Add 24 bit/192mhz DAC to CD6 - diyAudio
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Old 19th June 2012, 12:53 AM   #1
bsmith is offline bsmith  United States
diyAudio Member
Join Date: Feb 2010
Angry Add 24 bit/192mhz DAC to CD6

I have a nice DAC (same as on the Lampizator website), and wanted to use it to bypass the DAC on my Cambridge Audio CD6. Searched the web, but could not find a schematic for the CD6.

Does anyone have a schematic for this unit? My electrical skills are very limited. So a sub-optimal quasi self-contained install that would not require a schematic would be acceptable.

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Old 19th June 2012, 02:24 AM   #2
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Join Date: Feb 2009
All you need to do is connect a 75ohm digital cable from your CD6's SPDIF output to the input of your DAC! The SPDIF output bypasses the cd player's internal dac. Why are you looking for a more complicated way of doing things? Remember, you will not get playback at 24bit/192kHz as your resolution is limited to what the transport in your CD player is capable extracting which is likely to be only 16bit/44.1kHz.
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Old 19th June 2012, 03:47 AM   #3
bsmith is offline bsmith  United States
diyAudio Member
Join Date: Feb 2010
Thank your for your observation. Maybe I was making it a bit more complicated than necessary. And I certainly didn't make it clear what was wanting to do! I was thinking along the lines of installing the DAC board using power from the CD6, using a 6N6P tube for the output for the "Lampucera" as given in the following website:
Since I have so little experience with DIY, maybe I should simply use the SPDIF output (make a 75 ohm cable with BNC connector on one end, an RCA at the other), power it with 12 volt battery, as see what happens. If that works, then maybe "Lampizate" my CD6 at a later date.

Thanks again for your input to a VERY green DIY'er!
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Old 19th June 2012, 04:11 AM   #4
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If you are a real beginner then I would suggest that you do build the Lampucera as an external DAC so if you screw-up, you don't damage your CD player. Also, please have someone who knows better go over your work as tubed output stages run on higher voltages than your average battery pack. You could hurt yourself.
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