411 Phonoscope
DeWald Radio Mfg. Corp., Pierce Airo Inc.
- Country
- United States of America (USA)
- Manufacturer / Brand
- DeWald Radio Mfg. Corp., Pierce Airo Inc.
- Year
- 1939/1940
- Category
- Sound/Video Recorder and/or Player
- Radiomuseum.org ID
- 37444
-
- Brand: Pierce Airo
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 2
- Main principle
- 2 AF stage(s)
- Wave bands
- - without
- Details
- Rec.Player+Audio.Amp+LS
- Power type and voltage
- Alternating Current supply (AC) / 105-125 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: 411 Phonoscope - DeWald Radio Mfg. Corp.,
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 13.5 x 0 x 0 inch / 343 x 0 x 0 mm
- Notes
-
Works as an autonomous record player with built in amp and speaker, as well as a wireless recordplayer or even as a wireless microphone towards a remote radio receiver. Frequency around 500 kc.
- Price in first year of sale
- 26.95 $
- External source of data
- Ernst Erb
- Source of data
- Table Top Radios Vol. 4 Stein 2003
- Circuit diagram reference
- Rider's Perpetual, Volume 10 = 1939 and before
- Literature/Schematics (3)
- The DeWald Folder for 1940, Form. 50M 1-40 L.
- Other Models
-
Here you find 442 models, 195 with images and 343 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from DeWald Radio Mfg. Corp., Pierce Airo Inc.