• Country
• United States of America (USA)

• Manufacturer / Brand
• Ports Radio Mfg. Co.; Fresno, California

• Year
• 1922

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 304431

• • Brand: Prmco

• Number of Tubes
• 1

• Valves / Tubes
• UV201

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: PRMCO Amplifier Unit - Ports Radio Mfg. Co.; Fresno,

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 5 x 6 x 0 inch / 127 x 152 x 0 mm

• Notes

• Ports Radio Manufacturing Company PRMCO Amplifier Unit

• Price in first year of sale
• 15.00 $

• Mentioned in
• Radio (magazine) (October, 1922 Radio magazine page 62)

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 9 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ports Radio Mfg. Co.; Fresno, California