Yamaha DX1 Synopsis

Contains the functionaly of 2 DX7's with an LED based interface

Voice architecture is 6 operator, 32 algorithm FM. Both poly and mono voice modes are provided.

eBay Description

Key Features

1. Aftertouch: routed to pitch and amplitude
2. Architecture Class: fm
3. Audio IO: headphones 2x3 outputs 2 channels, mix x2 (balanced/unbalanced)
4. Audio Source: sine waves
5. Communication Interface: MIDI In, Out Thru
6. Effects: None
7. EG: Pitch and 6 Operator EGs have 4 levels and 4 rates
8. Expansion: 2 cartridge slots
9. Filter: None
10. Form Factor: 73 wooden keys
11. Key Scaling: EG levels (linear, exponential, with breakpoint) and rates (linear)
12. LFO: Routed to all operator pitch and/or each operator amplitude (supports delay and key sync). Waveforms are down saw, up saw, random, square and triangle
13. Memory:
• Multi Memory: N/A
• Patch Memory: 2x32 user, 2x32 external
• PCM Memory: N/A
• Sample Memory: N/A
• Sequencer Memory: N/A
14. Multitimbral: 2
15. Pedal Inputs: None
16. Performance Control: portamento, glissando
17. Polyphony: 16 2x
18. Power: AC
19. Released: 1983
20. Sequencer: No
21. Signal Class: digital
22. Velocity: routed to operator level

Further Information

• FM synthesizer
• http://wikipedia.org/wiki/FM_synthesizer
• Digital synthesizer
• http://wikipedia.org/wiki/Digital_synthesizer
• Birth of FM:
• http://www.soundonsound.com/sos/aug01/articles/retrofmpt1.asp
• http://www.soundonsound.com/sos/sep01/articles/retrofmpt2.asp
• TX802:
• http://www.soundonsound.com/sos/1997_articles/jan97/yamahatx802.html
• Parts:
• http://syntaur.com/yamaha_dx.html

References

1. Owners manuals:
• http://www.yamaha.co.jp/manual/english/index.php

see Yamaha Gallery