Duoforte Forty-Five Ch= C74/80; Power Unit=D22
Amalgamated Wireless (Australasia) Ltd. (AWA); Sydney
- Country
- Australia
- Manufacturer / Brand
- Amalgamated Wireless (Australasia) Ltd. (AWA); Sydney
- Year
- 1930
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 164060
From the Barry Poor Collection
From the Stephen Thomas collection
From the Stephen Thomas collection
From the Stephen Thomas collection
From the Stephen Thomas collection
From the Stephen Thomas collection.
From the Stephen Thomas collection
From the Stephen Thomas collection
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Main principle
- TRF without regeneration; 1 AF stage(s); Screengrid 1926-1935
- Wave bands
- Broadcast only (MW).
- Details
- Record Player (not changer)
- Power type and voltage
- Alternating Current supply (AC) / 190-270 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Duoforte Forty-Five Ch= C74/80; Power Unit=D22 - Amalgamated Wireless
- Shape
- Console, Lowboy (legs < 50 %).
- Notes
-
5 Valve, AC powered, screen grid, TRF Radiogram with Linear Power Detection and one audio stage.
Chassis:
The chassis is has provision for the local/distance switch, Radio/Phono change over switch and volume control to be extended to the left side of the chassis. The Power Unit is the same as the Radiola Forty-Five except there is no provision for a Magnetic Loud Speaker.The receiver circuit is also used in the Radiola Forty-Five.
Phonograph:
An electric motor driven turntable with automatic stop, high grade tonearm and speed control.Cabinet:
The console cabinet is made from Queensland Maple veneer with no doors.
There is an ident on the side for the Local/Distance and Radio/Phono switches.
The volume control is mounted on the left of the cabinet.
- Price in first year of sale
- 79.00 Aus£
- Literature/Schematics (1)
- - - Manufacturers Literature (AWA Radiola service Instruction 1930)
| AWA Duoforte Forty-Five Pamphlet | 688 KB | |
| AWA Duoforte Forty Five C74 Data | 72 KB |
- Documents regarding this model
- Author
- Model page created by Stuart Irwin. See "Data change" for further contributors.
- Other Models
-
Here you find 1421 models, 846 with images and 453 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Amalgamated Wireless (Australasia) Ltd. (AWA); Sydney