Replacing NE5532 in a Sony CDP-XA3ES‏. - Page 2 - diyAudio
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Old 31st January 2012, 11:21 AM   #11
oshifis is offline oshifis  Hungary
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Quote:
Originally Posted by Pipomantis View Post
And what about THS4032? Any experience in XA-_ES player?
I found the THS4031 flat and boring. Now I am using OPA627 biased in Class A (1.5k resistor from output to negative supply).
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Old 31st January 2012, 07:23 PM   #12
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Quote:
Originally Posted by oshifis View Post
I found the THS4031 flat and boring. Now I am using OPA627 biased in Class A (1.5k resistor from output to negative supply).
If you see the photo I post, which one to replace? IC602 or IC603?
Where do you bouth this chips?
Thanks.
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Old 31st January 2012, 08:41 PM   #13
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You have three OpAmps per EACH channel there. Converters seem to be 503 and 603.

Last edited by SoNic_real_one; 31st January 2012 at 08:51 PM.
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Old 1st February 2012, 06:03 AM   #14
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Originally Posted by SoNic_real_one View Post
You have three OpAmps per EACH channel there. Converters seem to be 503 and 603.
To be specific: Do I install OPA2134 on ic502 and ic602 and on the other hand AD627(dual) on IC503 and IC603?

Is this a good solution? Or tell me another. And sorry for my ignorance in electronics.
I need to improve the sound of my beloved XA3ES.
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Old 1st February 2012, 07:09 AM   #15
Mooly is offline Mooly  United Kingdom
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I would endorse the OPA2604 recommendation for this player for replacing all the 5532's.

The AD627... no way. Thats a micropower opamp totally unsuited to audio. Slew rate 0.05V/us
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Old 1st February 2012, 03:48 PM   #16
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IŽll go for OPA2604. I hope to find the softness and sweetness I want. The CD match with Audiolab 8000S amplifier and B&W CDM1SE speakers.
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Old 1st February 2012, 04:58 PM   #17
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I did try them. Not very happy about them, after that I switched to LM4562...
Do what I did - use some good quality sockets first to try different variants. When you settle for one, you can eventually remove the sockets.
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Old 1st February 2012, 05:34 PM   #18
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Again I doubt arise. LM4562 or OPA2134.
I'm going crazy. At the end buy a new player.
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Old 1st February 2012, 06:13 PM   #19
Xoc1 is offline Xoc1  United Kingdom
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Before You replace the op amps there are other mods you could try.
I have not found a schematic (that I could download for free)!
But looking at your photo has the CD player output stage seems to have muting transistors. If they are muting transisitors they will probably be positioned in the circuit to pull down the outputs. If so, these usually can be removed.
You could probably also remove any DC blocking capacitors if you check that there are no excessive DC offsets.
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Old 1st February 2012, 06:14 PM   #20
Mooly is offline Mooly  United Kingdom
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Quote:
Originally Posted by Pipomantis View Post
Again I doubt arise. LM4562 or OPA2134.
I'm going crazy. At the end buy a new player.
Why doubt ? I thought you liked the player

The OPA2604 is the one to go for if you want the most "analogue and non fatiguing" sound.

The OPA2134 is less coloured but we are talking subtleties.

Either should easily better the 5532's fitted.

I havn't evaluated the LM4562 so can't comment on that one.
For what these parts cost and the few minutes it takes to swap them I can't see the problem tbh
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