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Old 12th September 2012, 06:35 PM   #1
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Default Was a ladder dac soundcard ever made?

Hi, did anyone ever make a soundcard that used a ladder dac chip like the 1704?
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Old 12th September 2012, 07:40 PM   #2
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Old 13th September 2012, 03:56 AM   #3
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If you're talking about pure soundcards and not the card + break-out box combos, then I know of two:

1. CardD/CardD+ by Digital Audio Labs, ISA slot, for PC - AD1864.
2. SoundAccelerator II by Digidesign. NuBus slot, for Macintosh - AD1856 or PCM 56. NOS, without digital filter!!!

There might be some others, that I'm unaware of, but about these two I know for sure, 'cos I still have them.

There also were several card + break-out box combos by Digidesign for NuBus Macs (early ProTools and SounTools systems) that used either AD1856, AD1861 or even PCM63, but I don't know any system that had PCM1704s. Industry swithed to delta-sigma DACs in the early 90's due to cost reasons.
Hope that helps.
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Old 13th September 2012, 01:49 PM   #4
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Thanks guys!
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Old 13th September 2012, 01:55 PM   #5
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I have a supply of secondhand TDA1387 (multibit, but not ladder as far as I'm aware) which I understand came from Creative Soundblaster cards :

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