• Country
• Germany

• Manufacturer / Brand
• John-Radio KG, Apolda/Thür. (Ostd.)

• Year
• 1954/1955

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 15145

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

• Number of Tubes
• 4

• Valves / Tubes
• UCH11 UBF11 UEL51 UM11

• Number of Transistors

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

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

• Tuned circuits
• 8 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• AC/DC-set / 220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 20 cm = 7.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: J8 - John-Radio KG, Apolda/Thür.

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

• Dimensions (WHD)
• 604 x 400 x 280 mm / 23.8 x 15.7 x 11 inch

• Notes
• Vorläufer des J8-UK, noch mit Stahlröhren, aber sonst identischer Chassis- und Gehäuseaufbau. 2-stufiger Bandbreitenschalter.

• Net weight (2.2 lb = 1 kg)
• 12.2 kg / 26 lb 14 oz (26.872 lb)

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Historische Radios Band IV (189)

• Literature/Schematics (1)
• Funkverlag Hein Service-DVD

• Other Models

• Here you find 8 models, 6 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from John-Radio KG, Apolda/Thür. (Ostd.)