Courtesy of Ed Dessau
RF booster, removed from our GE HM-185. There is most likely a tube inside. It was probably made after the war, based on the 300 ohm twinlead, which wasn't available prewar.
Courtesy of Ed Dessau
RF booster, removed from our GE HM-185. There is most likely a tube inside. It was probably made after the war, based on the 300 ohm twinlead, which wasn't available prewar.