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This is a vintage Yamaha DX-7 FM synthesizer with SuperMax+ expansion installed, new internal battery, original ROM cartridge w/ famous presets such as E.piano and brass horns, original ICs, and manual. The original owner installed the expansion on their own but the original chipset will ship with the synth.
The SuperMax+ expansion adds a lot of great features to a classic synth. Here is a brief explanation of the SuperMax+ expansion:
- Memory expansion to 512 voices (16 banks of 32) & great new functions
- 32 "Factory" sounds utilizing new SuperMAX features
- 16 note x 1 voice normal polyphonic mode
- 3 powerful Stack modes (8x2 or 4x4 or 5x3) with detuning, chords, octaves, etc.
- Multi-mode Arpeggiator - the most sophisticated ever
- Custom "Sound Creator" voice function
- 3 independently assignable MIDI keyboard zones
- On-board delays to 9.7 seconds, with 15 variable repeats
- User defined chromatic and fine tuning
- Compatible with standard RAM and ROM cartridges