Specifications - Sennheiser HD 660 S Instruction Manual

D
Replacing the ear pads*
For reasons of hygiene, you should replace the ear pads from time to time. Spare
parts are available from your Sennheiser partner. To fi nd a Sennheiser partner in
your country, search at www.sennheiser.com.
▷
Grasp behind the ear pads and pull them up and away from the ear cups.
▷ Place the new ear pads onto the ear cups and attach the ear pads by pressing
fi rmly around them.
The headband padding can be replaced by the Sennheiser repair service.
Please contact your Sennheiser partner.
E
Cleaning and storing the headphones*
▷ Clean the product only with a dry and soft cloth.
▷ Store the product in a clean, dust-free place, e.g. in its storage box.
Specifi cations
Transducer principle
Frequency response
Frequency characteristic
Ear coupling
Contact pressure
Nominal impedance
Sound pressure level at 1 kHz
Long-term input power
THD
Cable
Connector
(see pin assignment on
inside cover page)
Weight
Operating temperature
dynamic, open
10 to 41,000 Hz
diffuse fi eld equalized
circum-aural
approx. 2,5 N
150 Ω
104 dB at 1 Vrms
max. 500 mW as per EN 60-268-7
≤ 0.04% (1 kHz, 100 dB)
oxygen-free copper cable (OFC), 3 m
stereo jack plug, gold-plated
1/4" (6.35 mm), unbalanced, 3-pin
4.4 mm, balanced, 5-pin
approx. 260 g (without cable)
–10°C to +55°C
HD 660 S | English
3