Micromega Stage 2 (1?)

ManUtd · 2nd March 2005, 01:27 PM

Hi to All,

I do need to share with You all Micromega ovners this great modification i did to my Micromega Stage 2 CD player.

Inside there is located 4 pcs NE5534 op-amps in the Audio Output stage.
I changed those with OPA627BP from Texas and "vola" what an difference!!
If You have an unmodified Stage 2 player i can Recommend this great mod. for You.
You will for sure be "VERY" suprised of the result.
I know this is an well known issue by all of You but i needed to share it with You.

Comments on it are welcome!

Regards,
ManUtd.

peelaaa · 22nd August 2005, 08:30 PM

Hello, I did the same on my stage 6, I added 627b and 637 b. Also I put in an audiocom clock which totally transforms the sound. Try it. it's really worth the money. Have you done any more mods
Ian

Vitamin · 20th October 2005, 08:41 PM

Hi guys,

Have you removed the compensation cap that is usually mounted when NE5534 is used ( 22 pF ) in your stage 2 ?

Cheers

ManUtd · 1st March 2006, 11:22 AM

Quote:

Originally posted by peelaaa
Hello, I did the same on my stage 6, I added 627b and 637 b. Also I put in an audiocom clock which totally transforms the sound. Try it. it's really worth the money. Have you done any more mods
Ian

Hi!
Were did You buy Your clock and what frequenzy is it?

Vitamin · 1st March 2006, 08:40 PM

Hi ManUtd,

I know you did answed my questions a few months ago and I did not reply. Sorry for that.

I found audicom clocks on ebay.co.uk , check that :

http://cgi.ebay.co.uk/SUPERCLOCK-2-U...QQcmdZViewItem

I'm pretty sure it's a 33.86 Mhz

Cheers mate

poynton · 1st March 2006, 09:08 PM

Hi Guys.

A quick question...

What version cdm12 is used in this cd-p???

12.1 or what?

Thanks.
Andy

JonHarrison · 1st March 2006, 09:10 PM

Andy,

Think it's a 12.4

Jon

poynton · 1st March 2006, 09:13 PM

Quote:

Originally posted by JonHarrison
Andy,

Think it's a 12.4

Jon

Hi. Thanks for the fast reply.

I have acquired a stage 2 without cdm and I have a spare working cdm12.1 from a Marantz.

Any idea if this can be fitted??

Andy

JonHarrison · 1st March 2006, 09:31 PM

Hi Andy,

Quote:

I have acquired a stage 2 without cdm and I have a spare working cdm12.1 from a Marantz.

Any idea if this can be fitted??

Going from the memory, the CDM12.4 has the servo IC fitted on the laser assembly pcb on the sled whilst with the CDM12.1 it is on the player's motherboard. No doubt it would be possible to interface the CDM12.1 but it's not a direct drop-in replacement. If you have the Marantz player that the assembly came from it may be easier to interface the stage 2 output board to this rather than the mechanism to the stage 2 main pcb.

Jon

poynton · 1st March 2006, 09:33 PM

hi Jon.

Thanks.

Too much hassle, I think!

I'll look for a new cdm 12.4.

Andy

2nd March 2005, 01:27 PM	#1
ManUtd diyAudio Member Join Date: Sep 2003 Location: Hof,Norway with Nice Mountains!	Micromega Stage 2 (1?) Hi to All, I do need to share with You all Micromega ovners this great modification i did to my Micromega Stage 2 CD player. Inside there is located 4 pcs NE5534 op-amps in the Audio Output stage. I changed those with OPA627BP from Texas and "vola" what an difference!! If You have an unmodified Stage 2 player i can Recommend this great mod. for You. You will for sure be "VERY" suprised of the result. I know this is an well known issue by all of You but i needed to share it with You. Comments on it are welcome! Regards, ManUtd.

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22nd August 2005, 08:30 PM	#2
peelaaa diyAudio Member Join Date: Mar 2005 Location: dublin	Hello, I did the same on my stage 6, I added 627b and 637 b. Also I put in an audiocom clock which totally transforms the sound. Try it. it's really worth the money. Have you done any more mods Ian

20th October 2005, 08:41 PM	#3
Vitamin diyAudio Member Join Date: Oct 2005	Hi guys, Have you removed the compensation cap that is usually mounted when NE5534 is used ( 22 pF ) in your stage 2 ? Cheers

1st March 2006, 08:40 PM	#5
Vitamin diyAudio Member Join Date: Oct 2005	Hi ManUtd, I know you did answed my questions a few months ago and I did not reply. Sorry for that. I found audicom clocks on ebay.co.uk , check that : http://cgi.ebay.co.uk/SUPERCLOCK-2-U...QQcmdZViewItem I'm pretty sure it's a 33.86 Mhz Cheers mate

1st March 2006, 09:08 PM	#6
poynton Magneto the Gravity Man diyAudio Member Join Date: Mar 2005 Location: A life on the ocean waves when I'm not at home in N. Wales (but I'm not Welsh so no sheep jokes!)	Hi Guys. A quick question... What version cdm12 is used in this cd-p??? 12.1 or what? Thanks. Andy

1st March 2006, 09:10 PM	#7
JonHarrison diyAudio Member Join Date: Mar 2004 Location: UK	Andy, Think it's a 12.4 Jon

1st March 2006, 09:33 PM	#10
poynton Magneto the Gravity Man diyAudio Member Join Date: Mar 2005 Location: A life on the ocean waves when I'm not at home in N. Wales (but I'm not Welsh so no sheep jokes!)	hi Jon. Thanks. Too much hassle, I think! I'll look for a new cdm 12.4. Andy

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