Clock locking CD player to DAC

GGJFAA · 7th August 2010, 02:42 PM

I have a Cambridge Audio Azur 540C CD player and just bought a demo IsoMagic S700 DAC. I would like to use the clock lock option (using an optical cable). Does anyone know if this is possible with these two models? If not, is it possible to modify the CD player? Thanks for any information.

Moddang · 15th October 2010, 05:58 PM

may be you need to replace as is fiber optic recieving and transmitting module with new fiber optic recieving module for CD player and external DAC, respectively, that used in high speed communication. You need to buy the real optical fiber cable that used in high speed communication also.

I heard from my friend the optical cable for audio in market is only one core (cheap) I'm not expert and I never try but it just an idea.

Ardee · 16th October 2010, 10:28 PM

How easy this is will depend on whether the Isomagic clock frequency matches that in the player. I think the Isomagic uses a PMD100 filter (?), which needs a 256fs or 384fs clock. If the player is the same, all you will probably need is a suitable optical receiver with the output going to the xti pin.

7th August 2010, 02:42 PM	#1
GGJFAA diyAudio Member Join Date: Aug 2010	Clock locking CD player to DAC I have a Cambridge Audio Azur 540C CD player and just bought a demo IsoMagic S700 DAC. I would like to use the clock lock option (using an optical cable). Does anyone know if this is possible with these two models? If not, is it possible to modify the CD player? Thanks for any information.

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15th October 2010, 05:58 PM	#2
Moddang diyAudio Member Join Date: Jan 2009	may be you need to replace as is fiber optic recieving and transmitting module with new fiber optic recieving module for CD player and external DAC, respectively, that used in high speed communication. You need to buy the real optical fiber cable that used in high speed communication also. I heard from my friend the optical cable for audio in market is only one core (cheap) I'm not expert and I never try but it just an idea.

16th October 2010, 10:28 PM	#3
Ardee diyAudio Member Join Date: Nov 2005	How easy this is will depend on whether the Isomagic clock frequency matches that in the player. I think the Isomagic uses a PMD100 filter (?), which needs a 256fs or 384fs clock. If the player is the same, all you will probably need is a suitable optical receiver with the output going to the xti pin.