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soundwise, which one opa 2132P or 2134 opinions needed
soundwise, which one opa 2132P or 2134 opinions needed
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Old 29th August 2008, 01:44 AM   #1
crippledchicken is offline crippledchicken  United States
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Default soundwise, which one opa 2132P or 2134 opinions needed

Has anyone compared the two for sound quality? just curious because, the 2134 is around $2.00 and the 2132P is about $5.00 yet, I seem to see the 2134 metioned alot more. by the way, these are used for 2 channel power amp input purposes. Thanks for all opinions!
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Old 29th August 2008, 04:34 AM   #2
Bonsai is offline Bonsai  Europe
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Just get on with it and buy one and stick it in.

Some will say one, some will say the other.
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Old 29th August 2008, 04:39 AM   #3
lineup is offline lineup  Sweden
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I will say one is probably a tiny bit better
but I wont tell you which one.

Find out for yourself
They are not so expensive you can not try both.
And use the other one for some other future audio circuit.

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Old 29th August 2008, 04:45 AM   #4
theAnonymous1 is offline theAnonymous1  United States
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The OPA2134 is only available in the (PA) variety while the OPA2132 comes in (P) and (PA). The OPA2132(P) is more expensive because it has lower input offset voltage, better common-mode rejection, and higher open-loop gain.

It would probably only be fair to compare OPA2134PA to OPA2132PA, though I'm not sure the slightly better specs of the (P) version would make much difference for audio applications (at least not to me).

I have all three if you would like to compare them for yourself.
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Old 29th August 2008, 05:21 AM   #5
crippledchicken is offline crippledchicken  United States
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just looking for simple opinions that's all! I don't trust my ears much any more but, from now on, I will be sure to ask on another forum
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Old 29th August 2008, 07:01 AM   #6
TheSeekerr is offline TheSeekerr  Australia
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To my ears, they're identical soundwise, when they work, but the OPA2132P seems slightly more stable, and will sometimes work in a circuit where the 2134 is oscillating or marginal. So for design purposes, they're largely the same, but if you're rolling opamps in existing equipment, you may be better off going for the 2132.
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Old 29th August 2008, 05:23 PM   #7
crippledchicken is offline crippledchicken  United States
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Quote:
Originally posted by TheSeekerr
To my ears, they're identical soundwise, when they work, but the OPA2132P seems slightly more stable, and will sometimes work in a circuit where the 2134 is oscillating or marginal. So for design purposes, they're largely the same, but if you're rolling opamps in existing equipment, you may be better off going for the 2132.
Thank You!


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