• Country
• Germany

• Manufacturer / Brand
• Loewe-(Opta); Deutschland

• Year
• 1951

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 148149

• • alternative name: Löwe Radio

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

• Number of Tubes
• 4

• Valves / Tubes
• ECH4 ECF12 EL11 EFM11

• Number of Transistors

• Semiconductors
• Tr.Gl.=Metal-rectif.

• Main principle
• Superheterodyne (common); ZF/IF 473 kHz; 2 AF stage(s); Super Regenerativ

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

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

• Details
• Other Recorder/Player

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 150; 220; 240 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Tefi-Sonate 2651WT [Mit UKW] - Loewe-Opta; Deutschland

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

• Dimensions (WHD)
• 560 x 385 x 400 mm / 22 x 15.2 x 15.7 inch

• Notes
• Loewe Opta Sonate 2651WT.
  Schallbandspieler Tefifon B51 eingebaut.
  Funktionsprinzip bei UKW: Pendelrückkopplungs-Audion.
  Rückwand kann auch mit "Sonate WPh" und Zusatz "Tefi" bedruckt sein. Typ 2651WT laut orig. Schema.

• Net weight (2.2 lb = 1 kg)
• 30 kg / 66 lb 1.3 oz (66.079 lb)

• Source of data
• - - Data from my own collection

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

• Author
• Model page created by Rudolf Osterkamp. See "Data change" for further contributors.

• Other Models

• Here you find 1638 models, 1378 with images and 1185 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Loewe-(Opta); Deutschland