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Old 26th June 2008, 03:41 PM   #1
fatgaz is offline fatgaz  Andorra
diyAudio Member
Join Date: Oct 2006
Question musical fidelity x-ray v8 - psu spec ?


musical fidelity have an odd cd player called the x-ray V8, which does not come with a PSU - it takes it's power from an external unit that powers an integrated amp or it takes power from a DAC.

there is no info on the Musical fidelity web site/ manuals as to the actuall PSU requirements of the CD player.

does anyone know what this player needs ?

there seems to be a '5-pin' socket that is used.

I may be able to buy just the cd-player and so I may need to build a PSU for it.

anyone got any ideas - or do they have one of the PSU's they could measure ?

cheers all,

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Old 2nd July 2008, 03:04 PM   #2
fatgaz is offline fatgaz  Andorra
diyAudio Member
Join Date: Oct 2006
Default - still need help from X series users ???


just asked MF for the spec of the PSU and the guy clammed up saying - can't tell you anythiing about modifiying our products...

but he did start to say it's +/-15V ac and +/-9V ac

so i'm getting somewhere !

just need to know the input socket wiring pinout and the required current capacity and I'll be able to knock up a box with two transformers easily.

so - can anyone measure the output (that can feed the cd player) from either X-serise PSU - these feed the amp or tuner - OR from the x-dac ?

cheers !

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Old 4th July 2008, 08:35 AM   #3
MadMutt is offline MadMutt  Australia
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Join Date: Nov 2006
Protectionism in the industry ? No never. (sarcasm)

sorry I can't help as I don't have that model, but maybe open the cd player and see if there are any markings on the board.
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Old 14th July 2008, 04:01 PM   #4
fatgaz is offline fatgaz  Andorra
diyAudio Member
Join Date: Oct 2006
Default part way there...

Hi all,

some one on another forum has measured the output from the dac that feeds the cd player - seems to be two phases each of 5V ac and 15v ac. so they have just taken the mains transformers outside of the player.

I guess that the 5V will run the mechanical/ display side and the 15V will be audio rails ? not sure where the dac will get power, probably the 5v ?

thus, i'm going to have to guess on the required size of transformer - obviously the current draw won't be enormous - but I don;t want to blow too much money on unnecessary iron.

any sugestions on the transformer sizes i chould use ?


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Old 15th July 2008, 07:34 AM   #5
MadMutt is offline MadMutt  Australia
diyAudio Member
Join Date: Nov 2006
I would hazard a gess that 1 amp should be plenty.
But at these sizes, I doubt they'd be expensive so maybe look at 2 or 3 amps.
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