• Country
• Germany

• Manufacturer / Brand
• Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München

• Year
• 1993

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 75910

Audio (to hear)

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superhet, double/triple conversion; ZF/IF 49995/450 kHz

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Line / Batteries (any type) / 220/4x1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Power out
• 2 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: RK770 - Siemens & Halske, -Schuckert

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 300 x 190 x 70 mm / 11.8 x 7.5 x 2.8 inch

• Notes
• Nachfolger des RK 670. Wurde auch vom eigentlichen Hersteller SANGEAN unter der Modellbezeichnung ATS-818CS vertrieben.

• Net weight (2.2 lb = 1 kg)
• 2 kg / 4 lb 6.5 oz (4.405 lb)

• Price in first year of sale
• 499.00 DM

• Literature/Schematics (1)
• -- Original prospect or advert

• Author
• Model page created by Thorsten Brandenburg. See "Data change" for further contributors.

• Other Models

• Here you find 2523 models, 2120 with images and 1334 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München