Yamaha YM2414
YM2414 waveforms
YM2414 Waveforms

The YM2414, a.k.a. OPZ, is an eight-channel sound chip developed by Yamaha. It was used in many mid-market phase/frequency modulation-based synthesizers, including Yamaha's TX81Z (the first product to feature the chip and was named after it), DX11, YS200 family, the Korg Z3 guitar synthesizer, and many other devices. A successor was released as the upgraded OPZII/YM2424, used only in the Yamaha V50.

The OPZ has the following features:

  • Eight concurrent FM synthesis channels
  • Four operators per channel
  • Eight selectable waveforms
  • Fixed-frequency mode, which can go much lower in the OPZII, enabling 0 Hz carriers or low rates for native chorusing
  • Dual low frequency oscillators

Products

The chip was used in the PortaTone PSR-80 and PSR-6300[1], the Yamaha TX81Z rack-mounted FM synthesizer, the Yamaha DX11, DSR1000 and 2000, YS100, YS200 and DS55 synthesizers, the TQ5 Tone Generator and the Yamaha EMT-1 half-rack FM Sound Expander module. It was also used in the Yamaha WT11 wind tone generator.

See also

References

  1. ↑ "EEVblog #256 – Yamaha PSR-80 Keyboard Teardown". EEVBlog. Retrieved 26 February 2014.
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