Microphone

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OBJECT TYPE
RIBBON & DYNAMIC/UNIDIRECTIONAL/FIGURE 8, OMNI, & CARDOID
DATE
1939
ARTIFACT NUMBER
1970.0023.001
MANUFACTURER
Western Electric
MODEL
639A
LOCATION
United States of America

More Information


General Information

Serial #
186
Part Number
1
Total Parts
2
AKA
N/A
Patents
N/A
General Description
CASE, CAST NON-FERROUS METAL. U-TYPE MAGNET STRUCTURE WITH ALUMINUM RIBBONS SUPPORTED IN THE MAGNETIC FIELDS.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
20.3 cm
Width
N/A
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Sound
Sub-Category
N/A

Manufacturer

AKA
Western Electric
Country
United States of America
State/Province
Unknown
City
Unknown

Context

Country
North America
State/Province
Unknown
Period
C.1939-1950
Canada
THIS MICROPHONE USED DURING THE ROYAL TOUR IN 1939.
Function
TO PICK UP SOUND, VOICE AND MUSIC AND CONVERT TO COMPLEX ALTERNATING CURRENT. THE ALTERNATING CURRENT WOULD BE AMPLIFIED TO MODULATE A RADIO TRANSMITTER.
Technical
WESTERN ELECTRIC WAS ONE OF SEVERAL MANUFACTURERS DEVELOPING DIRECTIONAL MICROPHONES DURING THIS PERIOD. THIS MICROPHONE USED A DUAL RIBBON ELEMENT RATHER THAN DIAPHRAGM, DYNAMIC MICROPHONE CARTRIDGES.
Area Notes
Unknown

Details

Markings
WESTERN ELECTRIC NAME PLATE
Missing
N/A
Finish
CASING GOLD PLATED (STANDARD MICROPHONES WOULD BE CHROME-PLATED)
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Western Electric, Microphone, circa 1939, Artifact no. 1970.0023, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1970.0023.001/

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