|Year: 1970 ??||Type: Broadcast Receiver - or past WW2 Tuner|
|Semiconductors (the count is only for transistors)||Semiconductors present.|
|Principle||Super-Heterodyne (Super in general)|
|Wave bands||Wave Bands given in the notes.|
|Power type and voltage||Dry Batteries / 8 x 1,5 Volt|
|Loudspeaker||Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)|
|from Radiomuseum.org||Model: Direction Finder Ray-DF - Raytheon Mfg. Co.; Cambridge,|
|Material||Modern plastics (no Bakelite or Catalin)|
|Shape||Portable set > 8 inch (usable without mains)|
|Notes||Raytheon Radio Ray-DF Direction Finder, FM/AM 5 Band;
LF/LW: 180 ... 400 KHz,
BC/AM/MW: 540 ... 1600 KHz,
MF/MB: 1.6 ... 4.0 MHz,
FM: 86 ... 109 MHz,
VHF: 146 ... 176 MHz,
Dial lamp, DF level control, BFO, DF level meter, separate AM & FM/VHF band selector, telescopic & swivel ferrite rod for navigation on top with compass rose, earphones jack, carrying strap, swivel stand, made in Japan.
Model page created by a member from A. See "Data change" for further contributors.
All listed radios etc. from Raytheon Mfg. Co.; Cambridge, USA (also tubes)
Here you find 140 models, 122 with images and 58 with schematics for wireless stes etc. French TSF for Télégraphie sans fil.