• Country
• United States of America (USA)

• Manufacturer / Brand
• Pilot Electric Mfg. Co. (Radio Corp.); Brooklyn (NY)

• Year
• 1929 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 51763

• • alternative name: Pilot Radio & Television || Pilot Radio and Tube || Pilot Radio Corporation

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 3

• Valves / Tubes
• unknown_Tube CX171 CX171

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• from Radiomuseum.org
• Model: Power Amplifier 171 - Pilot Electric Mfg. Co. Radio

• Notes
• The "171" power amplifier is used in combination with the "171" power supply unit; internal mains supply for "A" voltage, external power supply unit for "B" voltage (135 and 220 V).

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

• Other Models

• Here you find 543 models, 270 with images and 408 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pilot Electric Mfg. Co. (Radio Corp.); Brooklyn (NY)