• Country
• Germany

• Manufacturer / Brand
• Rohde & Schwarz, PTE; München

• Year
• 1949–1951

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 16834

• • alternative name: Messgerätebau Memmingen || Physikalisch-Technisches Entwicklungslabor Dr. Rohde & Dr. Schwarz

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

• Number of Tubes
• 8

• Valves / Tubes
• EF41 ECH42 EAF42 EAF42 EL41 EL41 EF41 EZ40

• Number of Transistors

• Semiconductors
• 32/1NT12

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

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

• Material
• Metal case

• from Radiomuseum.org
• Model: Omnibusanlage ESA50 - Rohde & Schwarz, PTE; München

• Dimensions (WHD)
• 190 x 170 x 155 mm / 7.5 x 6.7 x 6.1 inch

• Notes
• Kontroll-Lautsprecher eingebaut, Anschluss für 4 Lautsprecher zum Einbau in den Omnibus (Stückpreis 40,50 DM); Mikrofon-Anschluss (Mehrpreis für dyn. Mikro mit Umhängevorrichtung 142,- DM).

• Price in first year of sale
• 795.00 DM

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

• Source of data
• Kat.d. Rundf.Gr.Handel 1950/51

• Circuit diagram reference
• Lange-Nowisch

• Mentioned in
• Funk-Technik (FT) (5114)

• Other Models

• Here you find 550 models, 506 with images and 253 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Rohde & Schwarz, PTE; München