Sennheiser HD 270 - Manual (Page 3)

HD 270
CONTROL
The HD 270 Control is a closed circum-aural set of stereo headphones which
satisfies the most stringent professional demands. It is equally suitable for use
with top of the range hi-fi-systems and for professional monitoring applications.
• Closed circum-aural high definition stereo headphones
• Very comfortable to wear due to BioNetic design
• Neodymium magnets for powerful dynamics
• High maximum sound pressure level
• Full, expressive sound reproduction
• New damping element for controlling diaphragm oscillation
• Replaceable parts for long life
• Single-sided, detachable connecting cable made
from highly conductive OFC copper
Technical Data
Transducer principle dynamic
Ear coupling circum-aural, closed
Frequency response 12–22,000 Hz (-10 dB at 1 kHz)
Impedance 64
Ω
Characteristic 106 dB (1 kHz, 1 V
eff
)
THD (1 kHz) < 0.2 %
Contact pressure approx. 5 N
Weight (without cable) approx. 220 g
Connecting cable detachable single-sided
OFC copper cable, 3 m
Connector 3.5 mm stereo jack plug with 1/4" adaptor
Subject to alterations