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LIMITED TWO-YEAR CONSUMER WARRANTY
Directed Electronics, Inc. promises to the
original purchaser, to replace this product
should it prove to be defective in workman-
ship or material under normal use, for a
period of two years from the date of
purchase by the dealer as indicated by the
date code marking of the product
PROVIDED the product was installed by an
authorized Directed dealer. During this two-
year period, there will be no charge for this
replacement PROVIDED the unit is returned
to Directed, shipping pre-paid. If the unit is
installed by anyone other than an autho-
rized Directed dealer, the warranty period
will be 1 year from the date of purchase by
the dealer as indicated by the date code
marking of the product. During this 1-year
period there will be no charge for this
replacement PROVIDED the unit is returned
to Directed, shipping pre-paid. This warranty
is non-transferable and does not apply to
any unit that has been modified or used in a
manner contrary to its intended purpose,
and does not cover damage to the unit
caused by installation or removal of the unit.
This warranty is void if the product has been
damaged by accident or unreasonable use,
neglect, improper service or other causes
not arising out of defects in materials or
construction. ALL WARRANTIES INCLUDING
BUT NOT LIMITED TO EXPRESS
WARRANTY, IMPLIED WARRANTY,
WARRANTY OF MERCHANTABILITY,
FITNESS FOR PARTICULAR PURPOSE, AND
WARRANTY OF NON-INFRINGEMENT OF
INTELLECTUAL PROPERTY ARE EXPRESSLY
EXCLUDED TO THE MAXIMUM EXTENT
ALLOWED BY LAW, AND DIRECTED
NEITHER ASSUMES NOR AUTHORIZES
ANY PERSON TO ASSUME FOR IT ANY
LIABILITY IN CONNECTION WITH THE
SALE OF THE PRODUCT. DIRECTED HAS
ABSOLUTELY NO LIABILITY FOR ANY AND
ALL ACTS OF THIRD PARTIES INCLUDING
ITS AUTHORIZED DEALERS OR
INSTALLERS. Unit must be returned to
Directed, postage pre-paid, with: consumer’s
name, telephone number, and address,
authorized dealer’s name and address, and
product description. IN ORDER FOR THIS
WARRANTY TO BE VALID, YOUR UNIT
MUST BE SHIPPED WITH PROOF OF
INSTALLATION BY AN AUTHORIZED
DIRECTED DEALER. ALL UNITS RECEIVED
BY DIRECTED FOR WARRANTY REPAIR
WITHOUT PROOF OF DIRECTED DEALER
INSTALLATION WILL BE COVERED BY THE
LIMITED 1-YEAR PARTS AND LABOR
WARRANTY. Note: This warranty does not
cover labor costs for the removal and rein-
stallation of the unit. BY PURCHASING THIS
PRODUCT, THE CONSUMER AGREES AND
CONSENTS THAT ALL DISPUTES BETWEEN
THE CONSUMER AND Directed SHALL BE
RESOLVED IN ACCORDANCE WITH CALI-
FORNIA LAWS IN SAN DIEGO COUNTY,
CALIFORNIA.
3
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FEATURES
„ High-speed MOSFET power supplies
„ +6 or +12 dB switchable bass
boost (4600X switchable +12dB)
„ Complimentary bipolar transistor
outputs
„ Adjustable input gain
„ Power/status LED's
„ Mono/stereo/mixed mono opera-
tion (1500X mono only)
„ Thermal, short-circuit, over-current,
„ 2 ohm stereo stable/4 ohm mono
stable (1500X 2 ohm mono
stable)
and reverse polarity protection
„ Gold-plated RCA inputs
„
Heavy duty screw terminals accept
up to 8 AWG cables
„ Built-in 2-way variable crossovers
(1500X LP only)
WARNING
High-powered car audio
systems may produce sound
pressure levels that exceed the
threshold at which hearing loss may
result.
They may also impair a driver’s ability to
hear traffic sounds or emergency vehi-
cles. Use common sense and practice
safe listening habits when listening to or
adjusting your audio system.
INSTALLATION GUIDELINES
1. Please read this owner’s manual
carefully before installing this ampli-
fier.
4. Pick a mounting location that will
provide adequate access and venti-
lation and protect the amplifier
from heat, moisture, and dirt.
2. Disconnect the battery ground
terminal prior to making any elec-
trical connections.
5. Avoid sharp metal areas when
routing cables to the amplifier, and
run RCA cables away from the
power cables and other potentially
noisy car harnesses.
3. Check for any hazards or obstruc-
tions such as gas tanks, fuel or
brake lines, and wiring harnesses
before mounting the amplifier.
4
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6. The amplifier should be grounded
with a short, heavy gauge wire
connected directly to the car at a
bare metal surface, preferably
scraped body sheet metal. Do not
use factory ground locations, seat
bolts, or brackets that are
spotwelded.
not current limited by the power
and ground supply wires.
8. This amplifier is designed to drive a
speaker load that measures from 2
to 8 ohms. Keep in mind that heat
is the long-term enemy of automo-
tive electronics and the lower your
speaker load, the more heat is
generated. For low impedance
speaker applications or restricted
ventilation installations, an external
cooling fan may be advisable.
7. Always fuse your power connection
within 8 to 10 inches of the battery
terminal. Use a fuse or circuit
breaker rated slightly more than the
on-board fuse(s) of the
amplifier(s). The gauge of power
wire used should take into account
the total current draw of the
system, and the length of wire
used. IASCA and other auto sound
competition organizations have
charts available for this; you can
also find a chart in the MECP study
guide. Minimum wire gauge recom-
mendations for the individual ampli-
fiers are listed on the specification
page. Always use the same gauge
wire for the amplifier ground that
you use for the power wire. Be sure
to examine the battery ground
cable of the vehicle, and if neces-
sary, upgrade it by adding an addi-
tional ground wire that is the same
gauge as the amplifier power wire.
Remember, the amplifier can only
deliver its rated output when it is
9. Battery and ground connections to
the vehicle should be made with
crimped ring terminals of the appro-
priate size (surface area is what
counts); soldering the terminals
after crimping is also recom-
mended.
10. Due to the high-frequency MOSFET
switching power supply, filtering the
power cable is not generally
required (remember that the amp
can’t deliver full output if the power
supply is restricted). Proper
grounding of the signal source is
mandatory for the amplifier to
reach its performance peak. If the
RCA inputs are not grounded
adequately via the signal source,
electrical noise from the vehicle
may be picked up in the system.
5
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FRONT PANEL CONNECTIONS/CONTROLS
NOTE:
The step numbers listed below are referenced on the Input Wiring Diagram.
RCA Input Jacks -
Bass EQ Switch
- Adds an additional
1.
Accepts line level
outputs from head units or signal
processors at voltages between
150mV and 4 volts.
5.
6 or 12 db of bass boost to the
speaker output (4600X 12 db
only).
Status LED
6.
- Will light BLUE to indi-
Input Gain Adjustment -
2.
Controls
cate the amplifier is on and oper-
ating normally, and will be RED if
the amplifier shuts down due to
short circuit, or overheating
detected by on-board protection
circuitry.
amplifier sensitivity and is used to
match the input level of the ampli-
fier to the output level of the signal
source.
Crossover Frequency Adjustment -
Adjusts the crossover point for the
on-board active crossovers.
3.
4.
NOTE:
The 2300X and 4600X amplifiers require that
the system remote power be cycled off and on
again to restart the amplifier after a protection
shutdown.
Crossover Selection Switch
-
Controls the type of filter for the on-
board active crossover. FLAT does
not attenuate any frequencies and
is for full-range speaker systems.
HPF attenuates low frequencies and
is used for mid-range speakers and
tweeters. LPF attenuates high
frequencies and is used for
subwoofers speakers.
The 1500X amplifier will cycle off and automati-
cally turn back on when the fault condition clears.
The amplifier should be inspected for proper venti-
lation clearance on all sides of the amplifier (2-
inches). The speaker wiring should be inspected
for any shorts.
NOTE:
The 1500X and 2300X amplifiers have one
combined Power/Protection (BLUE/RED) LED,
the 4600X amplifier has separate Power (BLUE)
and Protection (RED) LEDs.
6
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INPUT WIRING DIAGRAMS
5
4
X-OVER
1
2
3
6
5
4
LPF
HPF
1
2
3
6
3
7
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FOUR CHANNEL 4600X
5
4
5
4
6
6
POWER PROTECT
LPF
HPF
1
2
3
3
2
1
8
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CROSSOVER SETTINGS AND GAIN ADJUSTMENT
Your Xtreme Series power amplifier by Directed Audio needs to be adjusted carefully to
achieve maximum performance. These are some guidelines to follow when fine-tuning
the amplifier.
„ For full-range and simultaneous stereo/mono bass applications, the crossover selec-
tion switch should be set to FLAT. If the amplifier is driving your subwoofers, set the
switch to LPF, and for mid-bass/midrange output, set to HPF.
„ The crossover frequency control needs to be adjusted to suit your particular system.
For subwoofer applications, try to keep the setting low enough to prevent the
image smearing (you should not be able to hear male voices from the subwoofer)
but not so low as to create a gap between the subwoofer and the mid-
bass/midrange speakers. For mid-bass/midrange settings, try to keep the setting
low enough to keep your sound stage in front of you, without overdriving the
speaker. It will be to your advantage to spend some extra time with this adjust-
ment, listening to familiar music or system set-up discs to achieve the kind of
musical reproduction that you prefer.
„ The gain adjustment allows you to set proper signal match for clean, quiet ampli-
fier operation. For full-range and simultaneous stereo/mono bass applications,
start by playing some music you are familiar with. With the gain adjustment on
the amplifier in the middle of its rotation, bring up the volume on your head unit
to the 3/4 volume setting or until you start to hear distortion or clipping. If you
hear distortion before you reach the 3/4 volume setting of your head unit, reduce
the gain setting on the amplifier and start to raise the head unit volume again.
When you can listen to the music at or slightly above 3/4 on your head unit
without audible distortion, slowly raise the gain of the amplifier until distortion is
heard, then back off the gain until the distortion is not audible. This setting will
allow you to reach full output with all but the quietest of source material, while
avoiding excessive noise in the system.
„ The same procedure should be used for adjusting the amplifier when the on-board
crossover is set to LPF or HPF, but you will also have to take into consideration the
effect that gain adjustment has on system frequency response and imaging.
Again, plan on spending some time with music that you know, getting the gain
and crossover settings the way you like. Test discs and analyzers may help with this
process, but in the end it's your ears that count - listen to the music!
9
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REAR PANEL CONNECTIONS
Speaker Out Terminals
1.
- Connect
the remote turn on lead of the head
unit or signal source. If a (+) 12
volt remote turn lead is not avail-
able, a Remote Power Adapter
(P/N #55000) can be used to
supply a remote turn on signal. DO
NOT connect this terminal to
constant (+) 12 volt.
the speakers to these terminals.
(Refer to the Speaker Connection
section of this guide.)
Power Fuse -
2.
This fuse protects the
amplifier against internal electrical
damage and is meant to protect the
amplifier only. All other power
connections should be fused at the
source.
Ground -
5.
Connect this terminal
directly to the sheet metal chassis
of the vehicle using the shortest
wire necessary to make this
connection. Always use wire of the
same gauge or larger than the (+)
12 volt power wire. The chassis
connection point should be scraped
free of paint and dirt. Use only
quality crimped and/or soldered
connectors at both ends of this
wire. DO NOT connect this terminal
directly to the vehicle battery
ground terminal or any other
factory ground points.
(+) 12 Volt Power
3.
- Connect this
terminal through a FUSE or CIRCUIT
BREAKER to the positive terminal of
the vehicle battery or the positive
terminal of an isolated audio
system battery.
WARNING: Always protect this power wire by installing a fuse
or circuit breaker of the appropriate size within
12 inches of the battery terminal connection.
Remote Turn On
4.
- This terminal
turns on the amplifier when (+) 12
volt is applied to it. Connect it to
10
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SPEAKER CONNECTIONS
MONO CHANNEL 1500X
TWO SPEAKER CONNECTION
SPEAKER
4 Ohm
25A fuses
FUSES
SPEAKER
4 Ohm
ONE SPEAKER CONNECTION
SPEAKER
2-4 Ohm
25A fuses
FUSES
11
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TWO CHANNEL 2300X
25A fuse
FOUR CHANNEL 4600X
25A fuses
FUSES
BRI
BRI
Note that the two speakers & four
speakers have been connected to the
four terminal following the (+) and (-)
graphic. Your speaker terminals may be
marked (+) and (-) or there may be red
dot by one terminal which means the
same as (+).
Connecting the speakers in this manner
assures that the two speaker cones will
move in and out together according to
the original recording. If one of the two
speakers is reversed, stereo imaging
and bass response will be degraded.
12
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BRIDGE MODE
TWO CHANNEL 2300X
SPEAKER
4 Ohm
25A fuse
FOUR CHANNEL 4600X
SPEAKER
4 Ohm
25A fuses
FUSES
BRI
BRI
SPEAKER
4 Ohm
Note that the two speakers & four
speakers have been connected to the
four terminal following the (+) and (-)
graphic. Your speaker terminal may be
marked (+) and (-) or there may be red
dot by one terminal which means the
same as (+).
Connecting the speakers in this manner
assures that the two speaker cones will
move in and out together according to
the original recording. If one of the two
speakers is reversed, stereo imaging
and bass response will be degraded.
13
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SPECIFICATIONS
Xtreme models 1500X
2300X
4600X
Type
Mono block
500 watts
150 x 1
2-channel
4-channel
Maximum Power
300 watts
50 x 2
600 watts
50 x 4
Continuous Power @ 4 ohms
(watts RMS)
Continuous Power @ 2 ohms
(watts RMS)
250 x 1
>50
75 x 2
>50
75 x 4
>50
Damping Factor
Frequency Response
20Hz-20kHz 20Hz-20kHz 20Hz-20kHz
+/- 1dB
+/- 1dB
+/- 1dB
S/N Ratio
-90dBA
-90dBA
-90dBA
(Full power into 4 ohms)
Crossover
LP 50-250Hz Variable
Variable
HP/LP
12dB Slope
HP/LP
50-250Hz
12dB Slope
50-250Hz
12dB Slope
Bass EQ
Switch
+6/+12dB
@ 50Hz
Switch
+6/+12dB
@ 50Hz
Switch
+12dB
@ 50Hz
Input Sensitivity
Protection
200mV-4V
100mV-4V
100mV-4V
Thermal, Overcurrent, Short Circuit, Reverse
Polarity
Fuse Size
25A x 2
10
25A
12
25A x 2
10
Minimum Power Wire Gauge
14
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© 2003 Directed Electronics, Inc.
-
All rights reserved
-
G43000/10/15 01/04
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