• Country
• Germany

• Manufacturer / Brand
• Klangfilm GmbH

• Year
• 1935 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 140512

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 4

• Valves / Tubes
• REN904 REN904 RE604 RGN1064

• Main principle
• Audio-Amplification; 3 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 150; 220; 240 Volt

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

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Tonfilm-Verstärker 31612 - Klangfilm GmbH

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 390 x 130 x 320 mm / 15.4 x 5.1 x 12.6 inch

• Notes
• Klangfilm Typ 31612 ist ein kleiner Kofferverstärker, Netzausgang zum Projektor vorhanden. 3 Eingänge für Fotozelle, Tonabnehmer.

• Net weight (2.2 lb = 1 kg)
• 11 kg / 24 lb 3.7 oz (24.229 lb)

• Author
• Model page created by Bernhard Nagel. See "Data change" for further contributors.

• Other Models

• Here you find 91 models, 54 with images and 43 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Klangfilm GmbH