Plasma Series
High Powered Loudspeaker
Owner’s Manual
- P1 (Left & Right)
- P2Subwoofer
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Table of Contents
Important Safety/Service Instructions........................................................................................... 1
Plasma Series Owner’s Manual ................................................................................................... 2
Safety First ................................................................................................................................... 3
Description ................................................................................................................................... 4
System Features - Plasma ........................................................................................................... 4
System Setup ............................................................................................................................... 4
P1 and P2 Amplifiers .................................................................................................................... 5
Setup Diagrams for Plasma ......................................................................................................... 7
Using Plasma P1’s as Floor Monitors .......................................................................................... 8
Plasma P1 Rigging....................................................................................................................... 8
Suspending Plasma P1 Speaker Systems................................................................................... 9
Specifications ............................................................................................................................. 10
Dimensions (Plasma P1)............................................................................................................ 10
Dimensions (Plasma P2 Subwoofer)...........................................................................................11
Block Diagrams .......................................................................................................................... 12
Notes .......................................................................................................................................... 13
Plasma Series Owner’s Manual
Thank you for choosing Electro-Voice® Plasma high powered loudspeaker systems. These
systems are the culmination of EV’s 75 years of experience in transducer design and over 50
years of experience in designing and building electronics. Please take time to consult this manual
so that you can understand all the features built into your EV systems and fully utilize all their
performance capabilities.
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Safety First
When setting up, installing and using Electro-Voice® Plasma speaker systems, there are a number
of precautions that you should follow:
· When Electro-Voice® Plasma speakers are used for portable applications in which they will be
stacked directly on the floor, make sure that the floor or stage is solid and secure.
Make sure to:
· Route cables and position the stand so that performers, production crew and audience members
will not trip over the stand or cables and pull the speaker system over. Secure cables with wire
ties or tape whenever possible.
· If you intend to hang or fly the Plasma two-way systems, only do so safely with the correct
hardware and accessories.
WARNING: Suspending any object is potentially dangerous and should only be
attempted by individuals who have a thorough knowledge of the techniques and
regulations of rigging objects overhead. Electro-Voice® strongly recommends that
Plasma speakers be suspended taking into account all current national, federal, state
and local regulations. It is the responsibility of the installer to ensure that Plasma speakers are
safely installed in accordance with all such regulations. If Plasma speakers are suspended,
Electro-Voice® strongly recommends that the system be inspected at least once a year. If any sign
of weakness or damage is detected, remedial action should be taken immediately. There are data
sheets for each EV hanging hardware part that should also be consulted prior to suspending
speakers.
· Electro-Voice® does not recommend use of Plasma speakers outdoors without
protection from rain or in high moisture environments.
· Electro-Voice® Plasma loudspeakers are easily capable of generating sound
pressure levels sufficient to cause permanent hearing damage to anyone within
normal coverage distance. Caution should be taken to avoid prolonged exposure to
sound pressure levels exceeding 90 dB.
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Description
Electro-Voice® Plasma high powered loudspeakers are fully integrated audio systems with
carefully matched electronics and transducers. These products make it easy to setup a high-
quality sound system quickly with a minimum of cables and external electronics. It retains typical
EV ruggedness, reliability and impeccable sound quality.
System Features - Plasma
· Two built-in power amplifiers, one for low frequencies and one for high frequencies. The
amplifiers also contain electronic crossover circuitry and CD horn compensation optimized for
the speaker components a well as a limiter circuit that prevents either amplifier from clipping
while preserving the sonic quality.
· The low-frequency power amplifier delivers 500 watts continuous average power.
· The high-frequency power amplifier delivers 150 watts continuous average power.
· The subwoofer power amplifier delivers 800 watts continuous average power.
· The line input utilizes Neutrik “combo” connectors, which will accept either ¼-inch or 3-pin XLR-
type connectors.
· The separate line output is a 3-pin XLR-type that can be used to connect additional systems.
· The Plasma P1 two-way system is perfect for use as powered floor monitors.
· Neutrik Powercon connectors are used for AC power connections. They provide a positive
locking feature to prevent accidental disconnection.
System Setup
To get your Plasma system into operation as quickly as possible, please observe the following
steps and precautions.
· Plug the 3-terminal Powercon ac cable into a grounded line receptacle. Extension cords can be
used to lengthen the ac cable as necessary but make sure that they are 3-conductor 14 gauge
or greater, and that are properly grounded to avoid electrical hazards and extraneous noise.
· Be sure that the Plasma system is plugged into an ac power source that is capable of supplying
the correct voltage. If the line voltage drops too much, the built-in amplifiers won’t be able to
develop their rated power and sound quality will suffer. Under high signal conditions, the Plasma
amplifier section can pull 3 – 4 amps of current (120 volt models) (2 amps at 240 volts). That
means that no more than 4-Plasma systems should be plugged into a single 15 amp electrical
service. Be cautious of what else is plugged into the same electrical service line to avoid
electrical problems and poor performance.
· BEFORE TURNING THE POWER ON, MAKE SURE THAT THE LEVEL CONTROLS ARE
DOWN TO AVOID TRANSIENTS OR UNEXPECTED LOUD SOUND. Turn on the power switch
and ensure that the system is receiving power by monitoring the status LED. If the system is
receiving signal, the LED will illuminate green.
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P1 and P2 Amplifiers
Input Signal
Electronically balanced inputs for the connection of
high-level signal sources such as mixers, signal
processors, etc. Establishing the connection is
possible via phone or XLR-type jacks. Balanced
connection is recommended to prevent noise or
HF-interference.
Caution: Before connecting or disconnecting any
plugs, make sure to set the level control to its
counterclockwise stop, which prevents the system,
the audience and yourself from being stressed by
nasty contact noise.
Input Loop
Output is full bandwidth pass through.
Crossover Mode Switch
Selects between 40 Hz highpass filter for
Fullrange use, and 100 Hz highpass filter for use
with Plasma P2 subwoofer. It is not recommended
that you use your P1 in Fullrange with subwoofers.
Level
This control sets the output volume of the P1 or P2
in a range between -∞dB and +6dB. The internal
power amplifier provides a nominal input sensitivity
of +6dBu.
Level adjustment knob shown in place. Unit is
shipped preset at 0 dB without knob installed
(knob is shipped separately with your Plasma
System). If knob is not used, please remember
where you store it. Customer can adjust level by
removing cover, pressing knob in place, and
rotating to desired level.
CAUTION: THIS APPLIANCE HAS
NO USER-SERVICABLE PARTS
INSIDE. LEAVE ANY SERVICING
AND MAINTENANCE QUALIFIED
SERVICE TECHNICIANS ONLY.
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Status Indicators
These indicators provide information about the actual operational state of
the Plasma’s internal power amplifier.
Signal Indicates that an audio signal is present at the input and that it is
output.
Limit When lit this indicator signals that the internal power amplifier actually
operated at the threshold of clipping. Short-term blinking is not critical,
because the amp’s audio limiter keeps distortion under control, so that the
sound is unaffected. Input overdrive, which results in sound degradation, is
a probable cause for a continuously lit indicator. To prevent this from
happening, reduce the input level.
Protection There are two leds to indicate Speaker Protection, or Amplifier
Protection. When Speaker is lit the voice coil protection circuit is in operation
to prevent over powering the voice coil. Short term blinking indicates high
average power of the program signal, sound is not affected. Amplifier
indicates the amplifier thermal protection is engaged, this shuts down the
amplifier and its sound output. It will reset automatically when its operating
temperature is safe. If it occurs check the heatsink location to make sure it
in a normal environment. It should not be in the path of very hot air.
Power Switch
AC switch for switching the Plasma’s power ON or OFF. The switch lights after
turning the power ON. Make sure that the AC cord is correctly connected if the
switch is not lit upon turning the power on. If the AC cord is correctly connected
and the AC switch does not light upon power-on, please contact your local
dealer.
AC Fuse
During normal operation the AC fuse of the Plasma only blows at the occurrence
of a malfunction. Exchanging the fuse is only permissible using a fuse of the
same type (current, voltage and release characteristic). In case the fuse blows
frequently, please contact your local dealer.
AC Connector
AC connection is established via a PowerCon connector. A 15’ (5m) long AC cord
with PowerCon plug is supplied.
AC Out
The PowerCon AC out socket allows the connection of additional Plasma
Systems.
To prevent AC network overload, connecting more than 3 Plasma Systems to a
single AC outlet (10A - 16A) is not recommended.
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Figure 1a:
Rear Panel Plasma P1
Figure 1b:
Rear Panel Plasma P2
Setup Diagrams for Plasma
· Plug a line input into either the ¼-inch or the 3-pin XLR-type input connector. The ¼- inch input is
in the center of the XLR connector and can accept unbalanced or balanced lines (TRS ¼-inch).
The line input level required to drive the unit to full power is from – 12 dBu to 0 dBu. The
system’s level control regulates the overall output level of the system.
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Using Plasma P1’s as Floor Monitors
· The Plasma P1 is perfect for use as a powered floor monitor.
Figure 2:
Using the Plasma P1 as a mirror image Floor Monitor
Plasma P1 Rigging
· The Plasma P1 has an L-track embedded into the top, side,
and bottom of the enclosure to provide convenient multi axis
suspension and attachment points. The L-track accepts single
and double-stud locking, swivel fittings. The optional mounting
accessories shown in Figure 3 are available for quick, secure
attachment to trusses, or other overhead structures. A
threaded hole in the L-track can be used for a single point
attachment of the PSA-V arm for simple and quick suspension
with full vertical and horizontal rotation of the Plasma P1.
A second
attachment point
is recommended
for overhead
use.
Truss Clamp D112941
(Sold Separately)
PSA-V Strong-Arm Mount
301538-001
Figure 3:
Rigging Hardware for the Plasma P1
Figure 4:
Suspending the Plasma P1
WARNING: Suspending any object is potentially dangerous and should only be
attempted by individuals who have a thorough knowledge of the techniques and
regulations of rigging objects overhead. Electro-Voice® strongly recommends that
Plasma speakers be suspended taking into account all current national, federal, state and local
regulations. It is the responsibility of the installer to ensure that Plasma speakers are safely
installed in accordance with all such regulations. If Plasma speakers are suspended, Electro-
Voice® strongly recommends that the system be inspected at least once a year. If any sign of
weakness or damage is detected, remedial action should be taken immediately.
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Suspending Plasma P1 Speaker Systems
P1 enclosures have L-track located on the top, bottom, and on one side. Single or double stud
ring fittings can be attached to the L-track to be used as suspension points. These points are
located at the center of gravity to allow the system to hang straight when used either vertically, or
horizontally. Plasma P1 is NOT designed to be suspended vertically from one another. More than
one system should never be suspended from a single point! Working load limits for the enclosure,
and fittings are shown below in Figure 5. Plasma P1 enclosures have been pull tested and
exceed a safety factor of 10 to 1.
Figure 5:
Working Load Limit Rating of Plasma P1 Powered Speaker System
Prior to each use, inspect the grid assembly or suspension point(s) and associated hardware for
any cracks, deformations, broken welds, corrosion, missing or damaged components which could
reduce the grid assembly or suspension point(s) strength. Replace any damaged hardware. Never
exceed the limitations or maximum recommended load intended for grid assembly design or
suspension point(s). As an added safety measure, it is suggested that the user install a second
suspension point back to the grid (or building structural supports). This redundant safety point
should have as little slack as possible (less than one inch is preferable).
Prior to each use, inspect the loudspeaker enclosures for any cracks, deformations, missing or
damaged components, which could reduce enclosure strength. Inspect the track and bracket
assembly on the enclosures for any cracks, deformations, missing or loose screws which could
reduce the flying hardware strength. Replace any loudspeaker systems that are damaged or
missing hardware. Never exceed the limitations or maximum recommended load for the Plasma
systems.
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Specifications
Plasma P1
Plasma P2
Freq. Response (-3 dB): 45 Hz - 17 kHz
Freq. Range (-10 dB)1: 38 Hz - 19 kHz
Calculated Max SPL: 132 dB
Horizontal Coverage: 80°
Freq. Response (-3 dB): 40 Hz - 100 Hz
Freq. Range (-10 dB)1: 30 Hz - 110 Hz
Calculated Max SPL: 132 dB
Amplifier Design: Class H
Vertical Coverage: 55°
THD: < 0.05%
Amplifier Design: Class H
Input Impedance: 20K Ω
THD: < 0.01%
Amplifier Power: 550 W RMS (800W Peak)
Low-Pass Crossover: 100 Hz, 24 dB/Oct, Linkwitz-Riley
Level Control: - θ to +6 dB
Input Impedance: 20K Ω
LF Amplifier Power: 460 W RMS (550W Peak)
HF Amplifier Power: 140 W RMS (150W Peak)
Transducer: 18" (460 mm) EVX180B
High-Pass Crossover Fullrange: 45 Hz, 12 dB/Oct, Q=1.2
(Switchable): Mid/High: 100 Hz, 24 dB/Oct, Linkwitz-
Riley
Connectors:
Balanced Line Inputs: XLR and ¼" phone Combination
Balanced Output: XLR
Level Control: - θ to +6 dB
Power Requirement: 100, 120, 230, or 240 VAC, 50-60Hz
Enclosure Material: 13-ply Birch Plywood
Cabinet Finish: Futura
LF Transducer: 15" (381 mm) EVX155RMD
HF Transducer: 1.4" (35.6 mm) exit ND6 Comp. Driver
Connectors:
Grille: Powder Coated Steel with Cloth
Hardware Included: Casters; Pole Mounting Flange
Balanced Line Inputs: XLR and ¼" phone Combination
Balanced Output: XLR
Power Requirement: 100, 120, 230, or 240 VAC, 50-60Hz
Enclosure Material: 13-ply Birch Plywood
Cabinet Finish: Futura
Dim (H x W x D): 35.8" x 18.8" x 23.6"
(910 x 476 x 600 mm)
Net Weight: 140 lbs (63.6 kg)
Shipping Weight: 150 lbs (68.1 kg)
Grille: Powder Coated Steel with Cloth
Dim (H x W x D): 24.2" x 18.8" x 15.7"
(615 x 476 x 400 mm)
Net Weight: 93 lbs (42.3 kg)
Shipping Weight: 99 lbs (45.0 kg)
Dimensions (Plasma P1)
Top View
Top View
Side View
Front View
Front View
Side View
Plasma P1L (Left Version)
Plasma P1R (Right Version)
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Dimensions (Plasma P2 Subwoofer)
Top View
Front View
Side View
Plasma P2 Subwoofer
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Block Diagrams
Plasma P1
Plasma P2
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Notes
13
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Notes
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U.S.A. and Canada:
For customer orders, contact the Customer Service department at:
800/392-3497 Fax: 800/955-6831
For warranty repair or service information, contact the Service Repair Department at:
800/685-2606
For technical assistance, contact Technical Support at:
866/78 AUDIO
Specifications subject to change without notice.
All Locations:
952-884-4051 Fax: 952-884-0043
Printed in U.S.A
© Telex Communications, Inc. 12/2003
Part Number 38110-323 Rev B
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