• Country
• Sweden

• Manufacturer / Brand
• Stern & Stern (Concerton / Conserton), S&S; Stockholm

• Year
• 1961 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 356787

• Number of Transistors
• 9

• Semiconductors
• OC171 OC171 OC169 OC169 OC169 OC71 OC71 OC74 OC74

• Main principle
• Superheterodyne (common); ZF/IF 460/6750 kHz; 3 AF stage(s)

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Power type and voltage
• Dry Batteries / 4 x 1.5 Volt

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

• Power out
• 0.5 W (max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Conserton B1820T Ch= T7A - Stern & Stern Concerton /

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 280 x 170 x 85 mm / 11 x 6.7 x 3.3 inch

• Notes

• Das Chassis entspricht Philips L3S15A bzw. Dux Sunny B620T

  Lautsprecher 4 x 6 inch / Impedanz 7 Ω

• Net weight (2.2 lb = 1 kg)
• 1.9 kg / 4 lb 3 oz (4.185 lb)

• Author
• Model page created by Roland Michael Steinscherer-Silly. See "Data change" for further contributors.

• Other Models

• Here you find 395 models, 224 with images and 172 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stern & Stern (Concerton / Conserton), S&S; Stockholm