• Country
• United States of America (USA)

• Manufacturer / Brand
• Pierson Electronic Co.; L.A.

• Year
• 1946/1947

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 112158

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

• Number of Tubes
• 20

• Valves / Tubes
• 7A7 7A7 7B8 7B5 7A7 6L7 7H7 7A4 7B4 7C7 7Y4 7A6 7H7 7A7 7A7 7C7 7C7 7C5 7C5 5U4

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet. / Ø 10 inch = 25.4 cm

• Power out
• 12 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: KP-81 - Pierson Electronic Co.; L.A.

• Shape
• Tablemodel, low profile (big size).

• Notes
• Professional Communication Receiver; 5 bands, coverage 0,54 to 40 MHz, audio filters, moveable coil tank, band spread, S-meter. Separate power chassis with AF output and speaker. Less than 300 built.

• Price in first year of sale
• 318.00 $

• Source of data
• Communications Receivers

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pierson Electronic Co.; L.A.