- Country
- Great Britain (UK)
- Manufacturer / Brand
- Mullard Wireless, London (see also Mullard Radio Valve)
- Year
- 1929
- Category
- Kit (Parts plus instruction) or building instructions only
- Radiomuseum.org ID
- 235483
- Number of Tubes
- 3
- Main principle
- TRF with regeneration; 1 AF stage(s); Anode bend detection
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Storage and/or dry batteries / 2; 4; 6 & 16 & 100 Volt
- Loudspeaker
- Magnetic loudspeaker (reed) generic.
- Material
- Various materials
- from Radiomuseum.org
- Model: Orgola - Mullard Wireless, London see
- Shape
- Tablemodel, with any shape - general.
- Notes
-
A typical Kit TRF Radio of the "SG Det Pen" type (i.e. Screen Grid (Tetrode) RF, Triode detector and Pentode audio output) of late 1920s / early 1930s
Medium Wave described as "Short Wave".
Gram/P.U. Selection option.
Mullard Model H loudspeaker recommended or Model C with P.M. H.T. Supply unit. (no output transformer, so high impedance headphones, horn or "reed" type speaker).
Power
- Filament/L.T.: The alternate valves/tubes are for 2V, 4V or 6V Accumulator. 30AH Exide recommended.
- Grid Bias: 12V G3 Siemens recommended
- HT: 3 x 50V Siemens 1035 or 1 x 100V Siemens 1206
There is an A.C. Mains version using Indirect valves/tubes, Orgola A.C. and also the Orgola Senior.
There is a wind up gramophone and cabinet option, Orgola Radio Gramophone.
- Mentioned in
- - - Manufacturers Literature (Radio for the Million Vol. 4 No.1 September 1929)
- Author
- Model page created by Michael Watterson. See "Data change" for further contributors.
- Other Models
-
Here you find 142 models, 116 with images and 59 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Mullard Wireless, London (see also Mullard Radio Valve)