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Old 27th June 2011, 10:14 AM   #31
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In my experience its bandwidth that has perhaps the highest correlation with sound quality of any datasheet number. Bear in mind that high bandwidth devices need more care and attention to layout and decoupling, so in the wrong hands a wide bandwidth device can actually sound worse due to instability.
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Old 27th June 2011, 10:28 AM   #32
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Yeah thanks so much for that link. I'm liking it a lot so far, I only wish they had done some low voltage testing. That's been a rapidly growing area. Well worth a read anyway, it looks to be a gem for questions like Aucosticraft asks.
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Old 27th June 2011, 11:28 AM   #33
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Hi, I replace NE5532 for LME49860 ( my habit is to replace a bipolar chip for a bipolar one) with good results till now. They sounded better in all applications so they are a worthy replacement.

But I have to admit that the original Signetics 5532 are not too bad either certainly for the price they were sold for. Those are hard to beat in terms of specs/measurements too. Many of the newer opamps measure worse than NE5532.


NJM4558/4565/4580 are the real bad news in opamps
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Old 7th April 2012, 03:06 PM   #34
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Default New NJR audio opamps

Has anyone seen the new NJR audio opamps ?

NJR's MUSES 01 and 02
And the newer ones MUSES 8820 and 8920 ?

Apparently some are available at Digikey.

MUSES 01 and 02 at $50 each !

MUSES 8820 at a better $ 4.20 each !

Does one reach musical Nirvana using these chips ?
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Old 7th April 2012, 05:53 PM   #35
Mooly is offline Mooly  United Kingdom
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Never heard of them before but found the website,
MUSES Official Website

In a world awash wih opamps they would have to have something special about them. The specs are unremarkable although realistically entirely adequate for audio as far as the numbers go.

The marketing waffle is top drawer
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Old 7th April 2012, 06:12 PM   #36
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My only surprise is that it took manufacturers so long to capitalise on audio fashion! $ 50 for a mediocre opamp is aggressive marketing indeed!
Of course, the first guy who shells out those $ 50 will immediately report how incredible high end this sounds!
But there's a bright side to this: it may finally make opamps acceptable to high end audio.
3 pins good, 8 pins better !

jan
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Old 7th April 2012, 06:30 PM   #37
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Old 10th April 2012, 12:37 PM   #38
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Quote:
Originally Posted by Mooly View Post
The marketing waffle is top drawer
http://media.digikey.com/pdf/Data%20...MUSES72320.pdf
http://tad-labs.com/en/consumer/c600/catalog.pdf

(sorry, couldn't resist)
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Old 10th April 2012, 01:43 PM   #39
godfrey is online now godfrey  South Africa
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Quote:
Originally Posted by janneman View Post
3 pins good, 8 pins better
9 pins best?
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Old 1st October 2012, 10:47 AM   #40
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Anyone tried it out with MUSES so far?
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