
Model 377A12 1/4" pressure 0.25 mV/Pa (±3 dB), 4 ... 20 kHz (±2 dB	Model 377A13 1/2" pressure 12.5 mV/Pa (±2 dB), 4 ... 20 kHz (±2 dB)	Model 377B02 1/2" free-field 50 mV/Pa (±1.5 dB), 3.15 ... 20 kHz (±2 dB)


Model 377B11 1/2" pressure 50 mV/Pa (±1.5 dB), 3.15 ... 10 kHz (±2 dB)	Model 377B20 1/2" random incidence 50 mV/Pa (±1.5 dB), 3.15 ... 12.5 kHz (±2 dB)	Model 377C01 1/4" free-field 2 mV/Pa (±3 dB), 5.4 ... 80 kHz (± 2 dB)


Model 377C10 1/4" pressure 1.0 mV/Pa (±3 dB), 4 ... 70 kHz (±2 dB)	Model 378C01 1/4" Free-Field Prepolarized Microphone and Preamplifier 4 ... 80 kHz (±2dB)	Model 426A10 1/2" ICP® Preamplifier 20 Hz high-pass filter 80 ... 125,000 Hz (±0.1dB)


Model 426A11 1/2" ICP® Preamplifier Gain and filter swithces 5 ... 125,000 Hz (±0.2dB)	Model 426B03 1/4" ICP® Preamplifier 3.2 ... 126,000 Hz (±0.1dB)	Model 426E01 1/2" ICP® Preamplifier 6.3 ... 125,000 Hz (±0.1dB)


	Model HT426E01 1/2" ICP® Preamplifier High temperature (<120ºC) 6.3 ... 125,000 Hz (±0.1dB)

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Applications

• Noise, Vibration and Harshness (NVH) Testing
• Environmental Noise Analysis
• Sound Power Testing

• Transfer Path Analysis
• Sound Pressure Mapping
• General Noise Reduction