Control unit

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Ingenium, 2016.0282.003
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OBJECT TYPE: microphone
DATE: 1977
ARTIFACT NUMBER: 2016.0282.003

MANUFACTURER: Unknown
MODEL: Soundfield Microphone Control Unit Mk IV
LOCATION: Unknown

More Information

General Information

Serial #: 122
Part Number: 3
Total Parts: 14
AKA: N/A
Patents: N/A
General Description: Metal casing with synthetic knobs and buttons

Dimensions

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

Length: 42.6 cm
Width: 25.3 cm
Height: 10.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Sound
Sub-Category: N/A

Manufacturer

AKA: Unknown
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Ontario
Period: ca.1977-1998
Canada: Unknown
Function: Processes the audio signals coming from a soundfield microphone.
Technical: The Soundfield microphone is an audio microphone composed of four closely spaced subcardioid or cardioid (unidirectional) microphone capsules arranged in a tetrahedron. (From Acquisition Proposal, see Ref. 1)
Area Notes: Unknown

Details

Markings: On the proper front: "GAIN/ 0/ 20/ 40/ INVERT/ LB- LF+ RF- RF+ OSC/ MUTES/ TEST/ [logo]/ SOUNDFIELD MICROPHONE/ CONTROL UNIT Mk IV/ DUB/ SOUNDFIELD/ AZIMUTH/ 0/ 45/ 45/ LEFT/ RIGHT/ BACK/ ELEVATION/ 0/ 45/ 45/ DOMINANCE/ 0/ 45B/ 45F/ IN REC/ TAPE/ -15 0 15/ X/ -15 0 15/ W/ -15 0 15/ Y/ -15 0 15/ Z/ STEREO/ MICROPHONE/ STEREO/ MONITOR/ MONITOR/ POWER/ HEADPHONES/ [logo]/ CALREC"/ On the stickers on the proper front: "nt/ FOR/ INDICATION/ ONLY"/ "BNR [logo]/ ACOUSTIC DESIGN"/ On the proper back: "AC/ SUPPLY/ 50-60 Hz 2A/ 115 V/ MONITOR/ H/PHONES/ STEREO OUTPUTS/ RIGHT/ LEFT/ SOUNDFIELD MICROPHONE CONTROL UNIT MkIV SERIAL No122/ CALREC AUDIO LIMITED, HEBDEN BRIDGE,/ WEST YORKSHIRE, ENGLAND./ B/ FORMAT/ PLAY/ RECORD/ THIS SYSTEM IS COVERED BY/ U.K. PATENT No 1494751,/ U.S.A. PATENT No 3997725 &/ U.S.A. PATENT No 4042779./ AND ALL RELEVANT PATENTS/ IN OTHER COUNTRIES AND/ PATENTS PENDING./ SOUNDFIELD MICROPHONE MkIV/ SERIAL No. 725/ [logo]/ INPUT/ MADE IN UNITED KINGDOM"
Missing: Appears complete
Finish: Black proper top with predominantly blue proper front and back with white markings, grey, blue and red controls, silver-coloured metal accents and black feet. There is a grey and black and a pink and black sticker on the proper front.
Decoration: N/A

CITE THIS OBJECT

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

Unknown Manufacturer, Control unit, after 1977, Artifact no. 2016.0282, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/item/2016.0282.003/

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