Microphone

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Ingenium, 1970.0025.001
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OBJECT TYPE: RIBBON VELOCITY
DATE: Unknown
ARTIFACT NUMBER: 1970.0025.001

MANUFACTURER: RCA
MODEL: 44BX
LOCATION: Unknown

More Information

General Information

Serial #: 1605
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: CASE,STEEL BOTTOM ASSEMBLY PLATE, NON-FERROUS CAST BOTTOM SECTION, TOP, PERFORATED NON FERROUS METAL, FABRIC WIND SCREEN BEHIND PERFORATED TOP SECTION. MICROPHONE ASSEMBLY HAS A MAGNET ASSEMBLY WITH CORROGATED RIBBON MOUNTED IN THE MAGNETIC FIELD. MATCHING TRANSFORMER IS MOUNTED IN THE BOTTOM SECTION.

Dimensions

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

Length: 30.5 cm
Width: 12.7 cm
Height: 12.7 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: North America
State/Province: Unknown
Period: 1940-1960
Canada: USED IN CANADA FOR A ROYAL TOUR.
Function: TO PICK UP SOUND, VOICE AND MUSIC AND CONVERT TO COMPLEX ALTERNATING CURRENT. THE ALTERNATING CURRENT WOULD BE AMPLIFIED TO MODULATE A TRANSMITTER OR TO DRIVE A RECORDING DEVICE. RANGE 30 TO 15000HZ.
Technical: THE RIBBON MICROPHONE WAS A DEPARTURE FROM THE USUAL DIAPHRAGM DEVICE THAT MODIFIED THE VOICE RESPONSE BY THE FREQUENCY RESPONSE OF THE STRUCTURE, AS IT CONTRIBUTED VERY LITTLE MODIFICATION TO SOUND. WAS USED IN FILM AND BROADCASTING FOR MANY YEARS. PROVIDED A VERY TIGHT BI-DIRECTIONAL PICKUP PATTERN.
Area Notes: Unknown

Details

Markings: BOTTOM EDGE & UNDERNEATH MIKE: 'M V'/ STAMPED UNDER MIKE: '1605'/ ON FRONT: 'RCA [LOGO]'/ PLATE ON CASE: 'CBC/ Radio-Canada/ 106573'/ HANDWRITTEN ON CASE: 'OP-117/ GOLD PLATED/ 44BX/ E.H.Q. OPERATION POOL/ 1-MICROPHONE - 44-BX/ SER. 1605 GOLD PLATED/ CASE ASSET # 106573'
Missing: none apparent
Finish: BOTTOM SECTION, ANTIQUE BRONZE/ CONNECTOR, BLACK WRINKLE ENAMEL/ REMAINDER OF MIKE & MOUNTING ASSEMBLY, GOLD-PLATED
Decoration: N/A

CITE THIS OBJECT

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

RCA, Microphone, Unknown Date, Artifact no. 1970.0025, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1970.0025.001/

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