Shanling cd-t80 OPA ? - diyAudio
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Old 1st April 2007, 05:04 PM   #1
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Default Shanling cd-t80 OPA ?

I'd like to upgrade the cd-t80's original op amps. Would like to try the OPA2227. On the TI.com site there are a few different choices. OPA2227 Which one would be right for the Shanling cd player?
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Old 1st April 2007, 05:40 PM   #2
johnm is offline johnm  United Kingdom
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Yes 3 OPA2227s will be fine for the Shanling CD-T80.

I tried these myself, along with the expensive OPA627s using Brown Dog converters, and the LM4562s.

In the end after LOTS of listening and swapping back and forth between op-amps I settled on the OPA2132s.

I'll be interested to see how you get on with the OPA2227s - they are a very nice op-amp. Just sounded a little too cold and polite in the Shanling for my liking. The OPA2132 can really boogie!

Cheers,

- John
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Old 1st April 2007, 06:45 PM   #3
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Well I'd much rather have my Shanling boogie than be cold and polite. I imagine any of these will be a step up from the original 2406's. Given that no two sets of ears are alike. Ditto for our listening conditions / equipment. That given I do prefer a warm sound. So now you have me thinking I may try your boogying 2132's. What I don't understand is the prefix following the first four digits on the order page. There are 2132UA, 2132P, 2132PA and 2132U listed.
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Old 1st April 2007, 09:36 PM   #4
johnm is offline johnm  United Kingdom
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It's all so subjective isn't it, and there's so many different variables which affect the final sound.

I use solid state amplification at present (various Tripath-amps, a Gainclone and my fav. Greg Ball's GB150D) so this may explain why I prefer the OPA2132.

I imagine with slightly "warmer" tube amplification the LM4562 or OPA2227 may indeed be a better choice. The beauty is you can tune it for your ears/equipment. Having said that to prevent myself from driving myself nuts by continuously swapping op-amps I removed the op-amp sockets from my Shanling and soldered the OPA2132s directly to the sockets. Sanity is restored ;-)

Whatever op-amp you end of using, the Shanling is a mighty fine player.

Not sure what the different OPA permutations mean, I think some are more accurate versions of the same chip? The explanation may well be on their website somewhere.

Cheers,

- John
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Old 3rd April 2007, 04:03 AM   #5
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Well I've ordered some 2227's and 2132's. I'll let you know how the listening experience goes.
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Old 23rd April 2007, 07:42 AM   #6
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Hallo everyone,

...my first post on this site, it's a pleasure to be here and I'd like to thank everyone in this thread for the inspiration they gave me to fix a problem I had with my Shanling CD-T80. The resolution may be useful for others, so I thought I would share it with you.

About 3 month ago I bought a new CD-T80 from the eBay UK site, shipped directly from Hong Kong. I had my heart in my mouth but it arrived nicely packed and in 1st class condition. Except for audible clicks through the speakers every time I did anything with the buttons or the remote, which was curious but nothing really to worry about, for the first few weeks it performed beautifully - a major improvement on my previous player. I was a very happy bunny.

Then Murphy struck: from time to time it would emit an alarming f*rting sound through the left channel. Very loud and not good for my fragile Quad ESL57 electrostats. I identified the Shanling as the culprit and hastily swapped it for the old player.

Now I had a problem. To return it to Hong Kong was the option of last resort, so I first tried swapping the 6N3 tubes for some military spec GE devices. Great sound for 15 minutes but no joy with the passing of the wind.

Then I hit on this forum and the discussion about the Op Amps. I have now replaced the 3 original chips with JohnM's boogying OPA2132s and peace has been restored - no more clicks either.

The resulting player (GE's tubes and the new Op Amps) is of unsurpassed excellence for the price.

So cheers everyone!
Nick
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Old 23rd April 2007, 02:25 PM   #7
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Good to hear that you were able to fix your problem by replacing the OPA's! I have a set of 2132's waiting to go in my cd-t80 but right now it has disc reading problem. This is detailed in another thread. It is a great cd player! I recently heard the new Shanling cd3000 and felt that the t80 had a wider and more detailed soundstage. Now if I can only get mine working again. Thanks Nick!!!
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