1947 Little Giant Super Uses Permeability Tuning Unit

1947 Little Giant Super Uses Permeability Tuning Unit

Popular Mechanics March 1947

Little Giant Broadcast Receiver Construction Series

nice design that uses permeability tuning – an often overlooked tuning method in tube and transistor receivers, worth a look for the permeability tuning by itself

Tubes used 12SA7GT, 12SK7GT, 12SQ7GT, 35Z5

1947 Little Giant Super Uses Permeability Tuning Unit Science March 1947

Little Giant Broadcast Receiver Construction Series