Sierra sound effects system card for apple II

1 post / 0 new
robbo007's picture
Offline
Last seen: 4 years 3 months ago
Joined: Dec 14 2011 - 06:39
Sierra sound effects system card for apple II

Hiya all,
Does anyone have any information about these cards? I saw an ad in an old Apple magazine. Can't find iinfo on Internet about them.
Cheers,
Rob