Technical Specifications - Beyerdynamic Classis BM 52 Produktinformation

Classis BM 52 – Boundary Microphone
Versions
Model
Classis BM 52
Classis BM 52 RC
Technical Specifications
Transducer type . . . . . . . . . . . . . Condenser
Operating principle . . . . . . . . . . . Pressure gradient
Frequency response. . . . . . . . . . . 45 - 20,000 Hz
Polar pattern . . . . . . . . . . . . . . . Semi-cardioid
Open circuit voltage . . . . . . . . . . 13 mV/PA
Nominal impedance . . . . . . . . . . < 200 Ω
Nominal output impedance . . . . . ≥ 1 kΩ
Max. SPL at 1 kHz . . . . . . . . . . . 114.2 dB
Signal-to-noise ratio . . . . . . . . . . 63.8 dB dBA, RMS
Noise voltage . . . . . . . . . . . . . . . 8.4 μV [A, RMS]
A-weighted equivalent SPL. . . . . . 30.2 dB [A]
Power supply . . . . . . . . . . . . . . . Phantom power:
Current consumption . . . . . . . . . . approx. 5.6 mA
Dimensions without connector
(L x W x H) . . . . . . . . . . . . . . . . . 105 x 76 x 25 mm
Weight without cable . . . . . . . . . . 147 g [5.19 oz]
Weight with cable . . . . . . . . . . . . 292 g [10.30 oz]
Description . . . . . . . . . Order #
black, integrated
pre-amp, 3 m cable
with 3-pin male
XLR connector . . . . . . . 729.442
black, remote control,
integrated pre-amp,
3 m cable with 5-pin
male XLR connector . . . 729.450
P48 (+48 VDC ±4 VDC, 6.8 kΩ ±20%)
P24 (+24 VDC ±4 VDC, 1.2 kΩ ±20%)
P12 (+12 VDC ±4 VDC, 680 Ω ±20%)
(back electret)
[4.13" x 2.99" x 0.98"]
11