GRAS 46BG-FV 1/4" CCP Pressure Front Vented Microphone Set, High Pressure

Freq range: 3.15 Hz to 70 kHz
Dyn range: 60 dB(A) to 184 dB
Sensitivity: 0.25 mV/Pa

Technology

Introduction

46BG-FV is a front-vented version of the GRAS 46BG 1/4" CCP Pressure Standard Microphone Set, High Pressure. Apart from the venting, these microphone sets are identical. Learn more here.

 

Specifications

Frequency range (±2 dB)
Hz
3.15 to 70 k
Dynamic range lower limit with GRAS preamplifier
dB(A)
60
Dynamic range upper limit with GRAS CCP preamplifier
dB
184
Set sensitivity @ 250 Hz (±2 dB)
mV/Pa
0.25
Set sensitivity @ 250 Hz (±2 dB)
dB re 1V/Pa
- 72
Output impedance
Ω
<50
Output Voltage Swing, min. @ 24-28 V CCP voltage supply
Vp
8
Power supply min. to max.
mA
2 to 20
Power supply min. to max. (single/balanced)
V
N/A
DC bias voltage, typ.
V
12
Microphone venting
Front
IEC 61094-4 Compliance
WS3P
Temperature range, operation
°C / °F
-30 to 70 / -22 to 158
Temperature range, storage
°C / °F
-40 to 85 / -40 to 185
Temperature coefficient @250 Hz
dB/°C / dB/°F
-0.01 / -0.006
Static pressure coefficient @250 Hz
dB/kPa
-0.01
Humidity range non condensing
% RH
0 to 95
Humidity coefficient @250 Hz
dB/% RH
0.001
Influence of axial vibration @1 m/s²
dB re 20 µPa
63
TEDS UTID (IEEE 1451.4)
27 v. 1.0
Connector type
Microdot 10/32
CE/RoHS compliant/WEEE registered
Yes/Yes/Yes
Weight
g / oz
8 / 0.282
Specification Conditions

Typical pressure frequency response of the 46BG

GRAS Sound & Vibration reserves the right to change specifications and accessories without notice.

Dimensions

46BG FV dimension

Ordering info

Optional items

GRAS AA0070

3 m Microdot - BNC Cable

GRAS AA0073-CL

Customized Length Microdot - BNC Cable

GRAS AA0087-CL

Customized Length Microdot - Microdot Cable

GRAS AL0029

1/4" Microphone Holder, POM

GRAS AL0013

1/4" Microphone Holder, Stainless Steel

GRAS AL0005

Swivel head

GRAS AL0006

Tripod

GRAS RA0022

1/4" Nosecone

GRAS AM0071

Windscreen for 1/4" Microphones

GRAS RA0127

Rain-protection cap for 1/4” microphones

GRAS 12AL

1-Channel CCP Power Module with A-weighting filter

GRAS 12AQ

2-Channel Universal Power Module with signal conditioning and PC interface

GRAS 42AB

Sound Calibrator, Class 1

GRAS 42AP

Intelligent Pistonphone, Class 0

GRAS Sound & Vibration reserves the right to change specifications and accessories without notice.

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