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Gels for elder Macs

T

Thoan

New Member
This is not another blue gel (filter, in factory parlance) thread. I have three units at issue.

The Mac 1500 receiver came with a green meter gel. Does anyone know what the correct replacement is? (As an aside, perhaps I should try a blue gel -- the existing, but worn-out, green in not particularly pleasant.) I assume the dial lighting is unfiltered . . .

Not sure what color gel(s) the dial glass and meter lamp uses in my MR65B. Anyone know?

Finally, what color gel does the C22 panel light use? I put in a blue one and it looks really nice, but it might not be "correct."
 
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Thoan said:
This is not another blue gel (filter, in factory parlance) thread. I have three units at issue.

The Mac 1500 receiver came with a green meter gel. Does anyone know what the correct replacement is? (As an aside, perhaps I should try a blue gel -- the existing, but worn-out, green in not particularly pleasant.) I assume the dial lighting is unfiltered . . .

Not sure what color gel(s) the dial glass and meter lamp uses in my MR65B. Anyone know?

Finally, what color gel does the C22 panel light use? I put in a blue one and it looks really nice, but it might not be "correct."
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Perhaps call the parts dept at McIntosh. Or Audioclassics. I was fortunate enough that MC parts had a gel for my MC 2255 on hand. There are definite variations gradually changing from a green tone to more blue over the years.
 
These are good points. The problem is that, for some applications, either I don't know what's supposed to be installed or, in the Mac1500, the gel is too degraded to be a reliable guide. Was hoping someone here would know the answer without troubling Mac or Audio Classics, but trouble them I must.
 
We used Rosco filters as they held up under heat better than the Lee filters. It was a medium green I think we used on the tube stuff from the 60's, But I am sure Steve or Ryan can help you at Audio Classics. As the years passed the meters went from a medium green like my 2505 and got more blue. There is even a distinct difference from 08 MC 207 to my 2020 MC 207. The MC 830's are just pure blue using LED lighting.
 
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