Good replacment for BB OPA 2604/604 - diyAudio
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Old 19th November 2004, 02:55 PM   #1
Gasho is offline Gasho  Croatia
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Default Good replacment for BB OPA 2604/604

Better OPs that have same type of pacage and are double/single version like 2064/604?? Sugestions wanted
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Old 19th November 2004, 03:03 PM   #2
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OPA 134 / OPA 2134 .
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Old 19th November 2004, 03:04 PM   #3
mlloyd1 is offline mlloyd1  United States
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and the specific application is ...?
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Old 19th November 2004, 03:14 PM   #4
Gasho is offline Gasho  Croatia
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Quote:
Originally posted by mlloyd1
and the specific application is ...?
Analogue stage of cd players. But my question is general beter replacement for this OPs in sound quality and specifications.
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Old 19th November 2004, 03:57 PM   #5
Nuuk is offline Nuuk  United Kingdom
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Quote:
Analogue stage of cd players. But my question is general beter replacement for this OPs in sound quality and specifications.
I'm sure this topic has been covered before in the Digital forum!

But this is one of those topics where you will get as many suggestions as there are opamps in your parts supplier's catalogue. As ever, it's more a question of trying a few to see which [b]you[.b] like the best! And much depends on how much you want to spend!
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Old 19th November 2004, 05:45 PM   #6
Cobra2 is offline Cobra2  Norway
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Default Good replacement?

Quote:
Originally posted by Upupa Epops
OPA 134 / OPA 2134 .
I would say a boring replacement...I find the 604 more "musical".

Arne K
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Old 19th November 2004, 07:15 PM   #7
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Arne, wash your ears - 604 have hearable bigger distortion and distortion isn't music.
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Old 19th November 2004, 07:52 PM   #8
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Quote:
Originally posted by Upupa Epops
Arne, wash your ears - 604 have hearable bigger distortion and distortion isn't music.
Whoha Upupa, I absolutely agree.

Compared to the OPA132/2132 (or 4) the OPA(2)604 has a "raw", less defined, more "scratchy" midband and treble.
Also, the (2)132 has real BASS dynamics.
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Old 19th November 2004, 09:32 PM   #9
Cobra2 is offline Cobra2  Norway
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Unhappy OK, agree...

-evening is spoiled anyway...
I have ~50 x OPA604 for trade/sale...

Arne K
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Old 19th November 2004, 10:13 PM   #10
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Cool Deal?

Quote:
Originally posted by Cobra2
-evening is spoiled anyway...
I have ~50 x OPA604 for trade/sale...

Arne K
Would you trade those for some "hand-selected" JRC op-amps?
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