Sennheiser MX HD 270 User manual

HD 270 Control
Headphones | DJ & Studio Headphones
General Description
The HD 270 Control closed monitoring headphones satisfy the most strin-
gent professional demands. Neodymium ferrous magnet systems ensure
optimum sensiti ity and a ery wide dynamic range. An inno ati e,
Sennheiser patented damping element controls diaphragm oscillation,
thus ensuring a superbly spatial, transparent and balanced sound repro-
duction.
Features
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Closed circumaural high-definition stereo headphones
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Ideal for both studio and DJ monitoring
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Headphones adapt to the shape of the head due to BioNetic design
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High maximum sound pressure le el
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New damping element for controlling diaphragm oscillation
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Excellent attenuation of ambient noise (–10 dB to –15 dB)
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Detachable, single-sided connection cable made from highly
conducti e OFC copper
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Replaceable parts for long life
Recommended Accessories
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HZR 62 stereo olume control Cat. No. 005248
Replacement Parts
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Ear pads (1 pair) Cat. No. 077904
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Connection cable Cat. No. 091581
Technical Data
Frequency response ..................... 12 – 22,000 Hz (– 3 dB/1 kHz)
Transducer principle................................................ dynamic, closed
Frequency characteristic .............................diffuse field equalised
Impedance.....................................................................................64 Ω
Characteristic SPL ....................................106 dB (at 1 kHz, 1 Vrms)
THD............................................................................ < 0.2 % at 1 kHz
Ear coupling ......................................................................circumaural
Contact pressure.............................................................. approx. 5 N
Weight (without cable)..............................................approx. 220 g
Connector ............................. 3.5 mm Ø stereo mini jack plug with
adaptor to 1/4” (6.3 mm) stereo jack plug
Connection cable................................................. 3 m, detachable,
single-sided OFC copper cable
12-22,000 Hz 64 Ω< 0.2 % 220 g
3.5/6.3 mm OFC 3 m
English, French Cat. No. 004594
Am. English, Spanish Cat. No. 004595
German, Italian Cat. No. 004479