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Summary of Contents for PCB Piezotronics 377A07
- Page 1 Model 377A07 Precision Condenser Microphone Installation and Operating Manual For assistance with the operation of this product, contact PCB Piezotronics, Inc. Toll-free: 800-828-8840 24-hour SensorLine: 716-684-0001 Fax: 716-684-0987 E-mail: info@pcb.com Web: www.pcb.com...
- Page 2 Returning Equipment – Following the equipment to PCB Piezotronics for these procedures will insure that your repair. User servicing or repair is not returned materials are handled in the recommended and, if attempted, may most expedient manner.
- Page 3 PCB Piezotronics, Inc. Warranty – All equipment and repair 3425 Walden Ave. services provided by PCB Piezotronics, Depew, NY 14043 USA Inc. are covered by a limited warranty Toll-free: (800) 828-8840 against defective...
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Page 4: Table Of Contents
PRODUCT GUIDE 377 SERIES MICROPHONES 426 SERIES PREAMPLIFIERS Contents: Introduction ................1 Standards ..................1 Setting up a Microphone Measurement System ......1 Taking Measurements ..............2 Accessories ................. 3 Maintenance ................3 Calibration .................. 4 Warranty and Service ..............4 1.0 Introduction Thank you for your purchase of a PCB high quality microphone. -
Page 5: Taking Measurements
Externally Polarized Microphone System Prepolarized Microphone System 4.0 Taking Measurements The following formula is used to calculate the pressure measured by the microphone from the output volt- age signal. The sensitivity of a microphone is typically measured at 250 Hz. Pressure (Pa) = Voltage (mV) / Sensitivity (mV/Pa). -
Page 6: Accessories
Temperature and pressure will affect the sensitivity of a microphone but these effects can be accounted for by adjusting the recorded microphone values using the coefficients specified for each microphone model. Simply calculate the difference in temperature and ambient pressure from those recorded during calibration and multiply this value by the proper coefficient to determine the sensitivity offset. -
Page 7: Calibration
8.0 Warranty and Service All equipment and repair services provided by PCB Piezotronics, Inc. are covered by a warranty against defective material and workmanship under a Total Customer Satisfaction policy. If, at any time, for any reason, you are not completely satisfied with any PCB product, PCB will repair, replace, or exchange it at no charge. - Page 8 Model Number Revision: NR PRECISION CONDENSER MICROPHONE 377A07 ECN #: 44086 Performance ENGLISH OPTIONAL VERSIONS Nominal Microphone Diameter 1/2" 1/2" Optional versions have identical specifications and accessories as listed for the standard Frequency Response Characteristic(at 0° incidence) Free-Field Free-Field model except where noted below. More than one option may be used.
- Page 9 PCB Piezotronics Inc. claims proprietary rights in REVISIONS the information disclosed hereon. Neither it nor any reproduction thereof will be disclosed to others DESCRIPTION without the written consent of PCB Piezotronics Inc. RELEASED TO DRAFTING 44086 .52 [13.2] DIAPHRAGM Ø...
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