Specifications – Sennheiser HD 25 SP User Manual
Page 2

Headphones
HD 25
Transducer principle
dynamic, closed
Ear coupling
supra-aural
Frequency response (headphones)
16 – 22,000 Hz (- 3 dB)
Nominal impedance
70 O (HD 25-1 II)
70 O (HD 25-C II)
600 O (HD 25-13 II)
70 O (HD 25-II)
Load rating
0.2 W
Contact pressure
approx. 2.5 N
Sound pressure level (SPL)
120 dB (SPL)
THD, total harmonic distortion
< 0.3 %
Jack plug
3.5/6.3 mm stereo
Cable length
HD 25-1 II: 1,5 m
HD 25-C II: 3 m (1 m)
HD 25-13 II: 3 m
HD 25-II: 2 m
Weight (without cable)
approx. 140 g
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Specifications
Variants
Cat. No.
EAN
UPC
HD 25-II, detachable steel cable, 2 m
502105
40 44156 02099 0
6 15104 13214 6
HD 25-1 II, detachable steel cable, 1,5 m, right-angled
502188
40 44156 02379 3
6 15104 13570 3
HD 25-C II, detachable coiled cable, 3 m (1 m)
502104
40 44156 02098 3
6 15104 13213 9
HD 25-13 II, detachable steel cable, 3 m, 600 O
502102
40 44156 02096 9
6 15104 13211 5
HD 25 SP II, detachable cable, 3 m
502103
40 44156 02097 6
6 15104 13212 2
Headphones
HD 25 SP
Transducer principle
dynamic, closed
Ear coupling
supra-aural
Frequency response (headphones)
30 – 16,000 Hz (- 3 dB)
Nominal impedance
60 O
Characteristic SPL
100 dB ± 2 dB
Load rating
0.2 W
Contact pressure
approx. 3 N
THD, total harmonic distortion
< 0.4 %
Jack plug
3.5/6.3 mm stereo
Cable length
3 m
Weight (without cable)
115 g