• Country
• Finland

• Manufacturer / Brand
• Helkama-Radio Oy; Hanko

• Year
• 1959 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 366586

• • Brand: Ergo

• Number of Tubes
• 6

• Valves / Tubes
• ECC85 ECH81 EF89 EABC80 EM80 EL84

• Number of Transistors

• Semiconductors
• SR250B75

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Alternating Current supply (AC) / 125; 220; 240 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21 cm = 8.3 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: HR-3D 7800 W - Helkama-Radio Oy; Hanko

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 583 x 366 x 268 mm / 23 x 14.4 x 10.6 inch

• Notes

• Selenium rectifier: SR250B75

• Author
• Model page created by Timo Rantasaari. See "Data change" for further contributors.

• Other Models

• Here you find 57 models, 49 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Helkama-Radio Oy; Hanko