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Electro-Voice 2.0kW Brochure & Specs

Electro-Voice 2.0kW Brochure & Specs

Lightweight power amplifier
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Description
The Electro-Voice 2.0kW is a very high-
quality amplifier designed to provide maxi-
mum sonic quality with minimum weight.
Its built-in Dynamic Signal Processing
extracts maximum performance from any
full-range speaker system.
Each channel of the 2.0kW can deliver more
than 900 watts into a 4-ohm load, or 550 watts
into an 8-ohm load at less than 1% THD at 1
kHz. In bridge mode, the amplifier deliv-
ers more than 1,850 watts into an 8-ohm
load.
The 2.0kW design features an innovative
Class H operation. Class H operation allows
a primary compliment of output devices to
operate in low-power situations, as larger
power requirements are made of the ampli-
fier, a secondary group of output devices are
pressed into operation. Class H operation
offers the ability to supply large amounts of
power with excellent efficiency and reduces
the potential for heat buildup inside the am-
plifier chassis.
The high-speed switch-mode power supplies
in the 2.0kW hold the secret to the light
weight of the amplifier. Each channel of the
amplifier has a separate power supply that
switches at a rate of 84,000 times per sec-
ond, which allows the toroidal transformers
to be significantly downsized. The smaller
transformers substantially decrease the
TM
weight of the amplifier and also lower the
amount of heat created inside the amplifier.
Heat is a major contributor to the failure of
electronic equipment and the 2.0kW utilizes
a thermal system that effectively removes
heat from the amplifier. Each channel of the
2.0kW has a totally separate heat sink more
than 18 inches in length that runs down each
side of the amplifier. Placing the heat sinks
on opposite sides of the amplifier chassis
avoids creating an area of concentrated heat,
and makes removal of heat a much easier
job. Each channel is also equipped with a
continuously variable speed fan to remove
the heat and the fans are quiet enough to be
used in noise-sensitive situations.
The 2.0kW employs extensive protection
circuitry that guards the amplifier and its load
from problems. Protection circuits guard
against overtemperature, turn on/off transients,
shorted outputs, radio-frequency interference
and dc faults.
The operating status of the amplifier is in-
2.0kW
Lightweight Power
Amplifier
• 550 watts per channel at 8 ohms,
900 watts per channel at 4 ohms,
1,850 watts per channel at 8 ohms
in bridge mode
• Dynamic Signal Processing
provides excellent low-frequency
performance
• Ultralightweight—only 25 pounds
• Conservative thermal design
ensures low-operating temperature
• Class H circuitry
• Dual-Mono Construction
• Separate switch-mode power
supply for each channel
• Three-year parts-and-labor warranty
dicated by LED's mounted on the front
panel. Each channel has an independent peak
indicator. Power on, bridge mode, protection
active and excessive heat situations are also
individually indicated via an LED on the
front panel of the amplifier.
The 2.0kW has electronically balanced
combo type input connectors that accept an
IEC 268 standard XLR-type connector, or a
1/4-inch phone plug. A parallel connection
for routing signal to additional amplifiers is
provided by a male XLR-type connector on
each channel.
An input routing switch that allows selec-
tion of either dual-channel operation or
bridge-mode operation of the amplifier is lo-
cated at the bottom of the rear panel, and
when engaged is flush with the panel to
prevent accidental bumping of the switch.
Output connectors are heavy-duty binding
posts that provide a secure connection via
banana plugs, or will accept wire up to
7AWG in size.
Detented potentiometers on the front panel of
the 2.0kW regulate the gain of the amplifier.
The different levels of attenuation are
indicated for each channel.
The Dynamic Signal Processing
TM
TM
circuitry in

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Summary of Contents for Electro-Voice 2.0kW

  • Page 1 The high-speed switch-mode power supplies The different levels of attenuation are and dc faults. in the 2.0kW hold the secret to the light indicated for each channel. weight of the amplifier. Each channel of the The operating status of the amplifier is in-...
  • Page 2 The power amplifier shall contain processing The 2.0kW has been evaluated and tested to a pole frequency that should be matched to circuitry that will ameliorate the phase and applicable ANSI/UL and CSA standards for the tuning of a speaker system.
  • Page 3 2.0kW Lightweight Power Amplifier customer. Electro-Voice shall not be liable for any incidental or consequential damages including, without limitation, injury to per- sons or property or loss of use. Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you.
  • Page 4 2.0kW Lightweight Power Amplifier THD Plus Noise at 1 kHz (at rated Controls and Switches, Specifications power, measurement bandwidth 30 kHz): Rear, <1.0% Dynamic Signal Processing Conditions: IMD at rated power (SMPTE): LPN, B6, Off; Pole frequency 1. 0 dBu = 0.775 V rms 0.05%...