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Old 9th March 2008, 09:30 PM   #1
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Location: Newtonhill Aberdeenshire
Question DAC to valve output connection help please

DAC to valve output connection help Post #9295
Hi All
OK then I have my Marantz CD52 Mk II SE And I have just acquired A CD 67 std model I have had the 52se from new I havenít dun much to modes to date just removed mute transistor and damped the case so far on the 52 but I intend to do most of the upgrades on rays lists on both the players
I Am intending trying a discrete/and or Valve output stage in both players but looking though Rays Exhalent Website as a beginner I have got my self a bit confused with the CD67s SM5872BS DAC connections to output stages I now the pin numbers but not sure on the connection method for the Valve output Stage see link Post 42
http://www.diyaudio.com/forums/show...6926#post776926
too the SM5872 Dac Right Channel pin 25 RO pin 23 RON Pin 24 AVss2 For the Ground
Left Channel pin 20 LON pin 19 AVss1 Ground pin 18 LO
OK this is where I have got confused to connect the right channel of valve output stage do I connect the input wire to pin 25 RO and ground to pin 24 AVss2 on the dac and pin 20 and 19 for left channel

I also want to do this on the Marantaz CD52 SE
DAC SAA7350 Left Channel input of valve stage to pin 38 NITL ground to pin 36 Vss AL for the ground
Right Channel pin 19 NITR pin 21 Ground
Can anyone confirm if I have this correct if not can someone post the correct pin connection order pleas
Thank
Colin
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