OPA2134 or OPA2604

JoeBob · 7th January 2002, 03:08 AM

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.

paulb · 7th January 2002, 04:40 AM

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.

JoeBob · 7th January 2002, 04:44 AM

Actually, if you mean you think it was me, it wasn't. Must be one of those wonderfull coincidences.

paulb · 7th January 2002, 04:47 AM

That was my first thought (that it was you), but then I checked the profile and it's somebody in Chicago, I think.

JoeBob · 7th January 2002, 04:51 AM

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.

wuffwaff · 7th January 2002, 11:20 AM

Joebob,

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

william

7th January 2002, 03:08 AM	#1
JoeBob diyAudio Member Join Date: Nov 2001 Location: Montreal, Canada	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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7th January 2002, 04:40 AM	#2
paulb diyAudio Member Join Date: Jun 2001 Location: Calgary	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.

7th January 2002, 04:44 AM	#3
JoeBob diyAudio Member Join Date: Nov 2001 Location: Montreal, Canada	Actually, if you mean you think it was me, it wasn't. Must be one of those wonderfull coincidences.

7th January 2002, 04:47 AM	#4
paulb diyAudio Member Join Date: Jun 2001 Location: Calgary	That was my first thought (that it was you), but then I checked the profile and it's somebody in Chicago, I think.

7th January 2002, 04:51 AM	#5
JoeBob diyAudio Member Join Date: Nov 2001 Location: Montreal, Canada	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.

7th January 2002, 11:20 AM	#6
wuffwaff diyAudio Member Join Date: Aug 2001 Location: Ingolstadt Germany	Joebob, or try the OPA2107. It sound a lot better than the OPA2604 william