Pilot USA PA-1779T User Manual
Page 6

6
6.0 Transducers
Audio Speaker Impedance: 300 Ohm
Military: 19 Ohm
Nominal Power: 100 mW
Max Power: 200 mW
SPL: 106 + 2dB at 1 KHz
Effective Frequency Range: 200 Hz – 20,000 Hz
Effective DNC Frequency Range: 30 Hz – 8000 Hz
Active Noise Reduction: 20 – 22 dB at 100 Hz
Maximum Ambient Noise Level: 120 dB SPL
6.1 Enhanced Voice Intelligibility (EVI) Circuit
2 – 4 dB Gain at 500 – 1000 Hz when DNC is ON
Signal Noise Ratio: Less than 58 dB
6.2 Nickel Metal Hydride Battery
8.4V 720 mAH
Battery Charger: 100V Input 10.15 VDC 90mA
200V Input 10.15 VDC 90mA
Charge Time: @12 – 16 Hours
Usage Time: @ 45 – 50 Hours Continuous Usage Depending On Noise Level
Battery Life: @1000 Charges or @ 5000 Hours Total Usage
Auto Shut-Off Timer: Between 15 and 30 Seconds Auto Shut-Off will take place and the LED light will dim
as power to the ANR System is turned off.
Pilot Communications USA
70 Maxwell
Irvine, CA 92618
Toll Free: 1-888-GO-PILOT Tel: 949-748-8880 Fax: 949-748-8881