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Roadmaster Radio-Amplifier RA7-310

Roadmaster Radio-Amplifier RA7-310; Farmers Radio (ID = 2372549) Ampl/Mixer Roadmaster Radio-Amplifier RA7-310; Farmers Radio (ID = 2372550) Ampl/Mixer
Roadmaster Radio-Amplifier RA7-310; Farmers Radio (ID = 2372551) Ampl/Mixer Roadmaster Radio-Amplifier RA7-310; Farmers Radio (ID = 2372552) Ampl/Mixer
Roadmaster Radio-Amplifier RA7-310; Farmers Radio (ID = 2372553) Ampl/Mixer Roadmaster Radio-Amplifier RA7-310; Farmers Radio (ID = 2374531) Ampl/Mixer
Roadmaster Radio-Amplifier RA7-310; Farmers Radio (ID = 2374532) Ampl/Mixer Roadmaster Radio-Amplifier RA7-310; Farmers Radio (ID = 2374533) Ampl/Mixer
Roadmaster Radio-Amplifier RA7-310; Farmers Radio (ID = 2374534) Ampl/Mixer Roadmaster Radio-Amplifier RA7-310; Farmers Radio (ID = 2401211) Ampl/Mixer
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Roadmaster Radio-Amplifier RA7-310; Farmers Radio (ID = 2372549) Ampl/Mixer
Farmers Radio: Roadmaster Radio-Amplifier RA7-310 [Ampl/Mixer] ID = 2372549 1400x865
Select picture or schematic to display from thumbnails on the right and click for download.
For model Roadmaster Radio-Amplifier RA7-310, Farmers Radio Service Co. (Roadmaster); Adelaide, SA
 
Country:  Australia
Manufacturer / Brand:  Farmers Radio Service Co. (Roadmaster); Adelaide, SA
Year: 1948 Category: Audio Amplifier or -mixer
Main principle Audio-Amplification
Tuned circuits 1 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Direct Current supply (DC) / 6 Volt
Loudspeaker - This model requires external speaker(s).
Power out 5 W (undistorted)
from Radiomuseum.org Model: Roadmaster Radio-Amplifier RA7-310 - Farmers Radio Service Co.
Material Metal case
Dimensions (WHD) 320 x 200 x 220 mm / 12.6 x 7.9 x 8.7 inch
Notes

Bus radio-amplifier with Zepher 65 series crystal microphone (normally on goose neck).

Used by bus drivers to as a radio and a PA to address passengers.

Farmers Radio also manufactured a strap on plate for the Zephyr 65 Microphone that would go around the neck and sit on the wearer's chest.

Net weight (2.2 lb = 1 kg) 8.8 kg / 19 lb 6.1 oz (19.383 lb)

Model page created by Keith Ellison. See "Data change" for further contributors.



All listed radios etc. from Farmers Radio Service Co. (Roadmaster); Adelaide, SA
Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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