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Can we put OPA627 in Paradisea?

post #1 of 6
7/21/10 at 9:20pm
Thread Starter 

Hi friends, Please let me know that can we put the OPA627 DIP8-  (double amp.in one) version in the

Paradisea? How would be the sound quality? The heat of the DAC will be rised?

Thank you,

suseeb. 

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post #2 of 6
7/22/10 at 6:33am

what's in the there stock?

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post #3 of 6
7/22/10 at 7:02am

LM4562......I guess It can be replaced by opa2107ap.

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post #4 of 6
7/22/10 at 7:17am

well, I'd personally roll it w/ AD797BR/LT1363CN8, but you could also try OPA827/AD4627-1B and a few others. all those chips are unity gain stable, they should all work fine.

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post #5 of 6
7/22/10 at 8:45am
Thread Starter 

Hi leeperry, thank you. The stock opamp is LM4562 in the Paradisea. It is said that the OPA627 (Double version is OPA2627?)

yied luxurious sound. But I want to get suggessions from the persons who is having experiences with 627.

Some people say that the 627 is power hungry and draws more current, so that there will be more heat generation.

Friends, please clarify as I can try without hesitation. Thank you.

suseeb   

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post #6 of 6
7/22/10 at 8:54am

OPA2627 doesn't exist AFAIK, I've only seen it used on some commercial bs website.

 

many ppl believe that OPA827 is quite a drastic upgrade over OPA627, but why limiting yourself to TI? you could try one chip from the 3 market leaders: OPA627B / LT1363 / AD797B, they all sound very different yet equally good: http://www.head-fi.org/forums/f6/audio-gd-discrete-op-amps-reviewed-OPA-earth-OPA-moon-OPA-sun-v-2-a-397691/

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