• Country
• United States of America (USA)

• Manufacturer / Brand
• Hallicrafters, The; Chicago, IL and Arlington/Grand Prairie, TX

• Year
• 1969–1974

• Category
• RF (Radio Frequency-) Amplifier

• Radiomuseum.org ID
• 86318

• Number of Transistors
• 3

• Semiconductors

• Main principle
• Radio Frequency Amplification only

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt

• Material
• Metal case

• from Radiomuseum.org
• Model: OPS/PA-20 - Hallicrafters, The; Chicago,

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes
• 20 watts solid state FM and CW RF power amplifier, frequency range from 146 to 170 MHz, can be attached to the transceiver with clips, for use with the FM-5 series transceivers.

• Source of data
• Radios by hallicrafters

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

• Other Models

• Here you find 922 models, 472 with images and 520 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hallicrafters, The; Chicago, IL and Arlington/Grand Prairie, TX