OWNER’S MANUAL
STUDIO
HEADPHONES
S452
DANGER: Be sure to always observe the basic precautions
listed below to prevent serious injury or death from electrical
shock, short-circuiting, damage, fire or other hazards. These
precautions include, but are not limited to, the following:
HANDLING CAUTION: Do not listen with the headphones while
driving or cycling. Also avoid using them where hearing must not be
impaired, like at a railroad crossing and a site of construction. Reduced
ability to hear surrounding sound increases the risk of an accident.
WARNING: Always follow the basic precautions listed below to
avoid the possibility of serious injury or even death from electrical
shock, short-circuiting, damages, fire or other hazards. These
precautions include, but are not limited to, the following:
Do Not Open: This device contains no user-serviceable parts. Do
not open the device or attempt to disassemble the internal parts or
modify them in any way. If it should appear to be malfunctioning,
discontinue use immediately and have it inspected by qualified
Yamaha service personnel.
Water Warning: Do not expose the device to rain, use it near water
or in damp or wet conditions. If any liquid such as water seeps into
the device, have the device inspected by qualified Yamaha service
personnel.
Hearing Loss: Do not use headphones for a long period of time at a
high or uncomfortable volume level, since this can cause permanent
hearing loss. If you experience any hearing loss or ringing in the
ears, consult a physician. Before connecting the headphones to a
device or turning the power of all devices on or o, make sure that
all volume levels are set to the minimum. Failing to do so may result
in hearing loss or equipment damage.
Fire Warning: Do not place any burning items or open flames near
the device, since they may cause a fire.
Frequency Range: ..................................15Hz to 28KHz
Sensitivity: .................................................103dB
Driver Diameter: ............................................45mm
Driver Magnet: ...............................Neodymium magnet
Drive Voice Coil: ............. CCAW (Copper Clad Aluminum Wire)
Impedance (@1Khz): ................................... 34Ω Ohms
Maximum Input Power: ....................................100mW
Audio Cable Length: ....................................2.4 Meters
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