Beyerdynamic CK 930 - Microphone Maintenance and Service; Cleaning and Maintenance; Service and Support Information; Technical Specifications

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Maintenance
If necessary you can clean the microphone and the power supply.
Make sure not to allow any liquids (water or cleaning agent) to
enter the microphone capsule or power supply.
Service
In the unlikely event of equipment failure, the microphone or power
supply should be returned to your beyerdynamic dealer. Do not try
to repair the microphone or power supply yourself, as this could
invalidate the guarantee.
Components
Model Description . . . . . . . . . . . . . . . . . . . . . . Order #
CK 930 Cardioid, XLR male . . . . . . . . . . . . . . . . . 490.806
CK 950 Supercardioid, XLR male . . . . . . . . . . . . . 499.978
CV 900 Power supply. . . . . . . . . . . . . . . . . . . . . . 490.814
MAV 900 Device for hanging installations of
CK 9** microphones. . . . . . . . . . . . . . . . 499.870
MKV 900 Microphone clamp to mount the
CK 930 / CK 950 microphone
to 3/8" stands. . . . . . . . . . . . . . . . . . . . . 498.971
MVK 900 Connecting cable between CK 930 / CK 950
and CV 900, length 3 m . . . . . . . . . . . . . 490.822
ST 900 Miniature desktop stand for CK 930 . . . . 490.849
CK 930 T Set
Microphone set consisting of:
CK 930 microphone,
CV 900 power supply, MVK 900 cable
and ST 930 stand . . . . . . . . . . . . . . . . . . 490.830
CK 930 3/8" Set
Microphone set consisting of:
CK 930 microphone,
CV 900 power supply,
MVK 900 cable and
MKV 900 microphone clamp. . . . . . . . . . 498.998
CK 950 3/8" Set
Microphone set consisting of:
CK 950 microphone,
CV 900 power supply,
MVK 900 cable and
MKV 900 microphone clamp. . . . . . . . . . 499.994
Technical Specifications
CK 930 measured with CV 900
Typ e CK 930 CK 950
Transducer type: Condenser Condenser
Operating principle: Pressure gradient Pressure gradient
Frequency response: 40 - 20,000 Hz 40 - 20,000 Hz
Polar pattern: Cardioid Supercardioid
Open circuit
voltage at 1 kHz:
30 mV/Pa
= -30.5 dBV 35 mV/Pa = -29 dBV
Nominal impedance: ≤ 180 Ω 180 Ω
Load impedance: ≥ 1 kΩ 1 kΩ
Max. SPL at 1 kHz
without
pre-attenuation:
with pre-attenuation:
125 dB
140 dB
123 dB
138 dB
Signal-to-noise ratio-
rel. to 1 Pa:
71 dB 72 dB
A-weighted
equivalent SPL:
16 dB 15 dB
Low-cut filter: switchable, 6 dB/
octave at 250 Hz
switchable, 6 dB/
octave at 250 Hz
Supply voltage: 11 - 52 V, phantom
power
11 - 52 V, phantom
power
Power consumption: 4.6 mA 4.6 mA
Connection: 4-pin mini XLR male
Pin 1 = 0 V
Pin 2 = +48 V Input
Pin 3 = NF-Output
Pin 4 = +8.2 V Input
4-pin mini XLR male
Pin 1 = 0 V
Pin 2 = +48 V Input
Pin 3 = NF-Output
Pin 4 = +8.2 V Input
Dimensions
Diameter:
Length:
21 mm
43 mm
21 mm
43 mm
Weight: 46 g 46 g