Apple II, Other

unknown Card

unknown Card

unknown Apple II Card

Apple II 3-voice synthesizer card - clone of the 1st gen ALF Apple Music Synthesizer

Apple II 3-voice synthesizer card - clone of the 1st gen ALF Apple Music Synthesizer

I believe it's a clone of the ALF 3-voice card, not using any "sound chip" of any kind,
but discrete logic chips including the 74LS624 (VCO), and some 4-bit latches.

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