Sennheiser HD 25 SP / -1 - Manual (Page 3)

HD 25 SP / HD 25 SP-1
Closed, dynamic headphone for use as monitor headphone in
professional studios, for cutting and during outdoor recordings.
FEATURES
• Extremely lightweight headphone for long monitoring
• Good screening against ambient noise, thus high feedback rejection
in the studio
• High maximum sound pressure level
• Various connections possible due to a nominal impedance of 85 Ω
• Sturdy, pluggable cable, exchangeable
• Neodymium magnet systems with high efficiency, lightweight
AlCu coil wire for good transient response
• Spare parts available for a period of ten years after purchase
TECHNICAL DATA
Frequency response 30-16,000 Hz
Acoustic principle dynamic, closed
Nominal impedance 85 Ω
Sound pressure level 100 dB
Max. sound pressure level 120 dB
Power handling capacity 0.2 W as per DIN 45580
THD 0.4 %
Coupling to the ears supraaural
Headband pressure ca. 3 N
Weight without cable 115 g
Cable 3 m
Plug HD 25 SP: 6.3 mm ø stereo phone plug
HD 25 SP-1: 3.5 / 6.3 mm ø stereo phone plug
Subject to alterations
HD 25 /-1 24.03.2004, 15:10 Uhr 5