- Country
- Australia
- Manufacturer / Brand
- Amalgamated Wireless (Australasia) Ltd. (AWA); Sydney
- Year
- 1939
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 168174
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 9
- Main principle
- Superhet with RF-stage; ZF/IF 460 kHz; 3 AF stage(s)
- Tuned circuits
- 7 AM circuit(s)
- Wave bands
- Broadcast and Short Wave (SW).
- Power type and voltage
- Alternating Current supply (AC) / 200-260 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12 inch = 30.5 cm
- Power out
- 8 W (unknown quality)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Radiola 280 - Amalgamated Wireless
- Shape
- Console with Push Buttons.
- Notes
-
The Radiola 280, eight-valve* world range console with electric keyboard tuning.
Features:
- Extreme sensitivity and selectivity, Long-distance reception.
- World Range -Local, Interstate, and Overseas Stations.
- Radiola electric tuning
- New high-fidelity 12" loudspeaker
- Supergain chassis
- Convex quadrant dial,
- Concentric controls
- Magic Eye-tuning condenser
- Improved automatic volume control
- Stabilised oscillator
- Air trimmers
- Magnetic frequency-locked circuits
- Multi-purpose "G" type valves,
- Variable selectivity tone monitor
- Acoustically correct cabinet
- Automatic tone compensation
- Ceramic temperature compensation
- Impregnated components
- Phonograph terminals.
*The 6U5 tuning indicator was not included in the valve count.
- Price in first year of sale
- 49.00 Aus£
- Circuit diagram reference
- Australian Official Radio Service Manual Vol. III
- Literature/Schematics (1)
- Radio & Electrical Retailer, Australia (10/3/39 Also in Mingay's Radio Diagram & I.F. Index)
- Literature/Schematics (2)
- -- Original prospect or advert (Recorder (SA) Jun 1, 1939 Page 4)
- Author
- Model page created by Stuart Irwin. See "Data change" for further contributors.
- Other Models
-
Here you find 1419 models, 826 with images and 433 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Amalgamated Wireless (Australasia) Ltd. (AWA); Sydney