Crystal Headphones B
Brush Development Co. / Clevite Electronic Components; Cleveland, Ohio
- Country
- United States of America (USA)
- Manufacturer / Brand
- Brush Development Co. / Clevite Electronic Components; Cleveland, Ohio
- Year
- 1941 ??
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 244021
-
- alternative name: Brush Electronics
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- - Is a Headphone or Earphone
- Material
- Metal case
- from Radiomuseum.org
- Model: Crystal Headphones B - Brush Development Co. /
- Notes
-
Light wight crystal headphones. Impedance over 25 kohms at 400 Hz.. Response from 60Hz to 10 kHz. Aluminum case. D.C. voltage should be applied at no time!
- Net weight (2.2 lb = 1 kg)
- 0 lb 3.5 oz (0.219 lb) / 0.099 kg
- Author
- Model page created by Otto Frosinn. See "Data change" for further contributors.
- Other Models
-
Here you find 43 models, 39 with images and 22 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Brush Development Co. / Clevite Electronic Components; Cleveland, Ohio