• Country
• United States of America (USA)

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

• Year
• 1998

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 365826

• 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
• 100 W (undistorted)

• Material
• Metal case

• from Radiomuseum.org
• Model: Optimus 100-Watt Rack-Mountable PA Amplifier with Microphone Mixer MPA-125 - Radio Shack Tandy, Realistic,

• Shape
• Rack

• Dimensions (WHD)
• 19 x 4 x 10.5 inch / 483 x 102 x 267 mm

• Price in first year of sale
• 249.99 USD

• Mentioned in
• Radio Shack Catalog (1999 page 128 "NEW" "Available November, 1998"; 2000 page 156)

• Author
• Model page created by Glen Orriss. See "Data change" for further contributors.

• Other Models

• Here you find 2786 models, 2717 with images and 167 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Shack (Tandy, Realistic, Micronta); USA