Sennheiser manual HD 490 Dynamic Headphone, Features-Benets, Technical Data

HD 490

HD 490 Dynamic Headphone

The HD 490 Live open dynamic hi-￿stereo headphones feature excellent sound reproduction and a good bass response. They have a highly conductive OFC copper cable and can be connected to all personal stereos, CD players, DAT and MiniDisc recorders and hi-￿systems.

Features—Bene￿ts

•Open, supraural, dynamic hi-￿stereo headphones

•Ideal for both hi-￿systems and portables

•Very comfortable to wear due to ultra-lightweight design

•Detailed sound reproduction with powerful bass

•Duofol diaphragms to reduce standing waves for distortion-free sound

•Detachable, single-sided connection cable

•Replaceable parts for long life

Technical Data

Frequency response	17–22,000 Hz
Transducer principle	dynamic, open
Nominal impedance	32 Ω
Characteristic SPL	106 dB at 1 kHz, 1 V rms
THD	< 0.3 % at 1 kHz
Ear coupling	supraural
Contact pressure	approx. 3.2 N
Weight (without cable)	approx. 9.4 oz
Connector	1/8" stereo mini jack plug with adapter
	to 1/4" stereo jack plug
Connection cable	3 m, detachable single-sided

Optional Accessories

Stereo volume control HZR 6

Sennheiser Electronic Corporation, 1 Enterprise Drive, Old Lyme, CT 06371

Telephone: 860-434-9190 • Fax: 860-434-1759 • Web: http://www.sennheiserusa.com

Sennheiser Mexico: Av. Xola 613, PH6, Col. Del Valle 03100, Mexico, DF. Telephone: (525) 639-0956. Fax: (525) 639-9482

Sennheiser Canada: 221 Labrosse Ave, Pte-Claire, PQ H9R 1A3. Telephone: 514-426-3013. Fax: 514-426-3953

Manufacturing Plant: Am Labor 1, 30900 Wedemark, Germany