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Table of Contents
Related Manuals for G.R.A.S. 67AX
Summary of Contents for G.R.A.S. 67AX
- Page 1 Instruction Manual GRAS 67AX and 67AD Ground Array Microphone Systems...
- Page 2 Trademarks Any other product names mentioned in this document may be trademarks or registered trade- marks of their respective companies and are hereby acknowledged. Instruction Manual 67AX and 67AD CCP Ground Microphone System | 2...
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Page 3: Table Of Contents
Dimensions and Data for 67AX ........................... 8 Dimensions and Data for 67AD ..........................9 Ordering Information ..........................10 Accessories ................................10 Warranty and Repair ........................... 10 Calibration ................................10 Warranty ..................................10 Service and Repairs .............................10 Instruction Manual 67AX and 67AD CCP Ground Microphone System | 3... -
Page 4: Introduction
Introduction This manual describes how to assemble and calibrate the 67 series ground array sets: • 67AX ½” CCP fl ush-mounted microphone, low sensitivity • 67AD ½” CCP fl ush-mounted microphone, high sensitivity Delivered Items The following table lists the items included with the 67series package. -
Page 5: Assembling The 67 Series System
5. Fasten the safety clip over the cable with 2 screws. These steps are shown in Fig. 1. (× 8) Fig. 1. A view of the order for assembling the parts of the 67AX/67AD. Instruction Manual 67AX and 67AD CCP Ground Microphone System | 5... -
Page 6: Calibration
RA0216 Calibration Adapter Kit Ground plate Fig. 2. How to mount and use the calibration adapter holder. Consult the manual for your pistonphone on how to correct for the static pressure. Instruction Manual 67AX and 67AD CCP Ground Microphone System | 6... -
Page 7: On-Site Frequency Calibration
3. Insert the microphone into the adapter on the pistonphone. Press gently to ensure that the microphone is inserted as far as it can go. 4. Turn on the pistonphone and calibrate as described in the instruction manual for the piston- phone. Instruction Manual 67AX and 67AD CCP Ground Microphone System | 7... -
Page 8: Technical Specifi Cations
Infl uence of axial vibration equivalent to 1 m/s² 66 dB re. 20µPa Venting Rear-vented Data was collected in a temperature of 23 °C (±3 °C) and in a relative humidity of 60 % ±20 %. Instruction Manual 67AX and 67AD CCP Ground Microphone System | 8... -
Page 9: Dimensions And Data For 67Ad
Infl uence of axial vibration equivalent to 1 m/s² 66 dB re. 20µPa Venting Rear-vented Data was collected in a temperature of 23 °C (±3 °C) and in a relative humidity of 60 % ±20 %. Instruction Manual 67AX and 67AD CCP Ground Microphone System | 9... -
Page 10: Ordering Information
All GRAS products are made of high-quality materials that will ensure life-long stability and robustness. The 67AX is delivered with a 5-year warranty. Damaged diaphragms in microphones can be replaced. The warranty does not cover products that are damaged due to negligent use, an incorrect power supply, or an incorrect connection to the equipment.
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