Opus 2550 Hi-Fi

• Country
• Germany

• Manufacturer / Brand
• Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH

• Year
• 1964–1966

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 25728

• Picture
• Schematics

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

• Number of Tubes
• 14

• Valves / Tubes
• ECC85 ECH81 EF89 EAF801 EM84 ECC808 ECC808 ECC83 ECC83 EL95 EL95 EL95 EL95 ECF80

• Number of Transistors
• 1

• Semiconductors
• AC117 B220C600 E15C125

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz

• Tuned circuits
• 8 AM circuit(s)     12 FM circuit(s)

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

• Details
• Hi-Fi equipment

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

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

• Power out
• 16 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Opus 2550 Hi-Fi - Telefunken Deutschland TFK,

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 650 x 255 x 270 mm / 25.6 x 10 x 10.6 inch

• Notes
• Telefunken Steuergerät Opus 2550 Hi-Fi.
  Vollstereo, NF-Verstärker mit zwei Endstufen je 8 W; Frequenzbereich: 40–20000 Hz; drehbare Ferritantenne, KW-Lupe.
  Ausführungen: Nussbaum hell matt oder Teak geölt.

• Net weight (2.2 lb = 1 kg)
• 15 kg / 33 lb 0.6 oz (33.04 lb)

• Price in first year of sale
• 979.00 DM

• External source of data
• Erb

• Mentioned in
• HdB d.Rdf-& Ferns-GrH 1964/65 (und 1965/66)

• Literature/Schematics (1)
• -- Original-techn. papers.

• Other Models

• Here you find 3546 models, 3126 with images and 2095 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH