Microphone

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Ingenium, 1969.0822.001
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OBJECT TYPE
DYNAMIC/TABLE
DATE
1931
ARTIFACT NUMBER
1969.0822.001
MANUFACTURER
Western Electric Co.
MODEL
618A (TRANSMITTER)
LOCATION
United States of America

More Information


General Information

Serial #
458
Part Number
1
Total Parts
5
AKA
N/A
Patents
N/A
General Description
BRASS CASE WITH THREADED BRASS RING/ INTERNAL COMPONENTS INCLUDE A CIRCULAR MAGNET, AN ALUMINUM DIAPHRAGM WITH A VOICE COIL ATTACHED/ VOICE COIL IS WOUND WITH INSULATED COPPER WIRE/ A PERFORATED METAL GRILL & A SILK SCREEN PROTECTS THE DIAPHRAGM

Dimensions

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

Length
10.2 cm
Width
9.5 cm
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
Canada
State/Province
Quebec
Period
1931-1940
Canada
Unknown
Function
USED TO PICK UP SOUND SUCH AS VOICE OR MUSIC AND CONVERT TO COMPLEX ALTERNATING CURRENT. THE ELECTRICAL CURRENT WOULD BE AMPLIFIED AND TRANSMITTED BY RADIO.
Technical
FIRST MOVING COIL OR DYNAMIC MICROPHONE PRODUCED BY WESTERN ELECTRIC
Area Notes
Unknown

Details

Markings
NONE ON THE OUTSIDE OF THE CASE/ THE DYNAMIC CAPSULE MOUNTED IN THE CASE HAS 'WE CO. SERIAL NO _____" ENGRAVED ON THE FRONT
Missing
N/A
Finish
WHOLE ASSEMBLY CHROME PLATED
Decoration
N/A

CITE THIS OBJECT

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

Western Electric Co., Microphone, circa 1931, Artifact no. 1969.0822, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0822.001/

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