Commodore Sound Expander
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|Commodore Sound Expander|
|Producer:||Commodore/Music Sales Limited|
|Price:||125 US$; 99.99 £; 399 DM (ca. 200 €)|
The Commodore Sound Expander is a sound synthesizer cartridge for the Commodore 64. It was developed by Richard Watts. This cartridge was produced by Music Sales Limited in the UK and marketed by Commodore.
Software the amazing "Riff Machine" on tape or floppy disk.
A manual (user's guide) exists, but provides very little technical information. And also the audio lead book "Start Playing Keyboard - The SFX-Tutor" by Peter Lavender.
 Technical Details
Reverse engineered schematic (SVG)