Replace NE5532AN

antony28 · 19th September 2010, 01:48 PM

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?

Minion · 19th September 2010, 04:13 PM

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

Mooly · 19th September 2010, 04:40 PM

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

antony28 · 19th September 2010, 08:40 PM

Quote:

Originally Posted by Minion

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 ...

antony28 · 19th September 2010, 09:07 PM

The power on NE5532AN is about 34V. Have schematics of rotel amp?

antony28 · 22nd September 2010, 08:24 PM

A good store that sells these "original" products?

mjf · 22nd September 2010, 08:40 PM

hello.
..............and if you try to change these (cheap) elcos first? use better ones like panasonic fc/fm or so............
greetings

antony28 · 22nd September 2010, 08:49 PM

Quote:

Originally Posted by mjf

hello.
..............and if you try to change these (cheap) elcos first? use better ones like panasonic fc/fm or so............
greetings

25v 10uF (orange) ?

mjf · 22nd September 2010, 09:03 PM

..........all of them.......

antony28 · 22nd September 2010, 09:35 PM

Try of Nichicon Muse (100uF 63V).

19th September 2010, 01:48 PM	#1
antony28 diyAudio Member Join Date: Aug 2010	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?

19th September 2010, 04:40 PM	#3
Mooly diyAudio Member Join Date: Sep 2007	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 __________________ ------------------------------------------------------- *A simulation free zone.* *Design it, build it, test it.*

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19th September 2010, 04:13 PM	#2
Minion diyAudio Member Join Date: May 2006	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

19th September 2010, 09:07 PM	#5
antony28 diyAudio Member Join Date: Aug 2010	The power on NE5532AN is about 34V. Have schematics of rotel amp?

22nd September 2010, 08:24 PM	#6
antony28 diyAudio Member Join Date: Aug 2010	A good store that sells these "original" products?

22nd September 2010, 08:40 PM	#7
mjf diyAudio Member Join Date: Jan 2009 Location: upper austria/near linz	hello. ..............and if you try to change these (cheap) elcos first? use better ones like panasonic fc/fm or so............ greetings

22nd September 2010, 09:03 PM	#9
mjf diyAudio Member Join Date: Jan 2009 Location: upper austria/near linz	..........all of them.......

22nd September 2010, 09:35 PM	#10
antony28 diyAudio Member Join Date: Aug 2010	Try of Nichicon Muse (100uF 63V).

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