Microphone

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Ingenium, 1969.0835.001
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OBJECT TYPE
CONDENSER
DATE
1928
ARTIFACT NUMBER
1969.0835.001
MANUFACTURER
Northern Electric Co. Ltd. of Canada
MODEL
394W
LOCATION
Montreal, Quebec, Canada

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
MICROPHONE - BRASS CASE, DURALUMINUM DIAPHRAGM, BRASS BACKING PLATE, ELECTRICAL INSULATING SPACERS/ AMPLIFIER - BRASS CASE WITH REMOVEABLE COVER FOR MAINTENANCE, VACUUM TUBES, RESISTORS, CAPACITORS, TRANSFORMER AND MISC. ELECTRICAL COMPONENTS AND WIRING

Dimensions

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

Length
10.8 cm
Width
43.2 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
Northern Electric
Country
Canada
State/Province
Quebec
City
Montreal

Context

Country
North America
State/Province
Unknown
Period
1928-1935
Canada
SEE COMMENTS
Function
USED TO PICK UP SOUND, SUCH AS VOICE OR MUSIC AND CONVERT TO COMPLEX ALTERNATING CURRENT, WHICH WOULD BE AMPLIFIED AND BROADCAST BY A RADIO TRANSMITTER. THE UNIT MIGHT ALSO BE USED WITH A POWERFUL AUDIO FREQUENCY AMPLIFIER AND SPEAKERS AS A PUBLIC ADDRESS SYSTEM
Technical
AN EXAMPLE OF EARLY HIGH QUALITY MICROPHONE DESIGN
Area Notes
Unknown

Details

Markings
MFG. PLATE ON AMPLIFIER: '47-A AMPLIFIER/ Northern Electric Company/ LIMITED'
Missing
N/A
Finish
BLACK GLOSS ENAMEL
Decoration
N/A

CITE THIS OBJECT

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

Northern Electric Co. Ltd. of Canada, Microphone, circa 1928, Artifact no. 1969.0835, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0835.001/

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