• Country
• United States of America (USA)

• Manufacturer / Brand
• P & M Radio Company; Niles, OH

• Year
• 1921

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 197605

• Number of Tubes
• 1

• Valves / Tubes
• VT-Class-II or A_Moorhead or UV201

• Main principle
• Audio-Amplification; 1 AF stage(s)

• Wave bands
• - without

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

• Loudspeaker
• - This model requires external speaker(s).

• Material
• TUBES VISIBLE, material not known.

• from Radiomuseum.org
• Model: Audio Amplifier Panel Type D - P & M Radio Company; Niles, OH

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 6 x 7.25 x 0 inch / 152 x 184 x 0 mm

• Notes
• The P & M Radio Company Type D Audio Amplifier Panel

• Price in first year of sale
• 18.00 $

• Literature/Schematics (1)
• February 1921 QST magazine advertisement page 100

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

• Other Models

• Here you find 5 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from P & M Radio Company; Niles, OH