- Country
- United States of America (USA)
- Manufacturer / Brand
- DeWald Radio Mfg. Corp., Pierce Airo Inc.
- Year
- 1951 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 37746
-
- Brand: Pierce Airo
Picture from service manual.
Sams Photofact Folders
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 4
- Main principle
- Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Line / Batteries (any type) / AC/DC 117=110-120 / 67.5 & 4.5 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: D-517 - DeWald Radio Mfg. Corp.,
- Shape
- Portable set > 8 inch (also usable without mains)
- Notes
-
Dewald model D-517 is a three power operated portable superheterodyne receiver with loop antenna. Selenium rectifier.
- External source of data
- Ernst Erb
- Source of data
- Collector's Guide to Antique Radios 4. Edition
- Circuit diagram reference
- Rider's Perpetual, Volume 21, Copyright 1950
- Literature/Schematics (1)
- Photofact Folder, Howard W. SAMS (Set 131, folder 4, dated 5-51)
- Other Models
-
Here you find 442 models, 195 with images and 344 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.