- Country
- Australia
- Manufacturer / Brand
- Crammond Radio Manufacturing Co. PTY.(Melton & Co.); Brisbane
- Year
- 1949 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 264198
- Number of Tubes
- 7
- Main principle
- Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s); none
- Tuned circuits
- 9 AM circuit(s)
- Wave bands
- Broadcast plus more than 2 Short Wave bands.
- Power type and voltage
- Dry Batteries / 1.5 & 2 x 45 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Material
- Leather / canvas / plastic - over other material
- from Radiomuseum.org
- Model: 733 - Crammond Radio Manufacturing
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 15.25 x 11.25 x 7 inch / 387 x 286 x 178 mm
- Notes
-
This set has 5 bands: Medium Wave, 1 Short Wave band with 3 Bandspread bands.
Medium wave, 550 kHz to 1600 kHz.
Short Wave 1, 2 MHz to 6 MHz,
Bandspread band 1, 9.4 MHz to 10.1 MHz
Bandspread band 2, 11.5 MHz to 12.3 MHz
Bandspread band 3, 14.8 MHz to 15.8 MHz.The audio output used push pull operation. Valves 3V4-3V4 with the 1S5 as a voltage amplifier-phase splitter.
The I.F stage uses two 1T4 valves and three double tuned transformers.
- Net weight (2.2 lb = 1 kg)
- 5.8 kg / 12 lb 12.4 oz (12.775 lb)
- Mentioned in
- Photographic image
- Author
- Model page created by Kenneth Walker. See "Data change" for further contributors.
- Other Models
-
Here you find 59 models, 16 with images and 24 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Crammond Radio Manufacturing Co. PTY.(Melton & Co.); Brisbane