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Old 02-16-2022, 08:54 PM
bandersen's Avatar
bandersen bandersen is offline
RCA 741PCS
 
Join Date: Mar 2009
Location: Chicago, IL
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Only shielding the rear portion seems to be the norm. Usually it's aluminum, but the Admiral is more substantial. Not sure if it's mu-metal though.

Note that Admiral is the only 7" set I have that uses a power transformer which makes me lean towards mu-metal.



Emerson and Airline examples using aluminum


Hallicrafters didn't bother and National didn't bother.
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Last edited by bandersen; 02-16-2022 at 09:32 PM.
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