stereo54,220 posts10-18-2020 11:53am@oldhvymec,
You are scaring me with the report on your C2500. I have had one for 3 years and love it. I hope mine doesn’t suffer the same fate as yours.
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I've had Macs for 50 years, you made a GREAT choice..Really..
Here is the deal, that C2500, was in a cable drop incident, about a year ago. I did a lot of damage with that blunder. It blew the right channel monoblock (VTL 300) and the MC275 right channel.
The Pre amps works just perfect, for about a month. BAMB...
It lost a valve on the "MAIN" right rail. I replaced it and there was a notable volume difference. I got it back up and running with a pair of test 12ax7s, same.. It failed because of the cable drop, I have no doubt..
I took a very closely matched pair of valves, (dug out my 539) and still low volume.. Repair time....
They are a solid piece, don’t do cable drops.. "Oh man", expensive.. First time..in 50 years.. 15,000.00 if I just replaced.. I was one sick puppy...
THEN I had a heart attack.. LOL Gee whizz... ALL better now..
I have a MX120/121, MX110, C20, C11 in my que, I just love that C2500. I really do.. The C20 (Samra touch) will whip it good it a contest, but it is one of my favorite pieces of all time..Easy to use, and it’s a Mac... all the way.. OpAmps and all.. LOL
Regards