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The ETX-15P 15" Portable Powered Loudspeaker from Electro-Voice is a portable powered Class-D loudspeaker that can be used as a floor monitor, mounted on a tripod, or suspended from the ceiling. It is capable of up to 2,000-watts of output for a peak SPL rating of up to 135 dB and features a 15-inch woofer and a 1.25-inch titanium high-frequency driver. The speaker's integrated DSP can be controlled via the rear panel LCD and provides EQ, boundary compensation, a limiting function, delay, and more.
Featuring Electro-Voice's SST waveguide, the EXT-15P has a uniform beamwidth, allowing for even distribution of sound thanks to the time-alignment of the high and low-frequency transducers. Sturdy construction is provided in the form of the die-cast aluminum chassis, pole cup, and handles.
Signal Synchronized Transducers (SST) Waveguide Design
The waveguide is placed forward in the enclosure to help physically time-align the LF and HF transducers, minimizing the need for latency correction via DSP
Placing the port under the waveguide positions it in its ideal acoustic location in the enclosure without spacing the woofer and driver apart. The port location minimizes distortion and standing waves inside the loudspeaker
All waveguides are optimized using simulation software and proprietary algorithms for precise control and lowest distortion
All ETX woofers use Faraday
rings for better
The woofers not only have high
power handling but also feature
a robust mechanical design to
ensure long-term reliability
EV focuses on engineering
transducers with linear
frequency response, minimizing
the need for additional
Components and Testing
All ETX components are designed from
the ground up by Electro-Voice. No off-the-shelf components are used
The handles, pole cups and amplifier
chassis are die-cast aluminum, not
18mm, 13-ply birch plywood with
EVCoat is used throughout the ETX product
In addition to industry-standard pink
noise abuse tests, all models must
survive EV's proprietary 1,000-hour
torture test that uses real-world signals
driven beyond full output
Processing and Control
System DSP presets support quick and easy setup via selections for type
of use, crossover frequencies and top/sub combinations
ETX employs the same proprietary PAL and TEMP limiters developed for
Electro Voice's concert loudspeakers
Boundary compensation filters are included so that an ETX loudspeaker
sounds the same whether it is used as a floor monitor, on a tripod or
suspended from a ceiling
ETX offers user-adjustable features including delay out to several hundred feet, three-band parametric equalization, polarity and multiple high-pass crossover
The Class-D design of the
amplifier is designed to be efficient
and features blower-controlled
thermal management, allowing
it to work in hot environments.
The fan is of a quiet
design and does not turn on
under normal circumstances
Lockout mode helps prevent
casual users from changing
Complete full-function DSP control via a single-knob
interface. LCD screen for easy system set-up and
monitoring: location/application EQ presets, limiter status,
input level controls/meters and master volume control to
ensure optimal gain structure