 1.96u and 2.0u. Links on the boas allow you to pick your favourite. The third board has the bank selection switch and MIDI activity LED. The boards come with a cable to hook them up and all parts needed to complete the job. It only takes an hour or so and is quite easy to do.

The sound ROMS uses flash memory and can be reprogrammed. As a result you can customize the sounds to your own needs. To do this requires a flash programmer such as the TL866 and the generations of files for the hits. Not to worry, it’s all explained in the instructions.

Casio RZ-1 with Sound band expansion mod fitted
The new ROM PCBs. The firmware gets upgraded to 2.0u too.

So how do you use it? Easy! To change banks it just a matter of turning the knob, or you can send MIDI command.

The mod kit is available in the store .

MIDI files and instructions here.

mp3 of a repeating sequence using all sounds here