- Country
- United States of America (USA)
- Manufacturer / Brand
- Kellogg Switchboard & Supply Co.; Chicago (IL)
- Year
- 1927
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 202815
-
- Brand: Wavemaster
- Number of Tubes
- 8
- Valves / Tubes
- 401_McCullough 401_McCullough 401_McCullough 401_McCullough 401_McCullough 401_McCullough 403_McCullough 280
- Main principle
- Special principle (see notes)
- Tuned circuits
- 5 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- Horn
- Material
- Wooden case
- from Radiomuseum.org
- Model: 510 ch= A - Kellogg Switchboard & Supply
- Shape
- Console with any shape - in general
- Notes
-
Seven McCullough valves (4-V-2) plus rectifier (which was not counted!). See in Rider's the "/ tube A chassis".
Built-in exponentional horn. Inductively tuned, each of the four radio stages having a five-tapped inductance, whereby the required waveband is selected, and a few variometer turns for precision tuning. The tapping and variometer adjustments are respectively ganged into two controls.
- Price in first year of sale
- 495.00 $
- Source of data
- Wireless World (The), London (WW, 79)
- Circuit diagram reference
- Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
- Mentioned in
- Radio Manufacturers of the 1920's, Vol. 2 (p.87)
- Literature/Schematics (1)
- Radio Collector`s Guide 1921-1932 (& The Radio Collectors Directory and Price Guide)
- Literature/Schematics (2)
- Radio Retailing (Radio & Television R.) (ad June 1927 page 224)
- Author
- Model page created by John Koster. See "Data change" for further contributors.
- Other Models
-
Here you find 66 models, 25 with images and 17 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Kellogg Switchboard & Supply Co.; Chicago (IL)