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
- Radiomuseum.org ID
- 309232
Farmers Radio Bus Amp Mic
- Main principle
- Audio-Amplification
- Tuned circuits
- 1 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Direct Current supply (DC) / 6 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Power out
- 5 W (undistorted)
- Material
- Metal case
- from Radiomuseum.org
- Model: Roadmaster Radio-Amplifier RA7-310 - Farmers Radio Service Co.
- 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)
- Author
- Model page created by Keith Ellison. See "Data change" for further contributors.
- Other Models
-
Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Farmers Radio Service Co. (Roadmaster); Adelaide, SA
Collections
The model Roadmaster Radio-Amplifier is part of the collections of the following members.