01
From the Community
From the community
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02
Audio Demos
03
Compatible Sound ROMs
04
Parts & Components
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05
Modifications
06
Owner Registry
Production figures for the P-140 were never widely published, so there’s no official record of how many were built — or how many survive. This registry is a community census: every owner who logs their unit makes it the closest thing there is to a real count.
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07
System Components
CONTENTS
01From the Community02Audio Demos03Compatible Sound ROMs04Parts & Components05Modifications06Owner Registry07System ComponentsManufacturer
Yamaha
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Specifications
- LFO
- 1
- Dates
- 1983to 1985
- Price
- JP¥1,950,000US$13,900
- Filter
- none
- Effects
- none
- Hardware
- 2x YM21280 (OPS) operator chip2x YM21290 (ES) envelope generator
- Keyboard
- DX-1: 73 withvelocity and polyphonic aftertouchDX-5: 76 withvelocity and channel aftertouch
- Polyphony
- 32 voices in single or split mode16 voices in dual mode
- Attenuator
- 6 envelope generators
- Oscillator
- 6 operators
- Timbrality
- MonotimbralBitimbral in split mode
- Manufacturer
- Yamaha
- Storagememory
- two sets of 4 banks of 8 voices (A and B channel, total 64), 8 banks of 8 performance combinations
- Synthesis type
- Digitalfrequency modulation
- External control
- MIDI
- Left-hand control
- pitch-bend and modulation wheels
- Velocity expression
- Yes
- Aftertouchexpression
- Yes