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User Manual
ER•6
ER•6i
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Earphone Descriptions
ER-6 Isolator earphones have a flat real-ear response for
reproducing CD and MP3 recordings. The sound accuracy is
comparable to professional earphones.
6i Isolator earphones have 8 dB greater overall sensitivity
and 8 dB more bass than the ER-6 earphones.The higher sound
output and enhanced bass of the 6i make these earphones ideal
for MP3,CD,DVD and other portable players,and eliminates the
need for a headphone amplifier.
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ER•6
ER•6 Isolator earphones
5 ft.cord with 3.5 mm stereo plug
1 pair 2-flange eartips
1 pair foam eartips
2 replacement filters
Filter changing tool
Shirt clip
Pouch (not shown)
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ER•6i
6i Isolator earphones
5 ft.cord with 3.5 mm stereo plug
1 pair white 3-flange eartips
1 pair foam eartips
2 replacement filters
Filter changing tool
Shirt clip (not shown)
Pouch (not shown)
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Eartips
In addition to flanged eartips,ETYMOTIC Isolator earphones are
supplied with disposable foam eartips. Both types provide
excellent sound reproduction when properly inserted. If the
earphones seem to lack bass,insert the earplug deeper into the
ear canal to obtain a better seal,or try the foam eartip option.
Flanged eartips
These reusable eartips should be cleaned regularly.
Cleaning the flanged eartips
1. Carefully remove the eartip from the earphone.
2. Use water and mild soap to remove dirt and earwax.
3. Rinse and completely dry the eartip.
4. With a slight twisting motion,push the eartip on the
stem until it fits securely.
Foam eartips
• Disposable foam eartips compress to form a tight seal that holds
the earphones firmly in place.
• The eartips at the end of the earphones can be replaced by
sliding them off and on. A combination of twisting and pulling
is recommended for eartip removal.
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Eartip Insertion
Flanged eartip insertion
• For best results, moisten the flanged
eartip before insertion.
• Carefully insert one earphone at a time while
pulling up and out on the back of the ear.
The earphone should seal deeply and
comfortably in the ear canal.
Foam eartip insertion
• Use a foam eartip if a good seal cannot be obtained with a
flanged eartip.
• Compress the foam at the end of the earphone by
rolling
it between your thumb and forefinger before inserting it.
Hold the eartip in place for about 5 seconds while the
foam expands to create a tight seal in the ear canal.
Removal
Remove earphones slowly with a twisting motion to gradually
break the seal. Do not pull on the cords to remove earphones.
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Filters
ETYMOTIC Isolator earphones have special filters that smoothe
the frequency response and prevent earwax from entering the
earphones. These filters are located at the tip of the earphone
and are visible when the eartip is removed. If the filters become
clogged they should be replaced. A dirty filter will reduce
earphone output. The frequency with which the filters need to
be changed will vary widely among users. The filters should be
changed if the volume decreases or the sound quality declines.
Note: Once removed,the filters are not reusable.
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Changing Filters (ER•6)
ER-6 Filter Replacement
1. The filter has a groove
in it which must line up
with the notch on the
earphone rim.
3. Attach eartip.
notch
groove
2. Line up the tip of the screw with the
white dot in the middle of the filter.
1. Remove eartip.
4. Pull the filter straight out.3. Push the screw into the old filter
with a slow twisting motion until
it grabs the filter.
2. Place the filter into the
end of the earphone.
Push gently on the
filter and it will lock
into place.
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Changing Filters (6i)
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6i Filter Removal
6i Filter Replacement
1. Remove eartip.
1. The eartip has a clear
plastic tab at the top.
The filter has a notch
that lines up with the
tab.
3. Attach eartip.
tab
3. Pull filter straight out.
2. Place the filter into the
end of the earphone.
Turn and push it slowly
until it locks into place.
2. Line up the tip of the screw with the
middle of the filter and push the
screw firmly into the filter with a
slow twisting motion until it grabs
the filter.
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Proper Care
• Do not expose earphones to extreme temperatures.
• Avoid dropping or strong impact. Extreme shock can damage
the earphones.
• Always leave an eartip on the earphone for shock protection.
• Perspiration entering the nozzle may cause the earphone to
temporarily stop working. Normal operation usually returns
after the earphone dries out.
• Do not pull on the cord to remove it from the jack or the ear.
• Clean or replace the eartips prior to use by others.
• Replace disposable foam eartips regularly.
• Earwax buildup can reduce the earphone output. When the
filters become clogged they should be replaced. See
Changing
Filters
.
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Caution
Consult a physician or audiologist if you have excessive ear wax,
difficulty inserting the eartips,or discomfort after prolonged use.
ETYMOTIC Isolator earphones exclude most external sounds even
at low listening levels. It is unsafe to use insert earphones while
driving a motorized vehicle, operating machinery,bicycling or jogging,because you may not be alerted to potential danger.
Do not use the earphones at excessively loud levels.
Noise-induced hearing loss is a function of exposure time,
the average sound level and the peak of very loud sounds.
Decreased listening levels allow for longer periods of safe
listening time.
Best Performance
A full bass response depends on the user's ability to properly
insert and seal the earphones in the ear canals.
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In Flight Use
ETYMOTIC Isolator earphones were designed to provide
exceptional sound quality when used with high-fidelity audio
systems. Note that sound systems on some aircraft do not qualify
as high-fidelity, which can produce noisy audio at normal listening levels. An in-line volume control adapter (such as Radio Shack
#42-2559) will solve the problem.
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Specifications
Frequency response: 20 Hz to 16 kHz
Tolerance: ±3 dB to 6 kHz,±6 dB to 16 kHz re nominal
Transducer type (ER-6): balanced armature
Transducer type (ER-6i): balanced armature
1 kHz sensitivity (ER-6): 108 dB SPL for a 0.4 V input
1 kHz sensitivity (ER-6i): 108 dB SPL for a 0.126 V input
Impedance (ER-6): 48 Ohms
Impedance (ER-6i): 16 Ohms
Maximum output: 120 dB SPL
Maximum continuous input: 2.5 Vrms
Weight: less than 1 oz.
Frequency (Hz)
100010010 10000
30
10
20
0
-10
-20
-30
Relative Response in dB
ER-6
6i
Reference
Response
Effective Response of Isolator Earphones
The above graph indicates that 6i earphones have 8 dB higher sound output
and increased bass compared to the original ER-6 earphones. The dotted line is
the reference response of the open ear to live performances (CD equalization).
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Warranty
Etymotic Research,Inc.warrants this product against defects in
material or workmanship for a period of 90 days from the date
of original purchase from an authorized Etymotic distributor
or reseller.
The warranty can be extended for up to one year if Etymotic
receives an on-line warranty registration any time within the
first 90 days.Locate Isolator earphones at www.etymotic.com.
Click on
Warranty Registration,fill out the form and submit.
ER will repair or replace the defective product at its option if
returned within the warranty period to our service facility.
This warranty is in lieu of all other warranties,expressed or
implied,including, but not limited to,any implied warranty of
merchantability or fitness for a particular purpose.
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ETYMOTIC RESEARCH Inc.
Etymotic Research has spent over twenty years developing
in-the-ear technology for auditory research,precision monitoring
and critical listening. ER has developed many innovative hearing
technologies available today. ER products are used by musicians
and others who insist on superior sound quality. Etymotic means
“true to the ear.”
Other Etymotic consumer products:
MicroPro™ Earphones
Musicians Earplugs™
High Fidelity Earplugs
ETY•COM™ handsfree headset for mobile phones
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ETYMOTIC RESEARCH INC.
61 Martin Lane • Elk Grove Village,IL 60007
www.
etymotic.com • 1-888-ETYMOTIC
Isolator™ is a trademark of Etymotic Research,Inc. The Isolator™ earphones are covered by one or
more of the following U.S.patents:#4,677,679,#4,763,753, #5,887,070 and other patents pending.
Comply™ is a trademark of Hearing Components,Inc.covered by patents #4,880,076 and #5,002151
ER6/6i-50k-0804
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