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61
dB
(1 Pa/V)
Hz
60
dB
(V/Pa)
Hz
-100
-95
-90
-85
-80
-75
-70
-65
-62.5
-60
-55
-50
90
200
500
1k
2k
5k
10k
20k
Gamas de frecuencia y diagrama direcctional
Constant de transferencia y campo de difusión del auricular
Diagrama polar del micrófono
Gama de frecuencia del micrófono (medición de campo
cercano)
medida con boca artificial B&K 4219
Datos técnicos
HMD 280 PRO / HMD 281 PROȊHMD 280-13 / HMD 281-13
Auricular
Clasificación
( según IEC 268- 7) 268-7-IEC-DCSC-64R0-2/-1 Ȋ 268-7-IEC-DCSC-03R2-2/-1
Principio transductor dinámico Ȋ dinámico
Impedancia 64 (según IEC 268-7) Ȋ 300 (según IEC 268-7)
Potencia de entrada
permanente 0,5 W (según IEC 268-7) Ȋ 0,5 W (según IEC 268-7)
Acoplamiento al oído recubre el oído Ȋ recubre el oído
Gama de transmisión
(–10 dB respecto a 1 kHz) 8 Hz—25 kHz Ȋ 8 Hz—25 kHz
Nivel de presión sonora 102 dB (según IEC 268-7) Ȋ 102 dB (según IEC 268-7)
113 dB / 1 V
RMS
Ȋ 107 dB / 1 V
RMS
Insonorización máx. 32 dB Ȋ máx. 32 dB
Factor de distorsión < 0,1 % (a 1 kHz, 100 dB SPL) Ȋ < 0,1 % (a 1 kHz, 100 dB SPL)
Peso aprox. 310 g / 245 g Ȋ aprox. 310 g / 245 g
Fuerza de apriete del estribo aprox. 4 N Ȋ aprox. 4 N
Largo del cable espiraliforme mín. 1 m Ȋ mín. 1 m
máx. 3 m Ȋ máx. 3 m
Micrófono
Principio transductor micrófono dinámico Ȋ micrófono dinámico
Tipo de micrófono micrófono de gradiente de presión Ȋ micrófono de gradiente de presión
Característica directional extra-ovolado Ȋ extra-ovolado
(véase el diagrama polar) Ȋ (véase el diagrama polar)
Impedencia nominal 200 Ȋ 200
Coeficiente de habla de cerca –63 dBV/Pa (a 1 kHz) Ȋ –63 dBV/Pa (a 1 kHz)
y Transmisión (sensibilidad) 0,7 mV/Pa (a 1 kHz) Ȋ 0,7 mV/Pa (a 1 kHz)
Gama de campo cercano y
transmisión 50 hasta 13500 Hz Ȋ 50 hasta 13500 Hz
31


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