• Country
• United States of America (USA)

• Manufacturer / Brand
• Rock-Ola Manufacturing Corporation (Rockola); Chicago, IL

• Year
• 1975 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 262647

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Magnetic Pre-Amplifier 40201-2-A - Rock-Ola Manufacturing

• Shape
• Chassis only or for «building in»

• Notes

• Stereo. Fits to the Rock-Ola Transistor Stereo Amplifier 40218-3-A (top right of chassis).

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 65 models, 52 with images and 9 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Rock-Ola Manufacturing Corporation (Rockola); Chicago, IL