Behringer DUAL DIAPHRAGM CONDENSER MICROPHONE B-2 PRO User Manual

Technical Specifications
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Transducer type: condenser, 1" dual-diaphragm
Operating principle: pressure gradient
Polar pattern: cardioid, omnidirectional or figure eight
Connection: gold-plated balanced XLR connector
Open circuit sensitivity (at 1 kHz): cardioid: -36 dBV (0 dBV = 1 V/Pa), 16 mV/Pa
omnidir.: -37 dBV (0 dBV = 1 V/Pa), 14 mV/Pa
figure eight: -35 dBV (0 dBV = 1 V/Pa), 18 mV/Pa
Frequency response: 20 Hz - 20 kHz
Level attenuation: -10 dB (switchable)
Low-Cut filter: 6 dB/oct. at 150 Hz (switchable)
Max. SPL (1% THD @ 1 kHz): cardioid: 138 dB (0 dB), 148 dB (-10 dB)
omnidir.: 139 dB (0 dB), 149 dB (-10 dB)
figure eight: 137 dB (0 dB), 147 dB (-10 dB)
Equivalent SPL (IEC 651): 17 dB-A (cardioid)
18 dB-A (omnidirectional)
16 dB-A (figure eight)
Signal-to-noise ratio: 77 dB, A-weighted (cardioid)
76 dB, A-weighted (omnidirectional)
78 dB, A-weighted (figure eight)
Nominal impedance: <100 Ω
Load impedance: >1 kΩ
Supply voltage: +48 V
Supply current: 3 mA
Dimensions: ∅ head: 56 mm, ∅ shaft: 50 mm, length: 210 mm
Weight: approx. 0.55 kg
STUDIO CONDENSER MICROPHONE B-2 PRO
ENGLISH
Version 1.0 September 2002
www.behringer.com

Behringer DUAL DIAPHRAGM CONDENSER MICROPHONE B-2 PRO Specifications

General

Type	Condenser
Diaphragm Size	1 inch
Polar Pattern	Cardioid, Omni, Figure-8
Frequency Response	20 Hz - 20 kHz
Impedance	200 Ohms
Connector	XLR
Power Requirements	48V Phantom Power
Equivalent Noise Level	16 dB
Max SPL	138 dB (with pad)

Summary

Technical Specifications

Transducer Type and Operating Principle

Details the microphone's dual-diaphragm condenser transducer and pressure gradient operating principle.

Polar Pattern Options

Specifies the selectable polar patterns: cardioid, omnidirectional, and figure eight.

Connection Type

Indicates the microphone uses a gold-plated balanced XLR connector.

Sensitivity and Frequency Response

Provides open circuit sensitivity and frequency response range (20 Hz - 20 kHz).

Attenuation and Filter Features

Details the switchable -10 dB level attenuation and 150 Hz low-cut filter.

Maximum SPL and Equivalent SPL

Specifies maximum SPL before distortion and self-noise level (IEC 651).

Signal-to-Noise Ratio and Impedance

Lists signal-to-noise ratio and nominal/load impedance requirements.

Power and Physical Specifications

Details supply voltage, current, dimensions, and weight.

Polar Pattern Diagrams

Cardioid Polar Pattern

Graphical representation of the cardioid polar pattern at different frequencies.

Omnidirectional Polar Pattern

Graphical representation of the omnidirectional polar pattern at different frequencies.

Figure Eight Polar Pattern

Graphical representation of the figure eight polar pattern at different frequencies.

Frequency Response Diagrams

Cardioid Frequency Response

Shows the frequency response curve for the cardioid pattern.

Omnidirectional Frequency Response

Shows the frequency response curve for the omnidirectional pattern.

Figure Eight Frequency Response

Shows the frequency response curve for the figure eight pattern.