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615 Bloomfield Ave. Verona, New Jersey 07044
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Shop Online

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Newsletter

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Showroom Hours
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Mon. Tues.
Wed. Thurs. Fri.
Sat. Sun.
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10 - 6 10 - 8 10 - 6 10 - 8
10 - 6 10 - 4 Closed
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$50/pair 
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Power Wraps come in three sizes:
.375" diameter, 12-inch long Power Wrap .56" diameter, 12-inch long Power Wrap
.328" diameter, 6-inch long All Clear (sold in pairs)
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Stereophile -- Jonathan Scull
"Lloyd also highly recommends the Highwire Power Wraps ($24.95) for fixed-wire components."
Positive Feedback -- Dave Clark "Try the Highwire Audio AC
Wraps. Developed by Don Palmer of Highwire Cables to suppress RFI while at the same time tuning stock
captive power cords. This will elevate their performance to close to that of a specialty AC cord."
Positive Feedback -- Stu McCreary "I am fortunate to have
many tuning options in my system, such as movable Highwire Power Wraps."
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REDUCE YOUR NOISE FLOOR! Imagine being able to reduce your system's noise
floor easily and cost-effectively simply by sliding a patented coil up and down your power cords. Imagine
being able to improve the depth and detail of your system with a versatile tweak that works on any
component.
Power Wraps effectively absorb the noise and distortions caused by Radio Frequency
Interference (RFI). RFI is conducted through AC power lines and is radiated from nearby electronic
equipment. Whether conducted or radiated, RFI mixes with and degrades audio signals.
Power Wraps
can eliminate the distortions caused by RFI, leaving a cleaner, quieter, and more detailed sound. Power
Wraps improve depth and allow you to hear low-level ambient information.
Power Wraps are easy to
install on your AC power cords, even non-detachable cords! Power Wraps also allow custom tuning just by
moving the Power Wrap along the power cord.
Power Wraps are ideal for non-detachable power cords and non-shielded interconnects.
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Theory of Operation
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Power Wraps are a unique product that turn your standard power
cord into a true high-end power cable. Power Wraps are a very
effective noise suppressor for all AC power cords. They allow you
to use the AC cords that the equipment manufacturer provides
and still reduce the noise from the AC line to your electronics. You
can improve AC cords even if they are non-detachable.
One of the main entry points for noise and radio frequency
interference (RFI) into an audio system is through the AC power
lines. Filtering the audio frequency noise is generally handled in
power supply filtering. However, the RF noise is harder to filter
effectively. Power Wraps use a patented RF absorber in a special
configuration developed for use on AC cords. The RF absorbers
filter the RFI and kill the ringing in AC cords.
Power Wraps provide unique benefits that cannot be achieved any other way. Audiophiles try to
correct for the sonic degradation of power line problems in a variety of ways with varying success.
Power Wraps strike right at the heart of the problem and also give the most cost-effective solution.
Tuning (the positioning of the Power Wrap along the power cord) can optimize the performance of
the Power Wrap. The AC cord has several fundamental ringing modes and many harmonic ringing
modes resonating all the time. The position of the Power Wrap along the cable will determine which
main modes and which harmonic modes are suppressed. The modes and frequencies that are
suppressed will determine the sonic signature of the AC cord.
The most important AC cords to tune are the cords on the Digital Transport and the D/A converter
(or the CD player). There is a double benefit from suppressing noise in the digital equipment.
Power Wraps reduce the RF noise into the digital equipment and also reduce the digital noise fed
back into the AC line.
The source equipment should always be the first to be tuned, because once noise is introduced
into the system, it will propagate throughout the system. The digital transport and turntable
benefit greatly from noise suppression. Once the source is tuned, add Power Wraps to the other
components. Experiment for the best results.
Power Wraps also benefit audio and video interconnect cables. They improve the performance of
low- and medium-priced cables for less than one would spend on a more expensive cable. They are
especially helpful on non-shielded cables. The All Clear version of Power Wraps has a smaller
diameter, which is more suited to interconnects.
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Where to Install in your System
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GOAL:
To reduce noise in power cords from airborne RF and from conducted RF on the AC power line.
APPLICATION: Power cords for Audio CD, DVD, and SACD players, transports and DACs.
Power cords for preamps and amplifiers. Power cords for all Home Theater components.
GOAL:
To reduce the noise generated by electronics back into the AC line.
APPLICATION:
Power cords for video monitors, TVs, tuners, and digital components.
Power cords for fax machines, computers, peripherals, and printers.
GOAL:
To reduce noise and brightness in cables carrying an audio or video signal.
APPLICATION:
Audio interconnects, speaker wires, and digital cables.
Audio and video cables for Home Theater components. Video cables for computer monitors and TVs.
GOAL: To reduce power line RF from other sources.
APPLICATION:
Power cords for refrigerators and air conditioners. Power cords for computers and computer monitors.
RECOMMENDED USES Power Wraps are recommended for 3 to 7 foot power cords.
For AC power cord lengths over 7 foot, use two Power Wraps per cord, interleaved or end-to-end.
Power Wraps are recommended for Digital cables due to the high level of digital noise on the cable.
All Clears are recommended for 1 and 1.5 meter audio and video cables and Power Wraps for longer cables.
All Clears come in sets of two so they can be used on separate left- and right-channel electronics,
or so you can interleave them for more powerful RFI suppression.
Power Wraps and All Clears may be intertwined or placed end-to-end on a cable to provide
additional suppression.
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Installation Instructions for Power Wraps
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Unplug the component from its power source. Fold the power cord or cable in half or measure to
find the center. Mark the center with tape or marker pen.
Twist the Power Wrap around the cord or cable. An easy way to do this is to hold one end of the
coil with the cord and wind the cord through the coil. Slide the Power Wrap so it is centered on the cable.
If you are putting two Power Wrap coils on the same cord, wind the second one onto the cord. The
bent ends should face each other. Interleave the two Power Wrap coils together by turning them
towards each other. You may also leave the coils apart, with their ends touching at the center of the cord.
Plug the power cord into the AC source, or plug the audio cable into the system. Turn on the
component. Start to listen to your system. We suggest you use a wide band vocal recording.
Move the Power Wrap back and forth by 1/8 inch at a time to get the most bass. The center of the
location with the most bass is the electrical center of the cable. Use that point as the reference
starting point for adjustment.
Move the Power Wrap toward the electronic component (away from the source). Move 1/8 to 1/4
inch at a time. Listen for top-to-bottom balance and good midrange. You will get more top end as
the Power Wrap is moved closer to the electrical component. The optimum point is generally
located within 1/2 to 3/4 inch of the center of the power cord.
Tape the Power Wrap in place or gently bend the ends so it won't move accidentally.
SUGGGESTIONS:
- Start with the front end components (e.g. CD player, CD transport, DAC, or Turntable).
- Complete the tuning on each component before you start another.
- Have a friend move the Power Wrap while you listen.
- You can use Power Wraps on power cords, audio cables, or video cables.
- For audio cables or separate left- and right-channel electronics, tune each Power Wrap
separately in monaural with the other channel off.
- Break in your system for a few days after installation.
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Installation Instructions for All Clears
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All Clear coils come in pairs so that you can use them on separate left- and right-channel
electronics, or so you can interleave them for more powerful RFI suppression.
Unplug the component from its power source. Fold the power cord or cable in half or measure to
find the center. Mark the center with tape or marker pen.
Twist the All Clear around the cord or cable. An easy way to do this is to hold one end of the coil
with the cord and wind the cord through the coil. Slide the All Clear so it is centered on the cable.
If you are putting two All Clear coils on the same cord, wind the second one onto the cord. The
bent ends should face each other. Interleave the two All Clear coils together by turning them
towards each other. You may also leave the coils apart, with their ends touching at the center of the cord.
Plug the power cord into the AC source, or plug the audio cable into the system. Turn on the
component. Start to listen to your system. We suggest you use a wide band vocal recording.
Move the All Clear back and forth by 1/8 inch at a time to get the most bass. The center of the
location with the most bass is the electrical center of the cable. Use that point as the reference
starting point for adjustment.
Move the All Clear toward the electronic component (away from the source). Move 1/8 to 1/4 inch
at a time. Listen for top-to-bottom balance and good midrange. You will get more top end as the All
Clear is moved closer to the electrical component. The optimum point is generally located within 1/2
to 3/4 inch of the center of the power cord.
Tape the All Clear in place or gently bend the ends so it won't move accidentally.
SUGGGESTIONS:
- Start with the front end components (e.g. CD player, CD transport, DAC, or Turntable).
- Complete the tuning on each component before you start another.
- Have a friend move the Power Wrap while you listen.
- You can use Power Wraps on power cords, audio cables, or video cables.
- For audio cables or separate left- and right-channel electronics, tune each Power Wrap
separately in monaural with the other channel off.
- Break in your system for a few days after installation.
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