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AT-1 High Performance Loudspeaker with H-PAS™ Technology
Caring for your Speakers
Clean your cabinets using a soft, lint-free cloth. If you wish, you can slightly
moisten the cloth with plain water. Do not use any other cleaning agents
or chemicals. Be careful not to get any water on the driver cones or tweeter
domes. After carefully removing the grilles from the speakers by pulling
them forward, gently clean the grilles with a quick pass from a vacuum
cleaner with a brush attachment. This should remove any dust accumula-
tion. Reattach them by lining up the magnet depressions in the back of the
grilles with the magnets on the speaker baffle and slowly moving them
closer until they connect with each other.
Avoid placing your speakers in direct sunlight or near a source of heat that
may, over time, damage the finish.
IMPORTANT:
SAVE YOUR BOXES! If you can do so, save the cartons,
packing pieces, and plastic bags that came with your speakers. They
will be useful in case you move or have to ship your loudspeakers for
any reason. In any case, save all packing materials until you are certain
that the systems have suffered no damage in shipment. If you find
such damage, either visible or internal, contact your dealer immedi-
ately.
High Frequency Energy Control
High Frequency Energy Control
This control changes the relative output level of the tweeter. It has been
designed to help compensate for different room acoustics and personal
listening preferences. The ‘0’ position is the most “accurate” frequency
response, but that does not mean that it is necessarily the “recommended”
position.
The “+” and “–“ positions adjust the tweeter’s output by very slight amounts
over its entire operating range, from 2kHz to 20kHz. These positions change
what’s known as the speaker’s “spectral balance” by altering the proportion
of treble to bass over a wide frequency band.
Such adjustments, although relatively subtle, can make the AT-1 more suit-
able to different acoustic environments or tailor its sound more closely to
one’s tastes.
We encourage you to experiment with the different tweeter settings to find
the one that sounds best in your room.
AT-1
POWER: 20-200W
6 OHMS NOMINAL
INPUT
High Fidelity
Loudspeaker
System
SERIAL
HF
LF
Figure 8