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McIntosh MR78 upgrades?

I have an MR78 that's working well. 

I can bring it to Audio Classics, and for about a grand, get the power supply and audio section upgraded, and the tuner will be aligned. 

There's another shop, maybe 2 hrs from Audio Classics that does a power supply upgrade for $250, plus an alignment would be billed based on actual time on the bench. So let's say $350-$400. 

Is the audio section upgrade worth $600? Would be most interested to hear from people with Mac tuners that have had them modernized. 
128x128zavato
zavato's avatar
zavato OP
1,405 posts
 
Kenny- thanks! Interesting. Wonder how it tested before the mod!

I used to have a magnum dynalab tuner that that went through a factory upgrade at about $800 and I doubt I could hear a difference.

I did discover that one of my panel lights- a "festoon bulb", whatever that is, is out. 
kennythekey
593 posts
 
I found the MR71 on a heap of discarded gear at a used audio joint. I'm not sure if it even tested before the mod.
Kenny
tablejockey
3,935 posts
 
Kennythekey-
The MR71 looks great in that maple case. Is that a Mcab.com custom?

My later model is looking tired and shedding.
I like the look of the base instead of footers also.

Your RM modded 71 must sound amazing. My stock box plays great. It has been refreshed/NOS tubed. I have the RM mod on the wish list. 

kennythekey
593 posts
 
tablejockey,

The cabinet was made by High Quality Reproduction Cabinets who specialize in the classics. They offer almost any veneer, and I wanted the Birdseye Maple. Extremely happy with their work, and I still have an original Walnut cabinet that I picked up, but it's also a little tired looking.

When I get it hooked up, I will seek some advice about tubes for rolling, because I can't even tell you what's in it now.
Kenny

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