ETMC Technologies - GRAS - MIcrophone Capsules

C-W DS

DJB

GRAS

Helitune

Haigh-Farr

Norsonic

Prosig

SDS

Sensonor

Syrlinks

GRAS Sound & Vibration - Microphones

rugged microphone sets

standard microphone sets

special microphone sets

microphone capsules

preamplifiers

power modules

simulators, test systems

pistonphones & calibration

intensity pairs & probes

sound power hemisphere

accessories

1" externally polarised microphones

Type 40EN

1" pressure

Freq range: 2.6 Hz to 8 kHz

Dyn range: 9.6 dB(A) to 146 dB

Sensitivity: 50 mV/Pa

Polarising Voltage: 200 V

Use: IEC 61094 WS1F

½" externally polarised microphones

Type 40AC - ½" free field

wide frequency

Type 40AF - ½" free field

Type 40AN - ½" free field

low frequency

Freq range: 3.15 Hz to 40 kHz

Dyn range: 20 dB(A) to 164 dB

Sensitivity: 12.5 mV/Pa

Polarising Voltage: 200 V

Use: IEC 61094 WS2F, wide frequency

Freq range: 3.15 Hz to 20 kHz

Dyn range: 14 dB(A) to 149 dB

Sensitivity: 50 mV/Pa

Polarising Voltage: 200 V

Use: general purpose

Freq range: 0.5 Hz to 20 kHz

Dyn range: 14 dB(A) to 149 dB

Sensitivity: 50 mV/Pa

Polarising Voltage: 200 V

Use: low frequeny

Type 40AP - ½" pressure

high sensitivity

Type 40AG - ½" pressure

Type 40AU-1 - ½" pressure

reference

Freq range: 3.15 Hz to 10 kHz

Dyn range: 16 dB(A) to 149 dB

Sensitivity: 50 mV/Pa

Polarising Voltage: 200 V

Use: EC 61094 WS2P, coupler/boundary

(available with front-venting)

Freq range: 3.15 Hz to 20 kHz

Dyn range: 20 dB(A) to 160 dB

Sensitivity: 12.5 mV/Pa

Polarising Voltage: 200 V

Use: IEC 61094 WS2P

Freq range: 3.15 Hz to 20 kHz

Dyn range: 20 dB(A) to 160 dB

Sensitivity: 12.5 mV/Pa

Polarising Voltage: 200 V

Use: IEC 61094 LS2aP

Type 40AP-FV - ½" pressure

high sensitivity, front vented

Type 40AR - ½" random

incidence

Freq range: 3.15 Hz to 10 kHz

Dyn range: 16 dB(A) to 149 dB

Sensitivity: 50 mV/Pa

Polarising Voltage: 200 V

Use: EC 61094 WS2P, coupler/boundary

Freq range: 3.15 Hz to 12.5 kHz

Dyn range: 15 dB(A) to 149 dB

Sensitivity: 50 mV/Pa

Polarising Voltage: 200 V

Use: random incidence

¼" externally polarised microphones

Type 40BP - ¼" pressure

Type 40BP-FV - ¼" pressure

front vented

Type 40BH - ¼" pressure

extremely high levels

Freq range: 4 Hz to 70 kHz

Dyn range: 34 dB(A) to 169 dB

Sensitivity: 1.6 mV/Pa

Polarising Voltage: 200 V

Use: IEC 61094 WS3P

Freq range: 4 Hz to 70 kHz

Dyn range: 34 dB(A) to 169 dB

Sensitivity: 1.6 mV/Pa

Polarising Voltage: 200 V

Use: IEC 61094 WS3P, front vent

Freq range: 10 Hz to 20 kHz

Dyn range: 54 dB(A) to 193 dB

Sensitivity: 0.4 mV/Pa

Polarising Voltage: 200 V

Use: IEC 61094 WS3P, impulse

Type 40BD - ¼" pressure

Type 40BD-FV - ¼" pressure front vented

Type 40BF - ¼" free-field

Freq range: 4 Hz to 70 kHz

Dyn range: 34 dB(A) to 174 dB

Sensitivity: 1.6 mV/Pa

Polarising Voltage: 200 V

Use: general pressure, high frequency

Freq range: 4 Hz to 70 kHz

Dyn range: 34 dB(A) to 174 dB

Sensitivity: 1.6 mV/Pa

Polarising Voltage: 200 V

Use: IEC 61094 WS3F

Freq range: 4 Hz to 100 kHz

Dyn range: 30 dB(A) to 172 dB

Sensitivity: 4 mV/Pa

Polarising Voltage: 200 V

Use: IEC 61094 WS3F

⅛" externally polarised microphones

Type 40DP - ⅛" pressure

Freq range: 6.5 Hz to 140 kHz

Dyn range: 52 dB(A) to 178 dB

Sensitivity: 1 mV/Pa

Polarising Voltage: 200 V

Use: high level, impulse

½" pre-polarised microphones

Type 40AM - ½" free field

wide frequency

Type 40AE - ½" free field

Type 40AZ - ½" free field

low frequency

Freq range: 3.15 Hz to 31.5 kHz

Dyn range: 20 dB(A) to 163 dB

Sensitivity: 14.5 mV/Pa

Polarising Voltage: 0 V

Use: IEC 61094 WS2F, wide frequency

Freq range: 3.15 Hz to 20 kHz

Dyn range: 15 dB(A) to 148 dB

Sensitivity: 50 mV/Pa

Polarising Voltage: 0 V

Use: general purpose

Freq range: 0.5 Hz to 20 kHz

Dyn range: 14 dB(A) to 148 dB

Sensitivity: 50 mV/Pa

Polarising Voltage: 0 V

Use: low frequeny

Type 40AD - ½" pressure

high sensitivity

Type 40AO - ½" pressure

Type 40AQ - ½" random incidence

Freq range: 3.15 Hz to 10 kHz

Dyn range: 16 dB(A) to 148 dB

Sensitivity: 50 mV/Pa

Polarising Voltage: 0 V

Use: EC 61094 WS2P, coupler/boundary

Freq range: 3.15 Hz to 20 kHz

Dyn range: 25 dB(A) to 163 dB

Sensitivity: 12.5 mV/Pa

Polarising Voltage: 0 V

Use: IEC 61094 WS2P

(available with front-venting)

Freq range: 3.15 Hz to 12.5 kHz

Dyn range: 16 dB(A) to 148 dB

Sensitivity: 50 mV/Pa

Polarising Voltage: 0 V

Use: random incidence

¼" pre-polarised microphones

Type 40BE - ¼" free field

Type 40BE-FV - ¼" free field

front venting

Type 40BD - ¼" pressure

Freq range: 4 Hz to 80 kHz

Dyn range: 30 dB(A) to 168 dB

Sensitivity: 4 mV/Pa

Polarising Voltage: 0 V

Use: general purpose

Freq range: 4 Hz to 80 kHz

Dyn range: 30 dB(A) to 168 dB

Sensitivity: 4 mV/Pa

Polarising Voltage: 0 V

Use: general purpose

Freq range: 4 Hz to 70 kHz

Dyn range: 44 dB(A) to 174 dB

Sensitivity: 1.6 mV/Pa

Polarising Voltage: 0 V

(available with front-venting)

⅛" pre-polarised microphones

Type 40DD - ⅛" pressure

Freq range: 6.5 Hz to 70 kHz

Dyn range: 49 dB(A) to 175 dB

Sensitivity: 0.7 mV/Pa

Polarising Voltage: 14.5 V

Use: high level, impulse

IMPORTANT NOTES:

1. many GRAS pressure microphone capsules have front vented variants available

2. we aim to have all information accurate and current, please be aware that 'correct' specifications/details are as per GRAS website

(click on the product to view detailed specifications/information)