Velocity Microphone PB-90 MI-4000
RCA (RCA Victor Co. Inc.); New York (NY)
- Country
- United States of America (USA)
- Manufacturer / Brand
- RCA (RCA Victor Co. Inc.); New York (NY)
- Year
- 1935 ??
- Category
- Microphone or Pick-up element
- Radiomuseum.org ID
- 130238
-
- alternative name: RCA Manufacturing || Victor Talking Machine
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- - For headphones or amp.
- Material
- Metal case
- from Radiomuseum.org
- Model: Velocity Microphone PB-90 MI-4000 - RCA RCA Victor Co. Inc.; New
- Shape
- Miscellaneous shapes - described under notes.
- Dimensions (WHD)
- 3.5 x 8.5 x 3.5 inch / 89 x 216 x 89 mm
- Notes
- RCA Velocity Microphone Ribbon type PB-90, master index number MI-4000 with or without an additional suffix like AF, also type PB-90AI without a master index number known, built-in match transformer for 250 & 50 ohms, 30 - 6.000 Hz, Dull gunmetal finish.
- Price in first year of sale
- 78.00 $
- Source of data
- -- Collector info (Sammler)
- Author
- Model page created by a member from A. See "Data change" for further contributors.
- Other Models
-
Here you find 5118 models, 3224 with images and 4148 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from RCA (RCA Victor Co. Inc.); New York (NY)