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paws's latest activity
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Ppaws replied to the thread Pro Audio Spectrum 16 PatchPanel - Schematic Development for Reproduction.Here is some information on the custom chips: http://www.dosdays.co.uk/topics/retro_review_pas16_pt1.php
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Ppaws replied to the thread Pro Audio Spectrum 16 PatchPanel - Schematic Development for Reproduction.The optocoupler is used for the MIDI input.
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Ppaws replied to the thread Pro Audio Spectrum 16 PatchPanel - Schematic Development for Reproduction.Have you tried following the traces backwards from the jacks? It'll go through at least some passives, maybe the opamps. Either it goes...
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Ppaws replied to the thread Pro Audio Spectrum 16 PatchPanel - Schematic Development for Reproduction.I'm counting 5 quad op amps (LF347) in the half of the board closest to the output, so I strongly doubt it's sending all-digital signals...
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Ppaws replied to the thread Pro Audio Spectrum 16 PatchPanel - Schematic Development for Reproduction.Can the computer tell if the box is connected or not? I'd put a scope on it to see what the computer is sending to the box. The MIDI...
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Ppaws replied to the thread Reducing noise in a 7100 - thoughts?.I put a Noctua in the PSU in mine and found it did make quite a bit of difference. I also replaced the CPU fan, but I don't remember...