Sennheiser HD 650 User Manual
HD 650
Headphones | Audiophile Headphones
General Description
The audiophile HD 650 is the ultimate in open, dynamic headphone design.
Developed from the award-winning HD 600, the HD 650s feature improved
materials for even better sound reproduction. They captivate the listener
with their expressiveness and emotion while maintaining absolute preci sion and lifelike reproduction. Enjoy sound in al l its perfection.
Cat. No. 009969
Technical Data
Frequency response .....................10–39,500 Hz (–10 dB/1 kHz)
Transducer principle.................................................. dynamic, open
Nominal impedance ................................................................. 300 Ω
Sound pressure level................................115 dB (at 1 kHz, 1 V
THD .......................................................................................... ≤ 0,05 %
Ear coupling ......................................................................circumaural
Contact pressure........................................................... approx. 2.5 N
Weight (without cable)............................................................ 260 g
Connector .............................1/4” (6.3 mm) stereo jack plug with
adaptor lead to 3.5 mm stereo mini jack plug
Connection cable..................... 3 m, detachable, OFC copper cable
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Features
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Engineered for music
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Hand-selected, matched headphone systems with very tight
tolerances (+/- 1 dB)
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Computer-optimised magnet systems for minimising harmonic
and intermodulation distortion
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Extremely lightweight aluminium voice coils ensure accuracy and fast
transient response
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Neodymium ferrous magnet systems for high effi ciency
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Specially developed acoustic silk provides uniform damping over its
entire frequency range as well as minimising IM and harmonic distortion
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Elegant silver-titanium fi nish
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High-quality metal mesh covers for superbly open and transparent
sound
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Extremely natural, spatial sound image
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Balanced, crisp bass and deep bass reproduction
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Authentic voice reproduction
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Specially developed OFC copper cable, Kevlar-reinforced, insensitive to
handling noise
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Gold plated 1/4” jack plug with adaptor lead to 3.5 mm jack plug
Replacement Parts
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Ear pads (1 pair) Cat. No. 050635
10-39,500 Hz 300 Ω ≤ 0.05 % 260 g
6.3/3.5 mm OFC 3 m
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