Microphone
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Ingenium,
1985.0510.001
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- OBJECT TYPE
- RIBBON/POLYDIRECTIONAL/TABLE
- DATE
- 1975
- ARTIFACT NUMBER
- 1985.0510.001
- MANUFACTURER
- RCA
- MODEL
- 77DX
- LOCATION
- Unknown
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- STEEL & ALUMINUM CASE & MOUNTING ASSEMBLY/ PERMANENT MAGNET, CORRUGATED RIBBON ASSEMBLY, VARIOUS RESONATING & PICK UP ADJUSTING SHUTTERS/ SYNTHETIC CORD/ FABRIC SCREEN
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 22.2 cm
- Width
- 7.7 cm
- Height
- 7.7 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
- Unknown
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- 1970-1984
- Canada
-
PLEASE SEE HISTORY OF CRAWLEY FILMS LTD. IN SUPP. INFO. - Function
-
TO PICK UP SOUND, VOICE, AND MUSIC, AND CONVERT IT TO COMPLEX AC. THE ALTERNATING CURRENT WOULD BE AMPLIFIED TO MODULATE A TRANSMITTER OR TO DRIVE SOUND RECORDING EQUIPMENT. - Technical
-
AN EXAMPLE OF ADJUSTABLE PICK UP DESIGN FIRST DEVELOPED IN 1931 & WITH DESIGN IMPROVEMENTS. STILL CURRENT IN THE LATE 1970'S. - Area Notes
-
Unknown
Details
- Markings
- 'RCA' [TRADEMARK] ON FRONT & BACK/ ON JACK: 'ITT' 'CANNON' 'PAT. 2869095' & 'XLR-3-12C'/ ADJUSTMENT ON BACK LABELLED: 'U, N, B. L1, L2, L3'/ ADJUSTMENT ON BOTTOM LABELLED: 'M, V1, V2'
- Missing
- NONE
- Finish
- SILVER BODY, WITH 2 DARK GREY BANDS.
- Decoration
- POLISHED ALUMINUM CENTRE SECTION HAS BROWN STRIPES & RED, SILVER & BROWN RCA INSIGNIAS.
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
RCA, Microphone, circa 1975, Artifact no. 1985.0510, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1985.0510.001/
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