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Model Number

379A33

STEREO PAIR PHANTOM POWER MICROPHONE SYSTEMS

Revision: NR

ECN #: 47021

[5]

Performance

ENGLISH

SI

Nominal Microphone Diameter

1/2"

1/2"

Frequency Response Characteristic(at 0° incidence)

Free-Field

Free-Field

Sensitivity

12.6 mV/Pa

12.6 mV/Pa

[3]

Sensitivity

(± 1.5 dB)

-38 dB re 1 V/Pa

-38 dB re 1 V/Pa

[3]

Frequency Range(± 1 dB)

5 to 20,000 Hz

5 to 20,000 Hz

Frequency Range

(± 2 dB)

3.15 to 31,500 Hz

3.15 to 31,500 Hz

Frequency Range

(± 3 dB)

3.15 to 40,000 Hz

3.15 to 40,000 Hz

Lower Limiting Frequency(-3 dB)

1.0 to 2.4 Hz

1.0 to 2.4 Hz

Inherent Noise

22 dB(A) re 20 

µPa

22 dB(A) re 20 µPa [2][4]

Dynamic Range(3% Distortion Limit)

150 dB re 20 µPa

150 dB re 20 µPa

[2]

Environmental

Temperature Range(Operating)

-40 to +149 °F

-40 to +65 °C

Temperature Coefficient of Sensi14 to +149°F (-10 to 65°C))

0.003 dB/°F

0.006 dB/°C

[2][3]

Static Pressure Coefficient

-0.007 dB/kPa

-0.007 dB/kPa

[2][3]

Humidity Coefficient of Sensitivity(0 to 100%, non-condensing)

0.002 dB/%RH

0.002 dB/%RH

[3][2]

Influence of Axial Vibration(0.1g (1 m/s²))

66 dB re 20 µPa

66 dB re 20 µPa

[2]

Electrical

Polarization Voltage

0 V

0 V

[1]

Current Draw

6.5 mA

6.5 mA

[2]

Maximum Output Voltage

± 10 Vpk

± 10 Vpk

Output Impedance

<50 Ohm

<50 Ohm

Physical

Housing Material

Stainless Alloy

Stainless Alloy

Venting

Rear

Rear

Electrical Connector

3-Pin XLR

3-Pin XLR

Mounting Thread(Grid)

0.5 - 60 UNS

0.5 - 60 UNS

Size (Diameter x Height)(with grid)

0.79 in x 6.85 in

20.1 mm x 174.0 

mm

Weight

6.45 oz

183.0 gm

[2]

All specifications are at room temperature unless otherwise specified.
In the interest of constant product improvement, we reserve the right to change specifications without notice.

ICP

®

is a registered trademark of PCB Group, Inc. 

OPTIONAL VERSIONS

Optional versions have identical specifications and accessories as listed for the standard model 

except where noted below. More than one option may be used.

NOTES:

[1] Prepolarized
[2] Typical.
[3] re 250 Hz
[4] A-Weighted inherent noise is specified from 20 Hz - 20 kHz.
[5] See PCB Declaration of Conformance PS147 and PS167 for details.

SUPPLIED ACCESSORIES: 

Model 079A49 Phantom power preamplifier holder (2)
Model 64444-01 Half inch to quarter inch adaptor (2)
Model ACS-42 Calibration of microphone with preamplifer (2)

Entered: LK

Engineer: MJN

Sales: MV

Approved: NJF

Spec Number:

Date: 9/21/2017

Date: 9/21/2017

Date: 9/21/2017

Date: 9/21/2017

67497 

3425 Walden Avenue, Depew, NY 14043

Phone: 716-684-0001
Fax: 716-684-0987
E-Mail: [email protected]

Summary of Contents for 426 Series

Page 1: ...CROPHONE SYSTEMS Installation and Operating Manual For assistance with the operation of this product contact the PCB Piezotronics Inc Toll free 716 684 0001 24 hour SensorLine 716 684 0001 Fax 716 684...

Page 2: ...alized tests including sensitivity at elevated or cryogenic temperatures phase response extended high or low frequency response extended range leak testing hydrostatic pressure testing and others For...

Page 3: ...tion on particular operating steps The following symbols may be found on the equipment described in this manual This symbol on the unit indicates that high voltage may be present Use standard safety p...

Page 4: ...China RoHS 2 Disclosure Table Pb Hg Cd Cr VI PBB PBDE O O O O O O PCB X O O O O O O O O O O O X O O O O O O O O O O O O O O O O O O O O O O O O O X O O O O O O O O O X O O O O O O O O O O O X O O O O...

Page 5: ...O Wires O O O O O O Cables X O O O O O Plastic O O O O O O Solder X O O O O O Copper Alloy Brass X O O O O O This table is prepared in accordance with the provisions of SJ T 11364 O Indicates that sai...

Page 6: ...in which the instrument will be used Whether for legal purposes or for quality assurance programs these standards will help determine the required quality accuracy and consistency of the instrument St...

Page 7: ...owered with a 24V or a 12V phantom power supply but this will limit the maximum output voltage Externally Polarized Microphone System Prepolarized Microphone System Phantom Powered Microphone System T...

Page 8: ...em such as the preamplifier signal conditioner or instrumentation Conversely the Cartridge Thermal Noise CTN specification provides the lowest measurable sound pressure level that can be detected abov...

Page 9: ...rugged grid cap shown below and as an independent part of a rugged kit to extend the lifespan of the precision measuring device caution should be taken to ensure the delicate diaphragm sensing element...

Page 10: ...ustry standards ensures accurate calibra tion against relevant specifications We also carry a line of acoustic calibrators that can be used to calibrate microphone sensitivity on site as needed Hand c...

Page 11: ...mA 2 Maximum Output Voltage 10 Vpk 10 Vpk Output Impedance 50 Ohm 50 Ohm Physical Housing Material Stainless Alloy Stainless Alloy Venting Rear Rear Electrical Connector 3 Pin XLR 3 Pin XLR Mounting T...

Page 12: ...0 DECIMALS X 0 8 XX 0 25 KRM 9 20 17 KRM 9 20 17 MJN 9 20 17 67498 PCB Piezotronics Inc claims proprietary rights in the information disclosed hereon Neither it nor any reproduction thereof will be di...

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