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Old 20th June 2003, 06:48 PM   #1
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Default Good Quad Op-Amp for Preamplifier

Hi,

I'm trying to choose a good quad-packaged Op_amp for an Audio Preamplifier/Distribution Amplifer (mentioned in a separate posting). Does anyone have any favorites, especially any from National Semiconductor?

Cheers, BC
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Old 20th June 2003, 09:08 PM   #2
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TL074...LM356 and NE5534 are all excellent op amps
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Old 20th June 2003, 10:35 PM   #3
Kay is offline Kay
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OP470

best regards
Kay
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best regards
Kay
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Old 21st June 2003, 03:55 AM   #4
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the cheapest is the lm837n for 25cents each. low noise ect... there are better, but i like em for the price.
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Old 24th June 2003, 11:19 AM   #5
PMA is offline PMA  Europe
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OPA4134
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Old 24th June 2003, 11:50 AM   #6
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AD847.

-Jonne
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Old 24th June 2003, 12:36 PM   #7
Electrons are yellow and more is better!
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AD8610 single or AD8620 dual. VERY good! Note, only in SMD package.

If you can't use SOIC package I would say OPA4134 as a very good choice.
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Old 24th June 2003, 05:01 PM   #8
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LOL...I just mentioned the cheap ones
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Old 24th June 2003, 07:00 PM   #9
Electrons are yellow and more is better!
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Quote:
Originally posted by JOE DIRT®
LOL...I just mentioned the cheap ones
The thread starter asked about good opamps not necessarily cheap ones.
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Old 25th June 2003, 04:12 AM   #10
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Default Price not a problem

I'm not too worried about the price - I'll only need a few chips. My 2 priorities are Audio Quality and "Robustness". I don't want anything that's likely to fail during my attempts at assembly on veroboard.

Cheers, BC
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