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Musical Concepts amplifier modifications upgrades

I would like to hear from people that have had their amplifiers modified by Musical Concepts. I am looking at having two GFA- 555 amplifiers modified / upgraded by them. I only want to hear from people that have had their amps. upgraded by Musical Concepts.
tomcheeser
tomcheeser OP
10 posts
 
Ok thanks
mofimadness's avatar
mofimadness
4,982 posts
 
@tomcheeser...I saw your other thread about Big Sky Audio.  I've never heard of those guys.

If you really are going to have this done, please let John do it.  He's been doing these mods forever and probably knows more about them than anyone, (just my .02 cents worth).
tomcheeser OP
10 posts
 
OK thanks
mrdecibel
3,063 posts
 
Not ICE, but IEC, the power cord inlet. And yes, wonderful work from him.
onlyanalog
11 posts
 

I have a brand new musical design D140 amp its the best  money Iv spent in my 40 plus years in my hifi journey! That’s all I have to say period!

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