• Country
• United States of America (USA)

• Manufacturer / Brand
• Turner Co. (The); Cedar Rapids (IA)

• Year
• 1978 ??

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 195757

• • Brand: Colortone

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Plus Three B - Turner Co. The; Cedar Rapids

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 100 x 240 x 150 mm / 3.9 x 9.4 x 5.9 inch

• Notes

• Amplified Microphone Plus Three B for CB and Amateur radios.
  Built-in preamp, adjustable gain, TX (PTT) with lock-key.
  
  "B" signifies black housing.

• Net weight (2.2 lb = 1 kg)
• 0.9 kg / 1 lb 15.7 oz (1.982 lb)

• Author
• Model page created by Karlheinz Fischer. See "Data change" for further contributors.

• Other Models

• Here you find 74 models, 57 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Turner Co. (The); Cedar Rapids (IA)