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SONY MA900 resistor Mod

post #1 of 7
Thread Starter 

   Hi guys, Long time lurker, I bought a sony ma900 a few weeks ago looking for the most comfortable open design (My ears get hot really easy), tried the HD650 but didn't like the build quality and the comfort at all, So I got the MA900, at first it sounded so thin and "weak", like an AM radio.

I EQ 'ed and it got better but still something was "missing", Until I found out about the "compensating resistors" network, WHAT A DIFFERENCE, I took both resistors out, CLARITY, bass is tight, Treble sparkle, etc..Is like the resistors were degrading the signal somehow. Anyone who needs instructions pls ask, I could take some pics too. Anyone who made this mod too please reply to confirm my findings.  I still dont know what SONY ppl are thinking, at least they should put a switch on the compensating network, not everyone has crappy 60 Ohms OI headphone amps.

post #2 of 7

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Edited by AnAnalogSpirit - 2/27/14 at 12:31pm
post #3 of 7
I want to do this but would like more instructions. How do you open them up?
post #4 of 7
I have a ma900 and am interested in performing the resistor mod. Any diy instructions and photos? Any reviews on modded ma900?
post #5 of 7

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Edited by AnAnalogSpirit - 2/27/14 at 12:11pm
post #6 of 7

Sorry, a bit late, but do you think you could share the pictures of the mods because I am interested, but i am not sure if I can do it since I am kind of new to this.

post #7 of 7
Quote:
Originally Posted by d0od View Post
 

Sorry, a bit late, but do you think you could share the pictures of the mods because I am interested, but i am not sure if I can do it since I am kind of new to this.

 

+1

 

Can someone share a tutorial for M900 resistor mod?

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