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Old 10th July 2011, 07:47 AM   #1
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Default MUSICAL FIDELITY XRAY & XDAC

Does anyone know which dacs are used in these?
(saves me disassembling them!)

Thanks.
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Old 10th July 2011, 10:46 AM   #2
danico is offline danico  Hungary
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Xray use BB 1738
Xdac use BB 1792
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Old 10th July 2011, 12:17 PM   #3
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Quote:
Originally Posted by danico View Post
Xray use BB 1738
Xdac use BB 1792
Thanks.
The Xdac is a benchmark against which my dual differential 1541a will be compared.
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Old 10th July 2011, 01:47 PM   #4
danico is offline danico  Hungary
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I use 1541A in a Marantz cd player and I have a Pio cd with BB 1716.

The 1541 is my reference so far. I like it very much.
I have the DAC-END with AD1865N-K.
Unfortunately I have not had the time to finish it.
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Old 10th July 2011, 02:01 PM   #5
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Quote:
Originally Posted by danico View Post
I use 1541A in a Marantz cd player and I have a Pio cd with BB 1716.

The 1541 is my reference so far. I like it very much.
I have the DAC-END with AD1865N-K.
Unfortunately I have not had the time to finish it.
I also have an AD1865 in a Audio Note Dac1.1.

I will also try this with the I/V transformers I have just purchased from Sowter.co.uk (type 9545).

These sound quite good connected to a 1541 in a 1987 Philips CD471 (1541 outputs pre filtered with an LC Tee filter)

I
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Old 10th July 2011, 02:26 PM   #6
danico is offline danico  Hungary
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I use discrete power circuit for the 1541 and 7220 and those make a huge different in the sound. I also did a simple DEM reclock mod with BCK signal (2,8Mhz) and I2S signal attenuator. I use it in NOS and I dont have problems with highs like many of us reported.

I can tell the instruments sound so much alive very dynamic but also very smooth.
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Old 10th July 2011, 03:18 PM   #7
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Quote:
Originally Posted by danico View Post
I use discrete power circuit for the 1541 and 7220 and those make a huge different in the sound. I also did a simple DEM reclock mod with BCK signal (2,8Mhz) and I2S signal attenuator. I use it in NOS and I dont have problems with highs like many of us reported.

I can tell the instruments sound so much alive very dynamic but also very smooth.
I will try dem reclock and I2S attenuator eventually.
Without the LC filter the sound treble was a little brighter but also gritty and tiring due to the artifacts from the sampling frequency. I found the same with the Audio Note Dac1 when I removed the LC filter.

I have not yet finished a JLH high power 1996 version class A amp for use with my Martin Logan Aeon electrostatic hybrids so I cannot do any fine tuning until then. (currently use a Denon 1906 A/V amp)
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Old 10th July 2011, 04:58 PM   #8
danico is offline danico  Hungary
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You have a nice system to experience.
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