Ultimate Screen Grid 4 AC Mains
Ultimate (Brand), Radio Ltd. & Radio (1936) Ltd.; Auckland
- Country
- New Zealand-Aotearoa
- Manufacturer / Brand
- Ultimate (Brand), Radio Ltd. & Radio (1936) Ltd.; Auckland
- Year
- 1929
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 338887
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 4
- Main principle
- TRF with regeneration; 2 AF stage(s); Screengrid 1926-1935
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast plus more than 2 Short Wave bands.
- Power type and voltage
- Alternating Current supply (AC) / 230 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Metal case
- from Radiomuseum.org
- Model: Ultimate Screen Grid 4 [AC Mains] - Ultimate Brand, Radio Ltd. &
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Notes
-
4-Valve with screen grid RF stage and ganged tuning condensers.
All wave using a set of 8 plug-in coils covering 18 to 525 Metres.
Aluminium cabinet finished in black. Other colours available to order.
See also the earlier Battery model Screen Grid 4 of 1927.
- Mentioned in
- The Golden Age of Radio in the Home 1986 (Pages 68-71)
- Literature/Schematics (1)
- -- Original prospect or advert (NZ Truth 31 October 1929 Page 18)
- Author
- Model page created by Brian Stevens. See "Data change" for further contributors.
- Other Models
-
Here you find 133 models, 110 with images and 117 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Ultimate (Brand), Radio Ltd. & Radio (1936) Ltd.; Auckland