5W646 ab Nr. 18684

• Country
• Germany

• Manufacturer / Brand
• Blaupunkt (Ideal), Berlin, später Hildesheim

• Year
• 1946–1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 672

• • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
  • Brand: Rotstern

• Picture
• Schematics

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

• Number of Tubes
• 5

• Valves / Tubes
• ECH4 EF9 or AF3 EF9 or AF7 EBL1 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 473 kHz

• Tuned circuits
• 6 AM circuit(s)

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

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 18 cm = 7.1 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: 5W646 [ab Nr. 18684] - Blaupunkt Ideal, Berlin,

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

• Dimensions (WHD)
• 430 x 360 x 245 mm / 16.9 x 14.2 x 9.6 inch

• Notes

• Schwundausgleich auf 2 Röhren wirkend, 4 stufige Tonblende, Anschlüsse für TA und Zweitlautsprecher

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange + Schenk Nr. 30 von 1948

• Mentioned in
• Funkschau (4807)

• Literature/Schematics (1)
• Lange / Nowisch, "Empfängerschaltungen der Radioindustrie" (Band 1 S.179 (5. Aufl. 1954))

• Other Models

• Here you find 3589 models, 3277 with images and 2329 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim