Please read important information below! Unless stated otherwise above. Broadcast Receiver – or past WW2 Tuner. Superheterodyne (common); ZF/IF 455 kHz. Power type and voltage. Dry Batteries / 3 x 1,5 & 67,5 Volt. Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3 inch = 7.6 cm. Emerson Canada; Toronto. Radio College of Canada. Emerson Pages 16, 17, 18. Model page created by. Hans-Joachim Korn? 16.11.15. See “Data change” for further contributors. Here you find 55 models, 29 with images and 49 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.