kk_ho 發表於 2010-5-22 11:18:01

Cambridge Audio 640C modify and circuit

Upgrade to 24/192KHz daugther board

taipounited 發表於 2010-5-23 22:27:03

thanks for the info. I'll read it but not sure if I understand it to modify my CDP

kk_ho 發表於 2010-5-24 02:01:19

Tai,

Be simple :
Change the opamp from NE5532 to OPA2604.
Change the capacitor to OSCON and Blackgate.

Mid level:
Change the power supply to R-CORE
Change to schottky diode

High level
Modify the Clock
Modify the SRC board into CDP, to use the max resolution of the DAC.

KK.HO

wjianrsh 發表於 2012-11-25 15:51:53

多谢分享!
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