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Old 5th July 2006, 01:49 AM   #1
mudihan is offline mudihan  United States
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Default The Best Sounding DUAL opamps

What are the best sounding dual opamps (plural due to subjectivity)? Preferably in DIP-8 package.

I have always enjoyed OPA627/37. However, due to space constraint, I can not use them in my headphone amp (the browndog couldn't fit). Currently, I have AD826, OPA2604, and LT1364, all of which are excellent but not in the same league as OPA627. Any suggestions? (and where I can get them, if they are hard to find in the US). Thanks!
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Old 5th July 2006, 02:13 AM   #2
mudihan is offline mudihan  United States
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I am especially interested in the Linear line -- are there better dual opamps than LT1364?
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Old 5th July 2006, 06:47 AM   #3
DcibeL is offline DcibeL  Canada
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I recommend the OPA2132/OPA2134.
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Old 5th July 2006, 07:40 AM   #4
pwan is online now pwan  United Kingdom
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Different opamp sound different, but doesn't mean it sounds better (well, that's quite subjective)

To me I prefer OPA2132 than OPA627.
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Old 5th July 2006, 08:41 AM   #5
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http://www.tangentsoft.net/audio/opamps.html

Might be helpful - has package and min. rail-to-rail voltages
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Old 5th July 2006, 09:12 AM   #6
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I've used the OPA2132 as well. Sounds brilliant.
I'd recommend that.
I did try a comparable Analog Devices opamp once (alas I don't recall the part number) and it was very good, but quite harsh sounding and not as impressive as the 2132.
Cheers,
Phil
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Old 5th July 2006, 04:54 PM   #7
mudihan is offline mudihan  United States
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Quote:
Originally posted by pwan
Different opamp sound different, but doesn't mean it sounds better (well, that's quite subjective)

To me I prefer OPA2132 than OPA627.

Quote:
Originally posted by raromachine
http://www.tangentsoft.net/audio/opamps.html

Might be helpful - has package and min. rail-to-rail voltages
Thanks for the link. I had read it many times before posting this threat. Tangent didn't mention AD826 and LT1364, which are my best choices.

Yes, it's a very subjective question, so what I am looking is the highest class of sound -- In my opinion, also as said by Tangent, the openness and the cleaness of OPA627/37 put them into a higher league that OPA2604 and LT1364, both of which are very musical, do not belong. The only one that comes close is AD843 (again I agree with Tangent), but it is a single-channel one. I have yet to try OPA2132.
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Old 27th November 2009, 11:25 PM   #8
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LM4562 is better than OPA2132. To drive headphones you might want to look at buffering the output with someting like BUF634.
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Last edited by SoNic_real_one; 27th November 2009 at 11:33 PM.
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Old 28th November 2009, 03:23 AM   #9
ROBSCIX is offline ROBSCIX  Canada
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Many have had great results with the LME49720HA.
There are lots of great opamps out there though and tastes vary so it is hard to recommend any and say they sound "The Best".
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Old 28th November 2009, 10:19 AM   #10
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Currently my favorite duals are the LME49723MA and the LME49720HA.

I also like the OPA2132P as a third favorite.


Generally, I don't like the LM4562 nor the LME49720NA (nor the LME49860) as much as all the above.

I might have to add to my list of favorites the OPA1612 and the LME49725 soon (i.e. as soon as I try these too).
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