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CR-81 ; Shure; Chicago, (ID = 2335584) Microphone/PU CR-81 ; Shure; Chicago, (ID = 2335588) Microphone/PU
CR-81 ; Shure; Chicago, (ID = 2335586) Microphone/PU CR-81 ; Shure; Chicago, (ID = 2335587) Microphone/PU
CR-81 ; Shure; Chicago, (ID = 1426082) Microphone/PU CR-81 ; Shure; Chicago, (ID = 1426083) Microphone/PU
CR-81 ; Shure; Chicago, (ID = 1426084) Microphone/PU CR-81 ; Shure; Chicago, (ID = 1426085) Microphone/PU
CR-81 ; Shure; Chicago, (ID = 1426087) Microphone/PU
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CR-81 ; Shure; Chicago, (ID = 2335584) Microphone/PU
Shure; Chicago,: CR-81 [Microphone/PU] ID = 2335584 1400x1697
Select picture or schematic to display from thumbnails on the right and click for download.
For model CR-81, Shure; Chicago, Evanston, Niles (IL)
Country:  United States of America (USA)
Manufacturer / Brand:  Shure; Chicago, Evanston, Niles (IL)
Year: 1958 ?? Category: Microphone or Pick-up element
Wave bands - without
Power type and voltage No Power needed
Loudspeaker - For headphones or amp.
Power out
from Model: CR-81 - Shure; Chicago, Evanston,
Material Metal case
Dimensions (WHD) 65 x 80 x 38 mm / 2.6 x 3.1 x 1.5 inch

"Controlled reluctance" microphone.

Shure statement from 06/03/2001:

This microphone was an OEM (Original Equipment Manufacturer) model. We made the microphone for another manufacturer. Information on OEM microphones is sketchy.
The CR81 was a Controlled Magnetic, high-impedance (14 kohm) model, light brown in color and made for Revere (Camera), the tape recorder manufacturer.

Das Shure CR-81 war anfangs ausgerüstet mit dem "Black Label"-Element, später mit dem "White Label".
Das Gehäuse aus Zink-Druckguss ist identisch mit dem des Shure 510, das erstmals im Katalog von 1949 vorgestellt wurde.


Net weight (2.2 lb = 1 kg) 1 lb 5 oz (1.313 lb) / 0.596 kg
Source of data -- Collector info (Sammler)

Model page created by Georg Richter. See "Data change" for further contributors.

All listed radios etc. from Shure; Chicago, Evanston, Niles (IL)
Here you find 122 models, 116 with images and 43 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.