• Country
• Germany

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

• Year
• 1969

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 82675

• • 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 Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superhet, double/triple conversion; ZF/IF 525/40525 kHz

• Wave bands
• Broadcast, Long Wave and more than two Short Wave bands.

• Power type and voltage
• Line / Batteries (any type) / 115, 125, 220, 235 / 24 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Power out
• 2 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: VLF-HF-Empfänger EK 56 - Rohde & Schwarz, PTE; München

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 484 x 194 x 507 mm / 19.1 x 7.6 x 20 inch

• Notes
• Frequenzbereich 10 - 30000 kHz, lineare Analoganzeige mit Ablesegenauigkeit 1 kHz;
  coverage 10 - 30000 kHz, linear analog readout; AM, LSB,USB, CW ,A1-Überlagerer 0 ... +/-2000 Hz einstellbar, A1-Filter 1000 Hz mit Bandbreite 200 Hz abschaltbar, bei F3-Demodulation Gesamtbandbreite +/-6000 Hz, Abmessungen gelten für Kastengerät, als 19"-Einschub 483x177x470 mm mit einem Gewicht von 28,0 Kg, Batteriebetrieb 24V, (22...31V/1,8...2,5A)

• Net weight (2.2 lb = 1 kg)
• 32.5 kg / 71 lb 9.4 oz (71.586 lb)

• Source of data
• Shortwave Receivers - Past & Present (3rd ed.)

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

• Literature/Schematics (2)
• - - Manufacturers Literature (Neues von Rohde & Schwarz Nr. 37, S.23 ff., Juni/Juli 1969)

• Author
• Model page created by Martin Bösch. 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