SCHOEPS CMIT 5 U - Handbuch (Seite 25)

SCHOEPS GmbH · Spitalstr. 20 · D-76227 Karlsruhe (Durlach) · Tel: +49 721 943 20-0 · Fax: +49 721 943 2050
www.schoeps.de · [email protected]
Technical Specifications
25
English
Directional pattern: . . . . . . . . . . . .Supercardioid / lobe-shaped
Frequency range: . . . . . . . . . . . . .40 Hz – 20 kHz
Switchable filters: . . . . . . . . . . . . .80 Hz with 18 dB/oct.,
300 Hz with 6 dB/oct.,
5 dB lift at 10 kHz (shelving)
Sensitivity: . . . . . . . . . . . . . . . . . .17 mV/Pa
Equivalent noise level (filters off): . .14 dB-A*, 24 dB CCIR**
Maximum sound pressure level: . .132 dB SPL at 0.5% THD
Polarity: . . . . . . . . . . . . . . . . . . . .An excursion of the diaphragm towards the back electrode
(positive pressure phase) leads to a positive signal at pin 2.
Powering: . . . . . . . . . . . . . . . . . .48 V ± 4 V phantom
Current consumption: . . . . . . . . .4.4 mA
Maximum output voltage: . . . . . .1.3 V (at 1 kHz, 1 kOhms)
Output impedance: . . . . . . . . . . .50 Ohms
Recommended load impedance: . .600 Ohms or greater
Dimensions: . . . . . . . . . . . . . . . . .Length: 251 mm,
Diameter: 21 mm
Weight: . . . . . . . . . . . . . . . . . . . .Only 89 g (3-1/8 ounces)
Surface finish: . . . . . . . . . . . . . . . .Anodized
Technical Specifications:
From outer
to inner:
250 Hz 4 kHz
500 Hz 8 kHz
1 kHz 16 kHz
2 kHz
* According to IEC 61672-1
** According to IEC 60268-1
Polar diagram
Frequency response curve without filters at 0°, 30°, 60°, 90°
angle of incidence
Frequency response (tolerances shown)
Frequency response curve:
1) Without filters
2) 80 Hz, 18 dB/oct.
3) 300 Hz, 6 dB/oct. 4) 80 Hz + 300 Hz 5) 10 kHz: +5 dB
20 50 100 200 500 1k 2k 5k 10k 20kHz
+10
-10
0dB
-20
20 50 100 200 500 1k 2k 5k 10k 20kHz
+10
-10
0dB
-20
20 50 100 200 500 1k 2k 5k 10k 20kHz
+10
-10
0dB
-20
30°
60°
90°
1
2
3
4
5
1