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Old 30th June 2011, 12:14 PM   #17001
UV101 is offline UV101  England
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opa211 is a single op amp - couple be used in pairs on adapters.

opa2211 is the dual version of this opamp.

Some people dont like blind opamp rolling and I'm sure there are technical arguments why you shouldn't however, I've a big fan of opamp rolling, that way you can test using your ears not a meter!! lol

I'd give it a go. It would need to be bloody good to beat the LME49720HA!
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Old 30th June 2011, 12:45 PM   #17002
RCruz is offline RCruz  Switzerland
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Thank you

I am using LME49720 in my preamp, powered by two +-15v Spowers, but I have been reading about opa2211 and its virtues... Maybe I will experiment with opamp rolling a little bit more.
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Old 30th June 2011, 02:12 PM   #17003
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Anybody used ard starget caps(elna) gonna use them round the dac decoder and so on, next time the lids off 16v 470uf audiograde anyone have any comments on them?.
alan
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Old 30th June 2011, 02:18 PM   #17004
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I feel like first time I went here:
what is op-amp?
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Old 30th June 2011, 02:19 PM   #17005
UV101 is offline UV101  England
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Use zlh or za on analogue and sepc on digital. I doubt the stargets will be any better than the original (if they are real to start lol) ;-) ask Lee, he has some za's left, I just had 10 myself!! ;-)
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Old 30th June 2011, 02:24 PM   #17006
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From rs ian should be real so no better than originals.
thx alan
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Old 30th June 2011, 02:35 PM   #17007
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Didnt hear your system as i passed by mon am lol ,said your were going to crank it up it was 3.30am tho? bloody plane 1.5 hrs delay 2.20 per half hour to park .
alan
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Old 30th June 2011, 02:41 PM   #17008
UV101 is offline UV101  England
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Quote:
Originally Posted by bikeral10 View Post
From rs ian should be real so no better than originals.
thx alan
That's poss a bit harsh!!!!!

They are audio grade caps so they will be ok. Having bent here and got the t shirt with cheaper caps, I'd go za on analogue and def no question about sepc on digital. I suspect the sound will be mushier with the stargets!
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Old 30th June 2011, 02:44 PM   #17009
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Quote:
Originally Posted by UV101 View Post
That's poss a bit harsh!!!!!

They are audio grade caps so they will be ok. Having bent here and got the t shirt with cheaper caps, I'd go za on analogue and def no question about sepc on digital. I suspect the sound will be mushier with the stargets!
Lol,ok give lee a pm see what he has thx.
alan
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Old 1st July 2011, 02:16 AM   #17010
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Hmm - I think I made a big mistake. I removed my DC coupling caps and thought I had tested for offset properly, but did it while the player was paused, not playing. I wasn't happy with the sound after removing them, but kept them out on the understanding that the sound would improve as I did more work on it. Anyway, long story short, I have ~60mV offset in the left channel, ~-20mV in the right, a broken amp and hopefully... hopefully... not burnt out speakers.
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