Musical fidelity A2 schematics

jmmartins · 26th December 2006, 04:18 PM

I bought a Musical Fidelity A2 integrated amp. It has a fault.
I'm trying to fix it but don't have the schematics.
Does anyone know where to find one?

Thanks

ixigen · 23rd February 2008, 10:22 PM

hi, did you repaired your musical fidlelity a2?

jmmartins · 24th February 2008, 02:13 PM

No, it’s standing by, waiting for the schematics. It’s not an easy fault. Changed some components and got a bad sound and some offset. It’s getting dust now.

GSI · 25th February 2008, 01:16 AM

Look here:

http://www.zeuslab.narod.ru/images/MFA2/MFA2MAIN.jpg

http://www.zeuslab.narod.ru/MF_A2.htm

jmmartins · 25th February 2008, 09:28 PM

Hey GSI

Thanks for your help.

ixigen · 25th February 2008, 10:06 PM

I can buy it if you want to sell.

jmmartins · 26th February 2008, 12:39 PM

Hi Ixigen

Sorry, but I intend to keep it. I used to like the way it sounds.
I allready found a faulty "mosfet", although it is not repaired yet.

Sometimes they show on German Ebay, if you are patient enought.

Thanks anyway

ixigen · 27th February 2008, 02:40 PM

ok, good choice because it'a a great amp

check this page from a guy who serviced musical fidelity a2 and other musical fidelity amps, be patience because there are hires photos and it's taking a while to load:
http://amp8.com/tr-amp/foreign/musical/muf-a2.htm

0,002 real THD it's hard to find @ 40W

hare are the other musical fidelity amps:
http://amp8.com/tr-amp/foreign/musical/musical.htm

Salar · 15th December 2008, 07:22 PM

Hello,
could anyone give a brief translation of what the russian and japanese guy did with their Musical Fidelity A2?
Just bought one yesterday, and I would like to improve it
Why did the russian remove the opamp, what are the benefits and backdraws?
Why such large capacitors and how are they connected?
You can find the links here:
russian
japanese
Thanks,
Sal

russel · 15th December 2008, 07:58 PM

Quote:

could anyone give a brief translation of what the russian and japanese guy did with their Musical Fidelity A2?

From google translate:

Japanese

http://translate.google.com/translat...tm&sl=ja&tl=en

Russian

http://translate.google.com/translat...tm&sl=ru&tl=en

Still a few mistakes in the translation but good enough to be scary. If it offered design improvements in a couple of years I would not be surprised

26th December 2006, 04:18 PM	#1
jmmartins diyAudio Member Join Date: May 2005	Musical fidelity A2 schematics I bought a Musical Fidelity A2 integrated amp. It has a fault. I'm trying to fix it but don't have the schematics. Does anyone know where to find one? Thanks

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23rd February 2008, 10:22 PM	#2
ixigen diyAudio Member Join Date: Jul 2006	hi, did you repaired your musical fidlelity a2?

24th February 2008, 02:13 PM	#3
jmmartins diyAudio Member Join Date: May 2005	No, it’s standing by, waiting for the schematics. It’s not an easy fault. Changed some components and got a bad sound and some offset. It’s getting dust now.

25th February 2008, 01:16 AM	#4
GSI diyAudio Member Join Date: Aug 2004	Look here: http://www.zeuslab.narod.ru/images/MFA2/MFA2MAIN.jpg http://www.zeuslab.narod.ru/MF_A2.htm

25th February 2008, 09:28 PM	#5
jmmartins diyAudio Member Join Date: May 2005	Hey GSI Thanks for your help.

25th February 2008, 10:06 PM	#6
ixigen diyAudio Member Join Date: Jul 2006	I can buy it if you want to sell.

26th February 2008, 12:39 PM	#7
jmmartins diyAudio Member Join Date: May 2005	Hi Ixigen Sorry, but I intend to keep it. I used to like the way it sounds. I allready found a faulty "mosfet", although it is not repaired yet. Sometimes they show on German Ebay, if you are patient enought. Thanks anyway

27th February 2008, 02:40 PM	#8
ixigen diyAudio Member Join Date: Jul 2006	ok, good choice because it'a a great amp check this page from a guy who serviced musical fidelity a2 and other musical fidelity amps, be patience because there are hires photos and it's taking a while to load: http://amp8.com/tr-amp/foreign/musical/muf-a2.htm 0,002 real THD it's hard to find @ 40W hare are the other musical fidelity amps: http://amp8.com/tr-amp/foreign/musical/musical.htm

15th December 2008, 07:22 PM	#9
Salar diyAudio Member Join Date: Feb 2006 Location: Berlin	Hello, could anyone give a brief translation of what the russian and japanese guy did with their Musical Fidelity A2? Just bought one yesterday, and I would like to improve it Why did the russian remove the opamp, what are the benefits and backdraws? Why such large capacitors and how are they connected? You can find the links here: russian japanese Thanks, Sal

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