Currently indexing
Western Electric model 630A eight-ball microphone
Date: 1935-1940
Inventory Number: 1998-1-1313
Classification: Microphone
Subject:
Maker: Western Electric Company (1881 - 1995)
Cultural Region:
Place of Origin:
Dimensions:
11 x 6 x 6 cm (4 5/16 x 2 3/8 x 2 3/8 in.)
Description:
This microphone is made of two parts: the microphone itself, a dynamic mic that was omni directional to 15 kHz (model type 630A); the stand attachment under it, in this case model 442A (several types of attachment existed for this microphone). Its nickname, Eight-Ball, comes from its resemblance to the eight-ball of a pool table.
In Collection(s)
Signednear top, stamped: Western Electric USA 630A 1914
Inscribedtop of attachment: 442A
inside connector, under each pin: I G 2
inside connector, under each pin: I G 2
FunctionThis microphone was used at Harvard for acoustic experiments. Outside of academia, this microphone was widely used by radio broadcasting companies.