Royal Hearing Aid
Zenith Radio Corp.; Chicago, IL
- Country
- United States of America (USA)
- Manufacturer / Brand
- Zenith Radio Corp.; Chicago, IL
- Year
- 1951
- Category
- Medical Technology
- Radiomuseum.org ID
- 163340
-
- alternative name: Chicago Radio Lab
vrsione oro
retro
apparecchio aperto
vista 3/4
Roehrendeckel
- Number of Tubes
- 3
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Details
- Hearing aid
- Power type and voltage
- Dry Batteries / 2 x 1,5 & 22,5 Volt
- Loudspeaker
- - only for Earphone!
- Material
- Metal case
- from Radiomuseum.org
- Model: Royal Hearing Aid - Zenith Radio Corp.; Chicago,
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Dimensions (WHD)
- 57 x 75 x 20 mm / 2.2 x 3 x 0.8 inch
- Notes
- Normally the case was of gold-colored anodized aluminum. Limited quantities of the Royal were made with a black case.
- Net weight (2.2 lb = 1 kg)
- 0.090 kg / 0 lb 3.2 oz (0.198 lb)
- Author
- Model page created by Giuseppe Antonio Tusini. See "Data change" for further contributors.
- Other Models
-
Here you find 4492 models, 4097 with images and 3605 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Zenith Radio Corp.; Chicago, IL
Collections
The model Royal is part of the collections of the following members.
Forum contributions about this model: Zenith Radio Corp.;: Royal Hearing Aid
Threads: 1 | Posts: 1
L'apparecchio momta 2 batterie da 1,5 Volt, ma ne viene utilizzata, per il funzionamento, una sola; dispone, infati, di un piccolo commutatore che effettua lo scambio della batteria, quando questa si sta per scaricare.
Antonio Maida, 09.Mar.12