EMP Tek EF50 User Manual
COMPAC T T H E AT ER SPE AK E R S
Model
EF50
S ER IE S
OW N E R’ S M A N UA L
Introduction
Congratulations on your purchase of EMP Tek compact theater speakers! Your speakers
are the result of many years of research and development.
is manual contains setup recommendations and specications for the EF50, EF50C
and EF50T compact theater speakers. It is highly recommended you thoroughly read
through the material contained in this manual before connecting your speakers. is
will ensure you have an understanding of how to properly setup, operate and maintain
your speakers for optimum performance and maximum enjoyment.
EF50 Series Speakers
EF50T
Tower Speaker
EF50C
Center Channel Speaker
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EF50
Bookshelf
Speaker
Break In Period
Allow several hours of listening time for your speakers to adequately break-in. During
this period, the driver suspensions will loosen, the result will be an increase in bass,
improved denition, and increased clarity and detail.
Care and Cleaning
To maintain the speaker’s high quality appearance, it is recommended you regularly
use a dry or slightly-damp so cloth to keep the exterior of your speakers free from
dust, lint or dirt. To clean dust from the grille, use a vacuum with a brush attachment
and gently brush the surface of the grille.
Features
Proprietary Aluminized Fiberglass Matrix cone woofers are the heart of the EMP
Tek EF50, EF50C and EF50T compact theater speakers. is special material is
sti, lightweight, and has self-damping properties which helps provide a virtually
uncolored audio reproduction. ese woofers have a powerful magnet that gives
them high excursion capabilities; this helps the EF50 Series speakers provide
extended dynamics and frequency response not typically found in speakers of their
size. To avoid any interference with tube-type televisions and monitors, the EF50C
is video shielded using additional opposing magnets and steel cups to cancel any
stray magnetic elds.
High frequencies are handled by a high-quality poly silk tweeter. is tweeter uses
liquid cooling for greater power handling. is allows the tweeter to last longer and
provide accurate reproduction at the higher power output levels today’s amplier
systems are capable of producing.
Crossover networks are used to integrate the EF50 Series woofers and tweeters.
e use of steep crossover slopes allows higher than average power handling,
minimizes the audio interaction between the drivers, and maximizes the speaker’s
overall clarity by allowing each driver to specialize in its own respective frequency
band. One component featured within the EF50 Series crossover networks is a
polyswitch. A polyswitch, or current-limiting device, is used to prevent damage to
the tweeter if the speaker is over-driven or fed a distorted audio signal. is device
operates 900% faster than a fuse and self-resets when the volume level or amount
of distortion is reduced.
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