Attenuator

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OBJECT TYPE
audio/intensity program
DATE
1969
ARTIFACT NUMBER
2004.0383.001
MANUFACTURER
NRC, Elmus Lab
MODEL
Intensity Program
LOCATION
Ottawa, Ontario, Canada

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
Intensity program
Patents
N/A
General Description
metal casing front with synthetic switches / metal and synthetic electrical components

Dimensions

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

Length
48.2 cm
Width
13.5 cm
Height
18.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Music
Sub-Category
N/A

Manufacturer

AKA
NRC
Country
Canada
State/Province
Ontario
City
Ottawa

Context

Country
Canada
State/Province
Quebec
Period
circa 1970+
Canada
This intensity program was used at the McGill University Electronic Music Studio, which opened in 1964, the second such facility in Canada. It was a component for the McGill studio's Serial Structure Sound Generator, one of four of SSSGs designed by pioneering Canadian electronic music composer and instrument designer Dr. Hugh Le Caine (1914-1977) of the National Research Council of Canada, and built at NRC's Elmus Lab. The intensity program was donated to CSTM by Alcides Lanza, Director Emeritus of the Electronic Music Studio.
Function
An audio attenuator used to reduce the amplitude of an electrical signal without appreciable distorting its waveform, part of an electronic musical instrument.
Technical
The intensity program was designed by H. Le Caine for the McGill Electronic Music Studio. It is a sequential audio attenuator, with 13 terms and 20 loudness settings for each term. It consists of 13 control inputs and 13 audio inputs, which are parallel and may be used together or separately to attenuate an electronic musical signal. The intensity program appears identical to one installed on the Le Caine Serial Structure Sound Generator 1986.0008. he SSSG applied serial logic to various parameters of electronic musical texture. It was extremely complex and powerful sequencer and was capable of a wider application than later commercial sequencers. The SSSG anticipated developments in the application of computers to sound generation and control. The read, blue and black abstract design on the casing front was created by NRC artist Anne-Lore Thomsen Daniels, with the coloured shapes related to the functions of the different controls of the instrument.
Area Notes
Unknown

Details

Markings
black lettering on front reads 'INTENSITY PROGRAM/ NRC ELMUS LAB'/ white handwritten '4' on front/ black handwritten 'OK/ NOV/69'
Missing
unknown
Finish
glossy grey casing front/ black synthetic switches/ multicoloured electronic components
Decoration
red and blue angular designs painted on front to represent control functions

CITE THIS OBJECT

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

NRC, Elmus Lab, Attenuator, circa 1969, Artifact no. 2004.0383, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2004.0383.001/

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