Classis BM 33 B

beyerdynamic Article no: 489425

Price:
$379

Description

The Classis BM 32 / 33 / 34 condenser boundary microphones have been designed for flush mounting into tabletops or ceilings. The microphones have been designed for applications such as tele/videoconferencing, recording or amplification of round table discussions and wherever the microphone needs to be as unobtrusive as possible.

The Classis BM 33 has a half-spherical polar pattern making it ideal for large rooms.

The high sensitivity guarantees a constant output level even from long distance sources. Elastic bearing rings achieve mechanical isolation from the mounting surface and therefore offer effective sound isolation of the microphone.

Features:

Half-spherical polar pattern
Flat, wide range frequency response
High-quality reproduction of speech
Unobtrusive design
Ceiling or tabletop mounting
Fast and easy installation

Specifications:

Transducer type. . . . . . . . . . . . . . . . . . . . . . . . . . Condenser
Frequency response. . . . . . . . . . . . . . . . . . . . . . . 50 - 20,000 Hz
Polar pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . Half-spherical
Open circuit voltage
at 1 kHz (0 dB = 1 V/Pa) . . . . . . . . . . . . . . . . . . . 19 mV/Pa = -34.4 dBV
Nominal impedance . . . . . . . . . . . . . . . . . . . . . . 400Ω
Load impedance. . . . . . . . . . . . . . . . . . . . ≥ 2 kΩ
S/N ratio rel. to 1 Pa . . . . . . . . . . . . . . . . . . . . . . 68 dB [A]
Noise voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 µV [A]
Max. sound pressure level . . . . . . . . . . . . . . . . . . 117 dB [SPL @ 1% THD]
Equivalent SPL . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 dB [A]
Phantom supply . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 52 V
Current consumption . . . . . . . . . . . . . . . . . . . . . 2.0 mA
Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-pin XLR
Weight (with nut and bearing rings) . . . . . . . . . . approx. 85 g [0.19 lbs]

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