I built a 18-bit Crystal AD/DAC soundcard! w/ 56k DSP in 1998! [DIY] HD

20 years ago, 1998 I built a whole sound card myself. Complete with a Motorola 56000 DSP ISA card, and an eternal 18-bit Crystal ADC DAC board! http://services.exactcode.de/amzn.cgi?index=electronics&keywords=hires http://services.exactcode.de/amzn.cgi?index=music&keywords=tori%20amos