frequency response graph for Janszen electrostatic loudspeaker
Date: circa 1956
Inventory Number: DPWN0052b
Classification: Diagram
Subject:
Manufacturer: Janszen Laboratory Inc. (1954 - 1959)
Cultural Region:
Place of Origin:
Dimensions:
27.6 x 30.8 x 1.3 cm (10 7/8 x 12 1/8 x 1/2 in.)
Description:
This 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.
