Microphone
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1970.0452.001
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- OBJECT TYPE
- RIBBON VELOCITY
- DATE
- Unknown
- ARTIFACT NUMBER
- 1970.0452.001
- MANUFACTURER
- RCA Mfg. Co. Inc.
- MODEL
- 74A
- LOCATION
- Camden, New Jersey, United States of America
More Information
General Information
- Serial #
- S 02989
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- CASE: PERFORATED METAL TOP, SHEET METAL BOTTOM, BRASS STAND COUPLING, METAL CONNECTOR WITH ALUMINUM SPACER/ INTERIOR: ALUMINUM CORRUGATED RIBBON IN MAGNETIC FIELD, FABRIC WIND SCREEN
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 6.4 cm
- Width
- 7.6 cm
- Height
- 25.4 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Sound
- Sub-Category
- N/A
Manufacturer
- AKA
- RCA
- Country
- United States of America
- State/Province
- New Jersey
- City
- Camden
Context
- Country
- North America
- State/Province
- Unknown
- Period
- 1936-1960
- Canada
-
USED BY CBC - Function
-
TO PICK UP SOUND, VOICE AND MUSIC AND CONVERT TO COMPLEX ALTERNATING CURRENT. THE ALTERNATING CURRENT WOULD BE AMPLIFIED TO MODULATE A BROADCAST TRANSMITTER OR TO DRIVE A SOUND RECORDING SYSTEM. - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- 'RCA[LOGO]' ON FRONT/ PLATE READS: 'S 02989'/ SIDE DECAL: 'CBC/ RADIO CANADA'/ ON CONNECTOR: 'ITT/ CANNON/ XLR-3-42'
- Missing
- N/A
- Finish
- TOP SECTION: TAN GLOSS PAINT/ BOTTOM SECTION: DARK BROWN GLOSS PAINT
- Decoration
- MFG'S LOGO DISC ON FRONT
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
RCA Mfg. Co. Inc., Microphone, Unknown Date, Artifact no. 1970.0452, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1970.0452.001/
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