G.R.A.S. 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

Introduction

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

 

Frequency range (±2 dB) Hz 3.15 to 70 k
Dynamic range lower limit with G.R.A.S. preamplifier dB(A) 60
Dynamic range upper limit with G.R.A.S. 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
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

Typical pressure frequency response of the 46BG

Optional items

G.R.A.S. AA0070

3 m Microdot - BNC Cable

G.R.A.S. AA0073-CL

Customized Length Microdot - BNC Cable

G.R.A.S. AA0087-CL

Customized Length Microdot - Microdot Cable

G.R.A.S. AL0029

1/4" Microphone Holder, POM

G.R.A.S. AL0013

1/4" Microphone Holder, Stainless Steel

G.R.A.S. AL0005

Swivel head

G.R.A.S. AL0006

Tripod

G.R.A.S. RA0022

1/4" Nosecone

G.R.A.S. AM0071

Windscreen for 1/4" Microphones

G.R.A.S. RA0127

Rain-protection cap for 1/4” microphones

G.R.A.S. 12AL

1-Channel CCP Power Module with A-weighting filter

G.R.A.S. 12AQ

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

G.R.A.S. 42AB

Sound Calibrator, Class 1

G.R.A.S. 42AP

Intelligent Pistonphone, Class 0