- Country
- New Zealand-Aotearoa
- Manufacturer / Brand
- Cromwell, Gulbransen (NZ), Pacemaker, (Brands) Clarke, H. W.; Wellington
- Year
- 1935 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 335465
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Main principle
- Superhet with RF-stage; ZF/IF 456 kHz; 2 AF stage(s)
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast and Short Wave (SW).
- Power type and voltage
- Alternating Current supply (AC) / 230 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
- Material
- Wooden case
- from Radiomuseum.org
- Model: Gulbransen 7J - Cromwell, Gulbransen NZ,
- Shape
- Tablemodel, high profile (upright - NOT Cathedral nor decorative).
- Dimensions (WHD)
- 380 x 480 x 265 mm / 15 x 18.9 x 10.4 inch
- Notes
-
7-valve superhet with RF stage.
An export version of the Wells-Gardner & Co; Chicago Model 7J modified to work on 230 VAC
- Mentioned in
- More Golden Age of Radio (Page 179 (Model 7K variant))
- Author
- Model page created by Brian Stevens. See "Data change" for further contributors.
- Other Models
-
Here you find 114 models, 110 with images and 101 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Cromwell, Gulbransen (NZ), Pacemaker, (Brands) Clarke, H. W.; Wellington
Collections
The model Gulbransen is part of the collections of the following members.