Microphone
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1988.0398.001
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- OBJECT TYPE
- CONDENSER/STAND
- DATE
- 1964
- ARTIFACT NUMBER
- 1988.0398.001
- MANUFACTURER
- Bruel & Kjaer
- MODEL
- 4111
- LOCATION
- Copenhagen, Denmark
More Information
General Information
- Serial #
- 21528
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- MICROPHONE: BRASS & STEEL CASING; METAL & GLASS COMPONENT PARTS/ CASE: WOOD COVERED WITH PAPER & LINED WITH FELT/ METAL HARDWARE
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 58.5 cm
- Width
- 14.5 cm
- Height
- 5.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Sound
- Sub-Category
- N/A
Manufacturer
- AKA
- Bruel Kjaer
- Country
- Denmark
- State/Province
- Unknown
- City
- Copenhagen
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- 1960S-1980S
- Canada
-
USED IN NATIONAL RESEARCH COUNCIL LABS. - Function
-
TO PICK UP SOUND AND CONVERT TO COMPLEX ALTERNATING CURRENT. THIS ALTERNATING CURRENT WOULD BE AMPLIFIED TO DRIVE PRECISE MEASUREMENT & ANALYSIS EQUIPMENT FOR RESEARCH. - Technical
-
EXAMPLE OF 1960S SOUND RESEARCH EQUIPMENT (VACUUM TUBE TECHNOLOGY) - Area Notes
-
Unknown
Details
- Markings
- PLATE ON MICROPHONE: 'BRUEL & KJOER/ Type 4111 Nr. 21528'/ PAINTED ON HEAD: 'PA-79'/ PLATE ON CASE: 'CONDENSER/MICROPHONE/ PA-79'/ STAMPED ON BOTTOM: 'Made in Denmark'
- Missing
- MOUNTING APPARATUS & POWER SUPPLY
- Finish
- CAST: BLACK SIMULATED LEATHER, PURPLE LINING/ MICROPHONE: POLISHED & BRUSHED CHROME PLATE WITH BLACK TRIM
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Bruel & Kjaer, Microphone, before 1964, Artifact no. 1988.0398, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1988.0398.001/
FEEDBACK
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