18
Specifications of the C 391 B:
Electrical working principle:
condenser microphone, self-
polarized
Acoustical working principle:
pressure gradient receiver
Frequency range:
20–20,000 Hz ±2 dB from nominal
frequency curve
Open-circuit sensitivity (at 1000 Hz): 10 mV/Pa
Ⳏ
–40 dBV re. 1 V/Pa
Electrical impedance:
200 ohms
Recommended load impedance:
1000 ohms
Weighted sound pressure level acc.
to DIN 45405 (CCIR 468-2):
26 dB
Weighted sound pressure level acc.
to DIN 45412 (A-weighted):
17 dB-A
S/N ratio in ref. to 1 Pa (A-weighted): 77 dB
Max. sound pressure level:
80 Pa
Ⳏ
132 dB SPL at 1000 Hz,
2000 ohms load imped. and 1 %
THD
250 Pa
Ⳏ
142 dB SPL with 10 dB
pre-attenuation
Operating temperature range:
–20° C to +60° C (–4° F to +140° F)
Acceptable humidity level:
99% at +20° C (68° F)
95% at +60° C (140° F)
Powering:
9–52 volts d.c. acc. to DIN 45596
Current consumption:
2 mA
Outer dimensions:
19 mm
x 147 mm
(3/4
x 5.8 inch)
Net weight:
approx. 115 g (4.1 oz)
Housing material:
brass
Housing finish:
matte-grey
Connector:
3 pin. XLR type
Connections:
acc. to IEC
This product conforms to EN 50 082-1
Содержание C 319B
Страница 19: ...19 Overview of the Complete System...
Страница 28: ...28 Sch ma du syst me...
Страница 46: ...46 Cuadro general del sistema completo...
Страница 55: ...55 Vis o geral do sistema completo...