frequency response graph for Janszen electrostatic loudspeaker
Datecirca 1956
Inventory NumberDPWN0052b
ClassificationDiagram
Subject
Manufacturer
Janszen Laboratory Inc.
1954 - 1959
Cultural Region
Place of Origin
Dimensions27.6 x 30.8 x 1.3 cm (10 7/8 x 12 1/8 x 1/2 in.)
Material
DescriptionThis is a framed diagram showing the DB vs Frequency output of an electrostatic loudspeaker, Janszen model I-50. This object is part of a series of similar graphs. Therefore, they may all have been produced at the same time, at a later date than the one indicated here.
Signedon graph: Janszen Model I-50 / Direct-Radiator, Electrostatic Loudspeaker / (ca. 1956)
Inscribedon graph: Janszen Model I-50 / Direct-Radiator, Electrostatic Loudspeaker / (ca. 1956) / production model of prototype contains four / "push-pull" units to increase angular cove- / rage. frequency response curve is that of a / single unit.
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Western Electric Company
Date: circa 1924
Object number: DPWN0038b
Western Electric Company
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Western Electric Company
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Janszen Laboratory Inc.
Date: circa 1956
Accessories: frequency response graph (DPWN0052b)
Object number: DPWN0052a
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Object number: 1998-1-0973
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Object number: 2003-1-0291
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Date: 1770-1815
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Object number: 1998-1-1087
