WWII Packard-Bell Model K-1 Signal Corps Pre-Amplifier – 28 Volt DC – Aircraft Communications

WWII Packard-Bell Model K-1 Signal Corps Pre-Amplifier – 28 Volt DC – Aircraft Communications

Original World War II Packard-Bell Model K-1 Pre-Amplifier manufactured for the U.S. Signal Corps and marked with Air Ministry Reference No. 110U/60, reflecting Allied wartime use. Operating on 28 volts DC, this aircraft communications component was designed to boost audio signals in military radio and interphone systems. The original identification plate remains crisp and legible, and the unit retains its attached wiring harness and connector. A scarce piece of WWII aviation electronics with both U.S. Signal Corps and British Air Ministry markings, making it an excellent addition to aircraft radio, radar, and military communications collections. Untested and offered as a historical collectible.