Amplificator Braun model R 4

  Amplificator Braun model R 4 : 5 intrari, 4 iesiri, impedanta 4-16 ohmi, culoare neagra, reglaje bass, treble, balance, loudness, low bass 20 Hz, afisaj, memorii, volum digital, muting, poze reale, Germany.

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• PLL, Phase-locked loop; 2 AF stage(s)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

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

• Power out
• 130 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Atelier R4 Rev 1 - Braun; Frankfurt

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 445 x 70 x 360 mm / 17.5 x 2.8 x 14.2 inch

• Notes
• FM: 87,5 ... 108MHz; AM: 522 .. 1611 kHz.

• Net weight (2.2 lb = 1 kg)
• 9.8 kg / 21 lb 9.4 oz (21.586 lb)

• Price in first year of sale
• 2,600.00 DM

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Reimund REINHARDT. See "Data change" for further contributors.

• Other Models

• Here you find 1048 models, 918 with images and 646 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  ALL LISTED RADIOS ETC. FROM BRAUN; FRANKFURT