• Country
• Denmark

• Manufacturer / Brand
• Eltra; Frederiksberg

• Year
• 1955 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 249194

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

• Number of Tubes
• 6

• Valves / Tubes
• UCH81 UCH21 UCH21 UABC80 UM4 UBL21

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

• Main principle
• Superheterodyne (common); ZF/IF 444/9700 kHz

• Tuned circuits
• 6 AM circuit(s)     8 FM circuit(s)

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Power type and voltage
• AC/DC-set / 110; 127; 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Air Prince FM-AM 935 - Eltra; Frederiksberg

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

• Dimensions (WHD)
• 495 x 300 x 225 mm / 19.5 x 11.8 x 8.9 inch

• Notes

• The depth is the maximum depth of the cabinet. The knobs protrude out from the cabinet to a maximum total dept of 240 mm. The set has a slanted shape and the minimum depth (at top) is 205 mm

  The phono input has separate and replaceable adapters in a can at the top of the chassis for high impedance (resistor/capacitor network) and low impedance (af transformer) pick-up's.

  The schematic shows a base diagram for the rectifier valve UY1N, but according to the real circuit diagram the receiver is equipped with a metal (selenium) rectifier.

• Net weight (2.2 lb = 1 kg)
• 8.220 kg / 18 lb 1.7 oz (18.106 lb)

• Source of data
• -- Collector info (Sammler)

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

• Other Models

• Here you find 40 models, 37 with images and 21 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Eltra; Frederiksberg