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Instruction Manual
Audio Test Station Type 2118
1-033 0703-1 A
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A highly versatile three-In-one desk top In-
strument for swept frequency response, 2"d
and 3rd order harmonic and lntermodulatlon
distortion measurements on hearing aids (to
ANSI 83.22-1976 and the IEC 118 revision),
earphones and microphones etc. It contains
a 100Hz to 10kHz stepped frequency sine
generator with choice of constant voltage
output or automatic regulation of external
excitation level via a prestored compression
curve; a broad and narrow frequency analyz-
er; plus a pen recorder. For response mea-
surements Input levels from 60 to 140 dB
SPL (250 ,.,. V to 2,5 V) can be accommodated
and a 1/2 Inch Condenser Microphone Type
4134 plus Microphone Preamplifier Type
2642 are supplied which may be fitted with a
wide variety of optional adaptors and cou-
plers for Interfacing hearing aids and other
test Items. Fully automatic control, easy-to-
use keyboard, and simple operating proce-
dure require minimum familiarization period.
+
Bri.iel
& Kjaer
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