• Country
• United States of America (USA)

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

• Year
• 1974

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 336185

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

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

• Power out
• 90 W (max.)

• Material
• Wooden case

• from Radiomuseum.org
• Model: QA-681 Cat. No.= 31-4006 - Radio Shack Tandy, Realistic,

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 14.125 x 4 x 11.75 inch / 359 x 102 x 298 mm

• Notes

• Made in Japan

• Price in first year of sale
• 199.95 USD

• Mentioned in
• Radio Shack Catalog (1974, page 19)

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

• Other Models

• Here you find 1299 models, 1181 with images and 117 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Shack (Tandy, Realistic, Micronta); USA