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TR-707 ROM Expansion Kit

£55.00 GBP

Adds eight sound banks to the TR-707 or TR-727. Original sound sets from both machines included, so the modified machine can work exactly as stock.

Bank is selected by holding down one of the first eight step buttons at startup. Fully reversible & invisible installation - doesn't require any holes drilled, track cuts, etc.

Kit includes pre-assembled expansion board (with pre-programmed flash ROM), chip socket and ribbon cable.

Installation instructions PDF