Multi-Pattern Microphone 639A
Altec Lansing Corp.; Oklahoma City (OK)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Altec Lansing Corp.; Oklahoma City (OK)
- Year
- 1939 ?
- Category
- Microphone or Pick-up element
- Radiomuseum.org ID
- 333421
Hersteller-Doku
Hersteller-Doku
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- - For headphones or amp.
- Material
- Metal case
- from Radiomuseum.org
- Model: Multi-Pattern Microphone 639A - Altec Lansing Corp.; Oklahoma
- Shape
- Miscellaneous shapes - described under notes.
- Dimensions (WHD)
- 7.5 x 4.5 x 3.5 inch / 191 x 114 x 89 mm
- Notes
-
Altec Lansing 639A
Multipattern ovoid Microphone with 3 switch-selectable directional characteristics by switching a dynamic and a ribbon element. First produced by Western Electric in 1939 and continued by Altec Lansing Oklahoma City, Oklahoma on the dissolution of Western Electric in 1947. See also model 639B.
Used by the United States Congress and the United Nations
- Net weight (2.2 lb = 1 kg)
- 1.5 kg / 3 lb 4.9 oz (3.304 lb)
- Mentioned in
- - - Manufacturers Literature (Data Sheet)
- Literature/Schematics (1)
- - - Manufacturers Literature (Data Sheet)
- Author
- Model page created by Peter Toms. See "Data change" for further contributors.
- Other Models
-
Here you find 104 models, 102 with images and 38 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Altec Lansing Corp.; Oklahoma City (OK)