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Mitchell 1260 lumitone improve midrange
Radioroslyn
Phorum Expert
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Posts: 7,286
Threads: 268
Joined: Dec 2009
City: Roslyn Pa
#2

12-25-2022, 11:16 PM
I would check the speaker or hook a different one to the set. It could be that the cone can't move freely. The values of the caps/resistor look pretty average. If you want to lower the highs increase the value of C-7 to .015 - .02 @630v. You can go larger if you like but it will start to sound muffled.

GL
Terry
When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry
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RE: Mitchell 1260 lumitone improve midrange - by Radioroslyn - 12-25-2022, 11:16 PM



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  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Other Radios (Non-Philco)