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Old 7th January 2002, 03:08 AM   #1
JoeBob is offline JoeBob  Canada
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Default OPA2134 or OPA2604

Well, I've made a preamp to use either of these opamps (used a chip socket) and was wondering what peoples thoughts were on these two, any preferances between the two? I'm planning on sticking one and not changing, since I probably can't tell the difference (am used to very crappy equipment), but was wondering if any could tell the differences and if either one was "better" in any ways.
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Old 7th January 2002, 04:40 AM   #2
paulb is offline paulb  Canada
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I would guess that it's not a coincidence but just in case it is:
somebody else just asked the same question at headwize:
http://headwize.powerpill.org/ubb/sh...ays=20&stime=0

Some of those guys really know their opamps.
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Old 7th January 2002, 04:44 AM   #3
JoeBob is offline JoeBob  Canada
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Actually, if you mean you think it was me, it wasn't. Must be one of those wonderfull coincidences.
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Old 7th January 2002, 04:47 AM   #4
paulb is offline paulb  Canada
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That was my first thought (that it was you), but then I checked the profile and it's somebody in Chicago, I think.
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Old 7th January 2002, 04:51 AM   #5
JoeBob is offline JoeBob  Canada
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Thanks for the reply though, I checked it out and noticed the comment on the OPA2604 needing more juice, so I checked out the spec sheet at TI, and it seems like it'll like anything from +/-15V to +/-24V, while the OPA2134 only likes up to +/-18V (pretty close to the -17V of my power suply), so I think I'll feel safer going with the OPA2604 regardless. Thanks again.
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Old 7th January 2002, 11:20 AM   #6
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Joebob,

or try the OPA2107. It sound a lot better than the OPA2604

william
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