Specifications
(measureed with C 480 B preamplifier)
Type:
Combined pressure gradient/interference microphone
Frequency range:
20 to 18.000 Hz ± 2 dB from specified curve
Sensitivity at 1000 Hz
0 dB position:
27 mV/Pa
Ⳏ
-31 dBV*)
+6 dB position:
54 mV/Pa
Ⳏ
-25 dBV*)
-10 dB position:
8.5 mV/Pa
Ⳏ
-41 dBV*)
Plar pattern:
Directional
Impedance:
≤
150
Ω
Recommended load impedance:
2000
Ω
// 1 nF (IEC 268 15 A)
Equivalent noise level to DIN 45 405
(CCIR 468-2)
0 dB position:
16 dB
+6 dB position:
20 dB
-10 dB position:
25 dB
Equivalent noise level to DIN 45 412
(A weighted)
0 dB position:
9 dB-A
+6 dB position:
11 dB-A
-10 dB position:
15 dB-A
Signal/noise ratio re 1 Pa (A weighted)
0 dB position:
85 dB
+6 dB position:
83 dB
-10 dB position:
79 dB
Max. SPL for 0.5 % THD
0 dB position:
200 Pa
Ⳏ
140 dB SPL**)
+6 dB position:
100 Pa
Ⳏ
134 dB SPL**)
-10 dB position:
250 Pa
Ⳏ
142 dB SPL**)
*
*) re 1 V/Pa
**) into recommended load impedance
Содержание CK 69-ULS
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