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Matrix M-Stage amp review: simple, cheap, and excellent. - Page 262

post #3916 of 4888
Quote:
Originally Posted by Change is Good View Post

I finally got my black knob in the mail, today.

 

 

 

 

Looks good! I mean, the knob not the picture quality. tongue.gif

 

I think that is a much better looking unit overall than the tiny little guy. No troubles with the install?

post #3917 of 4888
Quote:
Originally Posted by elwappo99 View Post

 

 

Looks good! I mean, the knob not the picture quality. tongue.gif

 

I think that is a much better looking unit overall than the tiny little guy. No troubles with the install?

 

Yea, I'm using my phone lol

 

No trouble to install at all. Just remove the little screw on the original with a hex key... remove old knob... line up the new knob appropriately along with the screw it comes with... and screw on with a small flathead.

 

You do have to paint the small circle, however, because the indentation comes unpainted.

post #3918 of 4888
Quote:
Originally Posted by DaemonSire View Post

 

Thanks for the replies LCMusicLover, hifimanrookie and Chris J.  I knew I had read about someone else having the same experience but couldn't remember how many pages back it was.

 

Nice to know I'm not crazy and especially that there isn't an issue with the amp.

 

Actually, I do think your crazy!  biggrin.gif

 

Hey, I kid! I kid!

post #3919 of 4888
Quote:
Originally Posted by Change is Good View Post

 

You do have to paint the small circle, however, because the indentation comes unpainted.

Same here :D 

post #3920 of 4888
Got my opamp today, but knob is still MIA.
post #3921 of 4888
Quote:
Originally Posted by Maxvla View Post

Got my opamp today, but knob is still MIA.

 

Yea my opamp arrived rather quickly, too. I can say it took approximately 10 business days for my knob to arrive.

 

It is coming all the way from China, you know  tongue.gif

post #3922 of 4888
Quote:
Originally Posted by Change is Good View Post

 

Yea my opamp arrived rather quickly, too. I can say it took approximately 10 business days for my knob to arrive.

 

It is coming all the way from China, you know  tongue.gif

 

It took mine closer to 30 days to arrive, but it was worth it, love the knob.

post #3923 of 4888

Got my Matrix M stage about a day ago, I've left it on, see if it opens up.  I like what I hear so far detail and transparency are better than anything I've owned so far (desktop amp newbie), but for the price I think I like it better than my 3G Arrow so far.  I got the black knob too, hope it comes faster than 10 days...

post #3924 of 4888
How are you guys getting the stock knob off? I tried my 1.4mm and 2mm allen wrenches, the 1.4 is too small, the 2, too big, and these are the 2 smallest of my allen wrench set.
post #3925 of 4888

Have you tried an allen wrench set with imperial units?

post #3926 of 4888
I don't have one. I assumed it would be metric being a Chinese product. The ones on the face plate are 2mm. Guess I'll head to the store tomorrow and see what I can find.
post #3927 of 4888

I've noticed Muses opamps have been getting some attention with other amps. Has anyone tried any one of the Muses8820, 8920, 01 or 02 with the m-stage?

post #3928 of 4888

Went back to the LM4562 opamp instead of the opa627 bias adaptor. Sounds good.

 

Why use two opamps when one can do the job...  If the amp was dual mono then it would make more sense. 

 

The opa627 are the best opamps I've heard (used them in other amps, including my Audio gd) but they're not going to be optimized using them in such a configuration as in the dual adapter for the m-stage. Your just paying for the hype of 'opa627' when buying the class A mod. And as far as I've read up on this modification, you may well be stressing the amp by using it.

 

Its hard to a/b when changing opamps but I do think the LM4562 is the better sounding option after trying it twice now. 

 

imo :)

post #3929 of 4888
Quote:
Originally Posted by Maxvla View Post

How are you guys getting the stock knob off? I tried my 1.4mm and 2mm allen wrenches, the 1.4 is too small, the 2, too big, and these are the 2 smallest of my allen wrench set.

It needs a 1.5

http://www.amazon.com/Wiha-35392-5-piece-Metric-Molded/dp/B001ATKWJY/ref=sr_1_18?ie=UTF8&qid=1366417682&sr=8-18&keywords=hex+key

post #3930 of 4888

I changed the opamp to the OPA627 with the Class A mod. It's hard to tell if there's a change or not without having a stock M-Stage next to it to compare.

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