[Premium-Rx] Uses the most advanced single conversion superheterodyne circuit design

Terry O' watkins-johnson at terryo.org
Sun May 16 08:25:56 EDT 2021

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There is a Grundig shortwave radio for sale on Amazon advertised this way:

"Uses the most advanced single conversion superheterodyne circuit design"

Did I miss something?  What's the big advance?

Terry O'

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