• Country
• Japan

• Manufacturer / Brand
• Roadstar; Japan

• Year
• 1985 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 250066

• • Brand: Roadstar El. GmbH

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt

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

• Power out
• 100 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Car Amplifier AD 4025 - Roadstar; Japan

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 140 x 36 x 160 mm / 5.5 x 1.4 x 6.3 inch

• Notes

• Amplificatore stereo 2 x 50W for Car radio, doppio ingresso.

   

• Net weight (2.2 lb = 1 kg)
• 0.660 kg / 1 lb 7.3 oz (1.454 lb)

• Author
• Model page created by Giuseppe Tedesco. See "Data change" for further contributors.

• Other Models

• Here you find 95 models, 93 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Roadstar; Japan