Bose A30 Aviation English Owners Guide - Page 64

Technical Information, Headset specifications, SPECIFICATION, DESCRIPTION

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TECHNICAL INFORMATION HEADSET SPECIFICATIONS SPECIFICATION Headphone sensitivity DESCRIPTION 96.5 +/- 3.5 dBA SPL* *Measured per RTCA DO-214A ­Subparagraph 2.7.2.1(a) Headphone impedance Mono mode: 150 Ohm* Stereo mode: 300 Ohm* *Measured per RTCA DO-214A ­Subparagraph 2.3.4.1 Headphone frequency response Total span (max - min) +/- 7.5 dB* *Measured per RTCA DO-214A ­Subparagraph 2.7.2.1(b) Boom microphone ­sensitivity 400 mV RMS +/- 3 dB for 114 dB SPL at 1000 Hz* *Measured per RTCA DO-214A ­Subparagraphs 2.2.3.1 and 2.6.2.1 Boom microphone bias Operating range: 8.0 - 16 VDC* *Measured per RTCA DO-214A ­Subparagraph 2.6.2.1 Maximum ambient noise level Full active noise reduction operating range: 115 dB SPL Reduced active noise reduction operating range: 134 dB SPL Battery power source Two (2) AA alkaline batteries Battery life Up to 45 hours. ­Duration varies with battery quality, ambient noise levels, and use of the Bluetooth feature. Aircraft power source Aircraft power voltage range: 10 to 32 VDC Average power consumption 300 mW Fuse/breaker 1/4 amp, fast-blow fuse (AGC 1/4 amp fuse) or 1/2 amp circuit breaker Headset weight 12 ounces (headset only) | 6 4 E N G

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ENG
TECHNICAL INFORMATION
HEADSET SPECIFICATIONS
SPECIFICATION
DESCRIPTION
Headphone sensitivity
96.5 +/- 3.5 dBA SPL*
*Measured per RTCA DO-214A Subparagraph 2.7.2.1(a)
Headphone impedance
Mono mode: 150 Ohm*
Stereo mode: 300 Ohm*
*Measured per RTCA DO-214A Subparagraph 2.3.4.1
Headphone frequency
response
Total span (max - min) +/- 7.5 dB*
*Measured per RTCA DO-214A Subparagraph 2.7.2.1(b)
Boom microphone
sensitivity
400 mV RMS +/- 3 dB for 114 dB SPL at 1000 Hz*
*Measured per RTCA DO-214A Subparagraphs 2.2.3.1 and
2.6.2.1
Boom microphone bias
Operating range: 8.0 - 16 VDC*
*Measured per RTCA DO-214A Subparagraph 2.6.2.1
Maximum ambient
noise level
Full active noise reduction operating range: 115 dB SPL
Reduced active noise reduction operating range: 134 dB SPL
Battery power source
Two (2) AA alkaline batteries
Battery life
Up to 45 hours. Duration varies with battery quality, ambient
noise levels, and use of the
Bluetooth
feature.
Aircraft power source
Aircraft power voltage range: 10 to 32 VDC
Average power consumption
300 mW
Fuse/breaker
1/4 amp, fast-blow fuse (AGC 1/4 amp fuse) or 1/2 amp
circuit breaker
Headset weight
12 ounces (headset only)