• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Shack (Tandy, Realistic, Micronta); USA

• Year
• 1994–1998

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 335873

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• PLL, Phase-locked loop

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 120 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TM-155 Cat. No.= 31-1958 - Radio Shack Tandy, Realistic,

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 9 x 2.5 x 6 inch / 229 x 64 x 152 mm

• Notes

• Rebranded to Optimus in 1995.

  Made in Taiwan

• Price in first year of sale
• 59.99 USD

• Mentioned in
• Radio Shack Catalog (1994, page 7)

• Author
• Model page created by David Erali. See "Data change" for further contributors.

• Other Models

• Here you find 1300 models, 1182 with images and 130 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Shack (Tandy, Realistic, Micronta); USA