Dynamic Stereo Headphones RH-630
Roland Electronics Co. Ltd., Rotel; Tokyo
- Country
 - Japan
 
- Manufacturer / Brand
 - Roland Electronics Co. Ltd., Rotel; Tokyo
 
- Year
 - 1973 ?
 
- Category
 - Loudspeaker, headphone or earphone
 
- Radiomuseum.org ID
 - 320064
 
- Wave bands
 - - without
 
- Power type and voltage
 - No Power needed
 
- Loudspeaker
 - - Is a Headphone or Earphone
 
- Material
 - Various materials
 
- from Radiomuseum.org
 - Model: Dynamic Stereo Headphones RH-630 - Roland Electronics Co. Ltd.,
 
- Notes
 - 
        
Stereo headphones.
Features
- Flexible Spring Steel Headband.
 - Ultra-Elastic Sponge Ear Cushions.
 - Attenuation of ambient noise.
 - High Efficiency Driver.
 - Acoustically Designed Enclosure.
 
Specification
- 20-19,000Hz Frequency Range.
 - 0.5W Maximum Input.
 - 4-16Ω Matching Impedance.
 - 15 ft Coiled Cord.
 
 
- Mentioned in
 - -- Original prospect or advert (Rotel Dynamic Stereo Headphones RH-700 RH-630 leaflet)
 
- Author
 - Model page created by Howard Craven. See "Data change" for further contributors.
 
- Other Models
 - 
        
Here you find 340 models, 329 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Roland Electronics Co. Ltd., Rotel; Tokyo