Sterling S452 User manual

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

Sterling Audio
P.O. Box 5111
Thousand Oaks, CA 91359-5111 OWNER’S MANUAL
STUDIO
HEADPHONES
S452
S452 SPECIFICATIONS:
Headphone Type: ............................Closed-back dynamic
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

Sterling Audio
P.O. Box 5111
Thousand Oaks, CA 91359-5111 OWNER’S MANUAL
STUDIO
HEADPHONES
S452
PRECAUTIONS
Please read carefully before proceeding
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.
S452 S
Headphone T
Frequenc
Sensitivi
Driver Diame
Driver M
Drive Voic
Impedanc
Maximum I
Audio Cable L

CAUTION: Always follow the basic precautions listed below to avoid
the possibility of physical injury to you or others, or damage to the
device or other property. Sterling Audio will not be held responsible for
damage caused by improper use or modification of the device. These
precautions include, but are not limited to, the following:
HANDLING CAUTION:
• Do not use the device in a location where it may come into contact with
corrosive gases or salt air. Doing so may result in malfunction.
• Do not rest your weight on the device or place heavy objects on it.
Avoid applying excessive force to the connectors to prevent injuries.
• Avoid pulling the connected cables to prevent injuries or damage to
the device.
• When removing the plug from the connected device, be sure to pull out
by the plug following the cable connection and disconnect instructions.
Bending or pulling the cable forcefully may cause damage to it.
Storing: Store the product out of reach of children to avoid them
swallowing small parts. If a child swallowed them, consult a physician
immediately.
Notice: To avoid the possibility of malfunction/damage to the
product, damage to data, or damage to other property, follow the
notices below.
HANDLING AND MAINTENANCE
• Handle the headphone arms gently when you rotate or fold in the earcups.
• Refer also to the manuals supplied with the devices to be connected.
STERLINGAUDIO.NET
EAR CUSHION REMOVAL/
REPLACEMENT
In the event that your headphones
require new ear cushions
from damage, abuse, or from
passionately playing with them
too hard, you can replace the ear
cushions with new ear cushions
from your local authorized
Sterling Audio dealer.
When installing new ear cushions,
you will need to press in the four
(4) posts until you hear or feel
a “snap” or “lock” action during
installation.
Threaded 1/4” (6.3mm)
gold-plated adapter
2.4mm
Straight Cable
1. Insert
2. Rotate clockwise to align marks
21

CAUTION: Alw
the possibility o
device or other pr
damage caused b
precautions include
HANDLING CA
• Do not use the de
corrosive gas
• Do not rest your w
Avoid applying exc
• Avoid pulling the c
the device.
• When removing t
by the plug follo
Bending or pulling the cable f
Storing: Store t
swallowing small par
immediately.
Notice: To avoid t
product, damag
notices below.
HANDLING AND MA
• Handle the headphone arm
• Refer also to t
• Do not use headphones that are malfunctioning.
• Do not expose the device to excessive dust or vibration, or extreme
cold or heat (such as in direct sunlight, near a heater, or in a car during
the day), in order to prevent the possibility of disfiguration, unstable
operation, or damage to the internal components.
• Do not place vinyl, plastic or rubber objects on the device, this might
cause discoloration.
• When cleaning the device, use a dry and soft cloth. Do not use paint
thinners, solvents, cleaning fluids, or chemical impregnated wiping cloths.
• For information on replaceable parts, such as earpads and audio
cables, please contact your local Sterling Audio products dealer for
more information.
ACCESSORIES
• 2.4mm straight cable
• Threaded 1/4” (6.3mm) gold-plated adapter
• Carry pouch
• Owner’s Manual (this booklet)
INFORMATION
Illustrations in this manual are for instructional purposes only. The
company and product names in this manual are the trademarks or
registered trademarks of their respective companies.
The contents of this manual apply to the latest specifications as of the
publication date. To obtain the latest manual, download it from the
SterlingAudio.net website.
LOCKING CABLE
S452 STUDIO HEADPHONES OWNER’S MANUAL
STERLINGAUDIO.NET
180° ROTATABLE EARCUP
Rotatable earcup for comfortable
single-ear monitoring as shown
in the illustration. Rotating earcup
stops in place.
EAR CUSHION REMOVAL/
REPLACEMENT
In the event that your headphones
require new ear cushions
from damage, abuse, or from
passionately playing with them
too hard, you can replace the ear
cushions with new ear cushions
from your local authorized
Sterling Audio dealer.
When installing new ear cushions,
you will need to press in the four
(4) posts until you hear or feel
a “snap” or “lock” action during
installation.
FOLDING MECHANISM
You can tuck in earcups for
storage or carrying. Put left and
right earpad together, and then
gently tuck in the earcups toward
the headband.
Threaded 1/4” (6.3mm)
gold-plated adapter
2.4mm
Straight Cable
1. Insert
2. Rotate clockwise to align marks
21

CAUTION: Always follow the basic precautions listed below to avoid
the possibility of physical injury to you or others, or damage to the
device or other property. Sterling Audio will not be held responsible for
damage caused by improper use or modification of the device. These
precautions include, but are not limited to, the following:
HANDLING CAUTION:
• Do not use the device in a location where it may come into contact with
corrosive gases or salt air. Doing so may result in malfunction.
• Do not rest your weight on the device or place heavy objects on it.
Avoid applying excessive force to the connectors to prevent injuries.
• Avoid pulling the connected cables to prevent injuries or damage to
the device.
• When removing the plug from the connected device, be sure to pull out
by the plug following the cable connection and disconnect instructions.
Bending or pulling the cable forcefully may cause damage to it.
Storing: Store the product out of reach of children to avoid them
swallowing small parts. If a child swallowed them, consult a physician
immediately.
Notice: To avoid the possibility of malfunction/damage to the
product, damage to data, or damage to other property, follow the
notices below.
HANDLING AND MAINTENANCE
• Handle the headphone arms gently when you rotate or fold in the earcups.
• Refer also to the manuals supplied with the devices to be connected.
• Do not use headphones that are malfunctioning.
• Do not expose the device to excessive dust or vibration, or extreme
cold or heat (such as in direct sunlight, near a heater, or in a car during
the day), in order to prevent the possibility of disfiguration, unstable
operation, or damage to the internal components.
• Do not place vinyl, plastic or rubber objects on the device, this might
cause discoloration.
• When cleaning the device, use a dry and soft cloth. Do not use paint
thinners, solvents, cleaning fluids, or chemical impregnated wiping cloths.
• For information on replaceable parts, such as earpads and audio
cables, please contact your local Sterling Audio products dealer for
more information.
ACCESSORIES
• 2.4mm straight cable
• Threaded 1/4” (6.3mm) gold-plated adapter
• Carry pouch
• Owner’s Manual (this booklet)
INFORMATION
Illustrations in this manual are for instructional purposes only. The
company and product names in this manual are the trademarks or
registered trademarks of their respective companies.
The contents of this manual apply to the latest specifications as of the
publication date. To obtain the latest manual, download it from the
SterlingAudio.net website.
LOCKING CABLE
S452 STUDIO HEADPHONES OWNER’S MANUAL
STERLINGAUDIO.NET
s for
d
Threaded 1/4” (6.3mm)
gold-plated adapter
2.4mm
Straight Cable
1. Insert
2. Rotate clockwise to align marks
21

STERLINGAUDIO.NET
180° ROTATABLE EARCUP
Rotatable earcup for comfortable
single-ear monitoring as shown
in the illustration. Rotating earcup
stops in place.
EAR CUSHION REMOVAL/
REPLACEMENT
In the event that your headphones
require new ear cushions
from damage, abuse, or from
passionately playing with them
too hard, you can replace the ear
cushions with new ear cushions
from your local authorized
Sterling Audio dealer.
When installing new ear cushions,
you will need to press in the four
(4) posts until you hear or feel
a “snap” or “lock” action during
installation.
FOLDING MECHANISM
You can tuck in earcups for
storage or carrying. Put left and
right earpad together, and then
gently tuck in the earcups toward
the headband.

Sterling Audio
P.O. Box 5111
Thousand Oaks, CA 91359-5111
PRECAUTIONS
Please read carefully before proceeding
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.
S452 SPECIFICATIONS:
Headphone Type: ............................Closed-back dynamic
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