Sennheiser HD 280 - Manual (Page 10)

9
Specifications
HD 280 pro
HD 280 silver HD 280-13
Classification
(as per IEC 268-7) 268-7-IEC-DCSC-64R0-2 268-7-IEC-DCSC-03R2-2
Transducer principle dynamic dynamic
Impedance 64
Ω
(as per IEC 268-7) 300
Ω
(as per IEC 268-7)
Long-term max. input power 0.5 W (as per IEC 268-7) 0.5 W (as per IEC 268-7)
Ear coupling circum-aural circum-aural
Frequency response
(–10 dB referred to 1 kHz) 8 Hz – 25 kHz 8 Hz – 25 kHz
Sound pressure level 102 dB (as per IEC 268-7)
113 dB / 1 V
rms
102 dB (as per IEC 268-7)
107 dB / 1 V
rms
Ambient noise attenuation max. 32 dB max. 32 dB
THD < 0.1 % (at 51 kHz, 100 dB SPL) < 0.1 % (at 1 kHz, 100 dB SPL)
Weight approx. 285 g approx. 285 g
Contact pressure approx. 6 N approx. 6 N
Length of coiled cable min. 1 m
max. 3 m min. 1 m
max. 3 m