• Country
• Germany

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

• Year
• 1955

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 108205

• • 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
• 7

• Valves / Tubes
• EAF42 EAF42 EF804S EF804S EF804S ECC40 EB41 7475

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Begrenzungsverstärker U23 - Rohde & Schwarz, PTE; München

• Shape
• Chassis only or for «building in»

• Notes
• Studiotechnik; verhindert Übersteuerung.

• Net weight (2.2 lb = 1 kg)
• 14 kg / 30 lb 13.4 oz (30.837 lb)

• Mentioned in
• -- Original-techn. papers.

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• 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