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Bose PROFLIGHT AVIATION HEADSET Manual

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POR
INFORMAÇÕES TÉCNICAS
ESPECIFICAÇÃO DESCRIÇÃO
Sensibilidade do fone de ouvido 92 dB SPL, medida ao sinal de entrada de 1 mW, 1 kHz,
no modo Mono
Impedância do fone de ouvido Modo Mono: 300 Ohms ligado e desligado
Modo Estéreo: 600 Ohms ligado e desligado
Resposta de frequência do fone
de ouvido
Faixa RTCA-214a: 300 a 3500 Hz
Faixa estendida: 40 Hz a 15 kHz
Sensibilidade do microfone
dehaste
-27 dBV (+/- 2,5 dB) a 94 dB SPL (1 Pa), medida a uma
distância de 6 mm da boca artificial, em um resistor de
carga de 220 Ohms e polarizada com 12 VCC por um
resistor de 470 Ohms.
Polarização do microfone de haste Faixa de tensão de polarização operacional: 4 a 28 VCC
Nível máximo de ruído do ambiente 105 dBC SPL para o desempenho da redução de ruído
totalmente ativa
Fonte de alimentação das pilhas Duas (2) pilhas alcalinas AA
Duração das pilhas
45 horas em ruídos típicos das aeronaves comerciais.
A duração varia de acordo com a idade das pilhas,
osníveis de ruído do ambiente, a temperatura, o estado
das pontas do fonte e o uso do recurso Bluetooth.
Fonte de alimentação da aeronave Faixa de tensão de alimentação da aeronave: 4 a 32 VCC.
Consumo de energia médio 250 mW
Fusível/disjuntor recomendado Fusível rápido de 1/4 A (fusível AGC de 1/4 A)
oudisjuntor de 1/2 A
Peso do fone de ouvido 300 gramas, 140 gramas na cabeça
Faixa de tamanho do fone
deouvido
Regulador deslizante não estendido:
214 mm A x 161 mm L x 80 mm P
Regulador deslizante estendido:
259 mm A x 168 mm L x 80 mm P
Dimensões do módulo de controle 38,1 mm A x 38,1 mm L x 125 mm P
… 222 …


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