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GRAS 46BL-1
GRAS 46BL-1
GRAS 46BL-1

The 46BL-1 is a 1/4" CCP pressure high sensitivity microphone set with 20 mV/Pa, low noise floor 24 dB(A), suitable for sensitive measurements in small spaces.

· Key Specifications:

  • Sensitivity: 20 mV/Pa.
  • Dynamic range: 24 dB(A) to 146 dB.
  • Frequency range: 4 Hz to 20 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Type: Pressure high sensitivity.
  • TEDS: Yes.
  • Noise floor: 24 dB(A).
Product details
Related Products
GRAS 46BH-1
GRAS 46BH-1

The 46BH-1 is a 1/4" LEMO pressure high pressure microphone set with 200V polarization, low sensitivity for very high sound levels.

· Key Specifications:

  • Sensitivity: Low for high pressure.
  • Dynamic range: High peak SPL.
  • Frequency range: High frequency.
  • Operating temperature: -30°C to +100°C.
  • Connector: LEMO.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Type: Pressure high pressure.
GRAS 46BP-1
GRAS 46BP-1

The 46BP-1 is a standard 1/4" LEMO pressure microphone set with 200V polarization, suitable for high-frequency pressure measurements with high reliability.

· Key Specifications:

  • Sensitivity: ~4 mV/Pa.
  • Dynamic range: 35 dB(A) to 160 dB.
  • Frequency range: 4 Hz to 70 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: LEMO.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Type: Pressure.
GRAS 46AD
GRAS 46AD

The 46AD is a 1/2" CCP pressure microphone set with high sensitivity 50 mV/Pa, suitable for sensitive sound pressure measurements in couplers or boundaries with low noise floor.

· Key Specifications:

  • Sensitivity: 50 mV/Pa.
  • Dynamic range: 17 dB(A) to 146 dB.
  • Frequency range: 3.15 Hz to 20 kHz.
  • Operating temperature: -30°C to +85°C.
  • Connector: BNC.
  • Type: Pressure high sensitivity.
  • TEDS: Yes.
  • Standard: IEC 61094 WS2P.
GRAS 46DD-FV
GRAS 46DD-FV

The 46DD-FV is a 1/8" CCP pressure front vented microphone set using 40DD cartridge, suitable for pressure measurements in confined spaces with front venting to minimize static pressure effects, ideal for special coupler applications.

· Key Specifications:

  • Sensitivity: Approximately 1 mV/Pa.
  • Dynamic range: Approximately 45 dB(A) to 170 dB.
  • Frequency range: 10 Hz to 140 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Venting: Front.
  • TEDS: Yes.
  • Polarization: 0 V.
GRAS 46BG
GRAS 46BG

The 46BG is a 1/4" CCP pressure high pressure microphone set, low sensitivity for very high sound levels.

· Key Specifications:

  • Sensitivity: Low (high pressure optimized).
  • Dynamic range: High peak (up to high dB).
  • Frequency range: High frequency.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Type: Pressure high pressure.
  • TEDS: Yes.
  • Peak SPL: Very high.
GRAS 40HH
GRAS 40HH

The 40HH is a 1/2" low-noise system measuring very low sound below hearing threshold, suitable for hard-disk or quiet room measurements with extremely low noise floor.

· Key Specifications:

  • Sensitivity: High.
  • Dynamic range: Very low noise floor.
  • Frequency range: Wide.
  • Noise floor: Below human hearing.
  • Connector: Complete system.
  • Polarization: Externally polarized.
  • Size: 1/2".
  • Application: Hard-disk, quiet rooms.
GRAS 46BF-1
GRAS 46BF-1

The 46BF-1 is a standard 1/4" LEMO free-field microphone set with 200V polarization, suitable for high-frequency and high-level measurements with mini LEMO connector.

· Key Specifications:

  • Sensitivity: ~4 mV/Pa.
  • Dynamic range: 35 dB(A) to 160 dB.
  • Frequency range: 4 Hz to 80 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: 5-pin LEMO mini.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Type: Free-field.
GRAS 46BD
GRAS 46BD

The 46BD is a standard 1/4" CCP pressure microphone set, ~4 mV/Pa sensitivity, suitable for high-frequency and high-level measurements.

· Key Specifications:

  • Sensitivity: ~4 mV/Pa.
  • Dynamic range: 35 dB(A) to 160 dB.
  • Frequency range: 4 Hz to 70 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Type: Pressure.
  • TEDS: Yes.
  • Standard: IEC 61094 WS3P.