Two Step Audion Amplifier Type P-200
DeForest Radio Telephone & Telegraph Co. (De Forest); New York
- Country
- United States of America (USA)
- Manufacturer / Brand
- DeForest Radio Telephone & Telegraph Co. (De Forest); New York
- Year
- 1919/1920
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 100606
-
- alternative name: Lee De Forest Mfg.
Collection privée (réf.: 636)
Collection privée (réf.: 636)
Sears catalog circa 1919
Ebay Item number: 221122155743
Ebay Item number: 221122155743
Ebay Item number: 221122155743
Ebay Item number: 221122155743
Ebay Item number: 221122155743
Ebay Item number: 221122155743
Ebay Item number: 221122155743
Ebay Item number: 221122155743
- Number of Tubes
- 2
- Valves / Tubes
- VT-Class-II or A_Moorhead VT-Class-II or A_Moorhead
- Main principle
- Audio-Amplification; 2 AF stage(s)
- Wave bands
- - without
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case, TUBES VISIBLE.
- from Radiomuseum.org
- Model: Two Step Audion Amplifier Type P-200 - DeForest Radio Telephone &
- Shape
- Tablemodel, high profile (upright - NOT Cathedral nor decorative).
- Dimensions (WHD)
- 240 x 320 x 220 mm / 9.4 x 12.6 x 8.7 inch
- Notes
- Two tube audio amplifier.
- Net weight (2.2 lb = 1 kg)
- 5.2 kg / 11 lb 7.3 oz (11.454 lb)
- Price in first year of sale
- 64.00 $
- Source of data
- -- Collector info (Sammler)
- Mentioned in
- Radio Manufacturers of the 1920s, Vol 1 (page 169)
- Author
- Model page created by John Koster. See "Data change" for further contributors.
- Other Models
-
Here you find 158 models, 132 with images and 15 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from DeForest Radio Telephone & Telegraph Co. (De Forest); New York
Collections
The model Two Step Audion Amplifier is part of the collections of the following members.