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Old 19th September 2010, 01:48 PM   #1
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Default Replace NE5532AN

Hello everyone!


I have a stereo integrated amplifier ROTEL RA-930AX with opamp NE5532AN (img : http://www.repo.intilinux.com/DSC01418.JPG). I wanted to replace it with a better one. For example: OPA2604. It's a good choice?
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Old 19th September 2010, 04:13 PM   #2
Minion is offline Minion  Canada
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Im not a believer in replaceing Opamps just for the sake of it .... especially if you don"t know what the Opamp is doing in that particular place in the circuit .....

You can replace a opamp in a Circuit with another with better specs and still get worse results ...... The designers at Rotel probably chose the NE5532 for a reason ......

I would personally leave it as it is unless you really think that the NE5532 is holding your amp back from sounding good ....

If you are really set of swapping in another opamp try the LM4562 , it is one of the best speced Dual Bipolar opamps out there .....

LM4562 - Dual High Performance, High Fidelity Audio Operational Amplifier


Cheers
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Old 19th September 2010, 04:40 PM   #3
Mooly is online now Mooly  United Kingdom
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OPA2604... yes it's a good choice, the one I would use...

and search the forums it's the one of the most asked questions

The best sounding audio integrated opamps

The Best Sounding DUAL opamps
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Old 19th September 2010, 08:40 PM   #4
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Quote:
Originally Posted by Minion View Post
Im not a believer in replaceing Opamps just for the sake of it .... especially if you don"t know what the Opamp is doing in that particular place in the circuit .....

You can replace a opamp in a Circuit with another with better specs and still get worse results ...... The designers at Rotel probably chose the NE5532 for a reason ......

I would personally leave it as it is unless you really think that the NE5532 is holding your amp back from sounding good ....

If you are really set of swapping in another opamp try the LM4562 , it is one of the best speced Dual Bipolar opamps out there .....

LM4562 - Dual High Performance, High Fidelity Audio Operational Amplifier


Cheers
Hello, you're right. But I want to try. In truth I have chosen the lm4562 and opa2104 as possible substitutes. I'll let you know how it will test. I will use a socket to restore the original.

I bought them both ... see when they arrive ...
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Old 19th September 2010, 09:07 PM   #5
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The power on NE5532AN is about 34V. Have schematics of rotel amp?
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Old 22nd September 2010, 08:24 PM   #6
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A good store that sells these "original" products?
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Old 22nd September 2010, 08:40 PM   #7
mjf is offline mjf  Austria
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hello.
..............and if you try to change these (cheap) elcos first? use better ones like panasonic fc/fm or so............
greetings
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Old 22nd September 2010, 08:49 PM   #8
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Originally Posted by mjf View Post
hello.
..............and if you try to change these (cheap) elcos first? use better ones like panasonic fc/fm or so............
greetings
25v 10uF (orange) ?
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Old 22nd September 2010, 09:03 PM   #9
mjf is offline mjf  Austria
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..........all of them.......
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Old 22nd September 2010, 09:35 PM   #10
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Try of Nichicon Muse (100uF 63V).
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