• Country
• Germany

• Manufacturer / Brand
• Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München

• Year
• 1937–1939

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 5360

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

• Number of Tubes
• 5

• Valves / Tubes
• AF7 RE604 RS241 RS241 RGQZ1,4

• Number of Transistors

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

• Main principle
• Audio-Amplification; 3 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 150; 220 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 20 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: SV20aW - Siemens & Halske, -Schuckert

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 460 x 205 x 315 mm / 18.1 x 8.1 x 12.4 inch

• Notes
• Eingangs-Steuerspannung: 80 mV; Ausgangs-Impedanz: 15 und 140 Ohm.

• Net weight (2.2 lb = 1 kg)
• 18.5 kg / 40 lb 12 oz (40.749 lb)

• Price in first year of sale
• 561.00 RM

• Source of data
• Handbuch WDRG 1937 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange + FS-Bestückungstabellen

• Other Models

• Here you find 2521 models, 2118 with images and 1334 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München