This is an authorized product manual for the Yamaha TX81Z FM Tone Generator, describing its features and characteristics.
This manual introduces the Yamaha TX81Z, an 8‑note polyphonic FM tone generator that can act as up to eight independent instruments. It covers basic operation, voice selection, performance memory setup, and advanced features such as micro‑tuning and effects.
Detailed sections describe connections, MIDI setup, voice editing, performance memory programming, utility functions, and FCC compliance information. The guide provides step‑by‑step instructions for simple playing, editing voices, and using the built‑in effects.
| Polyphony | 8‑note |
|---|---|
| Voice banks | 5 banks of 32 voices |
| Factory preset voices | 128 ROM |
| User‑programmable voice memories | 32 |
| User‑programmable performance memories | 24 |
| Microtonal scales | 13 (2 user‑programmable, 11 preset) |
| LFOs | Two independent LFOs and a Vibrato Generator |
| Waveforms | 8 different waveforms |
It can produce up to eight different voices at the same time.
The TX81Z contains five banks of 32 voices each.
The TX81Z can receive on any MIDI channel or omni mode, matching the transmit channel of the connected keyboard.
It is certified as a Class B computing device under FCC Part 15 Subpart J.