• Country
• Germany

• Manufacturer / Brand
• Graetz, Altena (Westfalen)

• Year
• 1951/1952

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 25313

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

• Number of Tubes
• 8

• Valves / Tubes
• EF42 ECH42 EF43 EAF42 EM34 EB41 EAF42 EL41

• Number of Transistors

• Semiconductors
• 300B100L

• Main principle
• Superheterodyne (common); ZF/IF 472(468)/1 kHz

• Tuned circuits
• 7 AM circuit(s)     9 FM circuit(s)

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

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Power out
• 6 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 158W - Graetz, Altena Westfalen

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

• Dimensions (WHD)
• 600 x 370 x 295 mm / 23.6 x 14.6 x 11.6 inch

• Notes
• Selengleichrichter 300B 100LS Sparschaltung zur Verminderung der Leistungsaufnahme durch Umschaltung der Primärwicklungen. KW - Lupe.

• Net weight (2.2 lb = 1 kg)
• 14.2 kg / 31 lb 4.4 oz (31.278 lb)

• External source of data
• Wiesmüller

• Source of data
• Lange, Schaltungen der Funkindustrie

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

• Other Models

• Here you find 770 models, 690 with images and 593 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graetz, Altena (Westfalen)