MODEL:
VR142 VR202 VR302 VR402 VR602 VR1202 VR354 VR404
VR804 VR401 VR300D VR600D
VR1000D VR2000D VR705D
POWER/4 ohm 35 x 2 50 x 2 75 x 2
100 x 2
150 x 2 300 x 2 35 x 4 50 x 4 100 x 4 200 x 1 150 x 1
150 x 1
250 x 1 1000 x 1 50 x 4/150 x 1
POWER/2 ohm 70 x 2 100 x 2 150 x 2 200 x 2 300 x 2 600 x 2
70 x 4
100 x 4 200 x 4 400 x 1
300 x 1 300 x 1 500 x 1 2000 x 1 100 x 4/300 x 1
POWER/1 ohm N/A N/A N/A
N/A N/A N/A N/A N/A N/A N/A N/A 600 x 1 1000 x 1 N/A
N/A
BRIDGED/4 ohm 140 x 1
200 x 2 300 x 2 400 x 1 600 x 1 1200 x 1
140 x 2 200 x 2
400 x 2 N/A N/A N/A N/A N/A 200 x 2/150 x 1
T.H.D 0.02%
0.02%
0.02% 0.02% 0.02% 0.02% 0.02% 0.02% 0.02% 0.02%
*** *** *** *** 0.02%
Bandwidth + 3dB
5-38KHz
5-38KHz 5-38KHz 5-38KHz
5-38KHz 5-38KHz 5-38KHz 5-38KHz
5-38KHz 5-38KHz
5-250Hz 5-250Hz
5-250Hz 5-250Hz 5-38KHz/5-250Hz
Signal To Noise >93dB
>95dB >97dB >97dB >100dB >100dB
>95dB >95dB
>95dB >94dB
>90dB >90dB >90dB >90dB >95dB
Damping Factor >150 >200 >200
>200 >300 >200 >150 >150 >150 >310 >200 >200 >200
>200 >250
Separation 60dB 60dB 62dB 62dB 68dB 68dB 61dB
61dB 61dB
N/A N/A N/A N/A N/A 60dB
Input Sensitivity * *
* * * *
* *
* * * * * * *
Input Impedance 20Kohm 20Kohm 20Kohm
20Kohm
20Kohm 20Kohm 20Kohm 20Kohm 20Kohm 20Kohm 20Kohm
20K
ohm 20Kohm 20Kohm 20Kohm
Power Fuse 20 A 25 A 30 A (2)25 A (2)30 A N/A
25 A
(2)20 A N/A
(2)25 A N/A N/A N/A N/A N/A
Dimensions W: 9.3 IN 9.3 IN
9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN
9.3 IN 9.3 IN
9.3 IN 9.3 IN
H: 2.1 IN
2.1 IN 2.1 IN
2.1 IN 2.1 IN 2.1 IN 2.1 IN
2.1 IN 2.1IN
2.1 IN 2.1 IN 2.1 IN 2.1 IN 2.1 IN 2.1 IN
L: 8.5 IN
10.5 IN
11.5 IN 13 IN 15 IN 22 IN 12 IN 14 IN 17.6 IN 13 IN
9.5 IN 11.5 IN 14 IN 22 IN
19 IN
CROSSOVER:
Selectable ON/OFF crosso
ver-fully variable 5
0-150Hz HP (High Pass)/LP (Low Pass) or for those models with "NO" high lev
el inputs is
variable 50-500Hz HP/LP
Var. HP/LP
50-150Hz
50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz
50-150Hz 50-150Hz
50-150Hz 50-150Hz
50-250Hz 50-250Hz 50-250Hz
50-250Hz 50-250Hz
Var. High Pass
50-500Hz 50-500Hz 50-500Hz
50-500Hz 50-500Hz 50-500Hz 50-500Hz
50-500Hz 50-500Hz
50-500Hz
N/A N/A N/A N/A
50-250Hz
X-O
ver Slope 12dB 12dB
12dB 12dB 12dB 12dB 12dB 12 dB 12dB 12dB 12dB 12dB 12dB 12dB
12dB
45hz BOOST YES
YES YES YES
YES NO NO NO NO NO NO NO
NO NO NO
Sub-Sonic Filter NO
NO NO NO NO NO NO
NO NO
NO 20-50Hz 20-50Hz 20-50Hz 20-50Hz 20-50Hz
High Level Input
YES* YES* YES* NO NO NO
YES* YES* YES* YES* YES*
NO NO
NO NO
Pass-Thru Output
NO NO NO NO NO NO NO
NO NO
YES YES YES YES YES NO
***
T.H.D. levels vary depending o
n impedance load. Please see chart below for more information. All
specifications are with 12.5 volts DC.
Typical output with 14.4
volts DC is approximately 20% higher.
T.H.D. LEVEL @ 4 OHM
@.08% @.08% @.08% @.08%
T.H.D. LEVEL @ 2 OHM
@.40% @.40% @.40% @.40%
T.H.D. LEVEL @ 1 OHM
N/A
@1% @1% N/A
* In an
effort to maintain the be
st quality and functioning product on the market co
ntinuous changes such
as the following are made as a "Running
Change" improvent. In some model amplifiers the
"HIGH LEVEL" input was replaced wi
th an "INPUT SENSITI
VITY MULTIPLIER". This two position swit
ch
allows the amplifier to make full po
wer at a wider range of voltage input with
out the use of a li
ne driver or sacrifice of sound quality. The following chart
explains the variations entitled to such changes.
INPUT SENSIT
IVITY MEASUREMENTS
X1 INPUT
150mV-3.2V
150mV-3.2V 150mV-3.2V
150mV-3.2V 150mV-3.2V
150mV-3.2V 150mV-3.2V 150mV-3.2V
150mV-3.2V 150mV-3.2V
240mV-6V 240mV-6V
240mV-6V 240mV-6V
X3 INPUT
450mV-9V
450mV-9V 450mV-9V
450mV-9V
450mV-9V 450mV-9V
450mV-9V
450mV-9V
450mV-9V
450mV-9V
NA
NA NA NA NA
Class "D" Technology
Military Spec Audiophile Gr
ade Components
High Efficiency PWM Power Supply
-Multi-stranded power
torroid
-Oversized torroidial core
MOSFET Input and
Output Transistors
Oversized Capacitor Banks
Discrete Mount Power and Speaker Terminals
Variable Lowpass Electronic Crossover
Variable Subsonic Filter
RCA Preamp Output
-Variable HP/LP/Full crossover
Built in Bridging Module (60
0D,1000D)
-Master / Slave Selector
-0/180 Phase Selector
5 Way Protection Cir
cuitry
Soft Remote On/Off Circuitry
Remote Subwoofer Level Control
Class "AB" Technology
Fully 2 Ohm Stable Stereo Operation
Military Spec. Audiophile Grade Components
High Efficiency MOSFET Power Supplies
-Multi-stranded power torroid
Efficient Bipolar Output Transistors
Oversized Capacitor Bank
Wire Free PC Board Layouts
Nickel Plated Input an
d Output Connectors
Variable Highpass and Lowpass Electronic Crossover
s
Simultaneous Mono/Stereo Operation Capability
Internally Bridgeable
5 Way Protection Circuitry
Soft Start, On/Off Circuitry
High Level Inputs
VR142 VR202 VR302 VR402 VR602
VR1202 VR354 VR404 VR804 VR401
VR300D VR600D VR1000D VR2000D
FEATURES
FEATURES
SPECIFICATIONS
SPECIFICATIONS
For the VR705D amplifier please refer to the Class AB technology for channels 1-4 and Class D technology for the 5th channel.
150mV-3.2V
240Mv-6V
VR AMPLIFIERS
VR AMPLIFIERS
VR Series
SPECIFICATIONS
The quality of installation may affect the performance and reliability of your Crossfire product. If you have any doubts or questions regarding installation, we recommend that you
contact your authorized Crossfire dealer. Remember to follow all wire and fuse requirements suggested in this manual. Warranty may void if proper installation technique is not
used (refer to warranty section in the rear of this manual).
IMPORTANT
IMPORTANT
Please read all instructions before installation!
Please read all instructions before installation!
Appropriate mounting is very important for prolonged life expectancy of any amplifier. Select a location of applicable space that allows sufficient airflow and provides protection
from moisture. Keep in mind that an amplifier should never be mounted upside down. Upside down mounting will compromise heat dissipation through the heatsink and will
engage the thermal protection circuit much sooner. Excessive heat can shorten your amplifier's life. To maximize heat dissipation, be sure to leave at least 2.5 inches of clearance
around the amplifier. Fans should be used in correspondence with an escape duct for heat when mounting the amplifier in an enclosed or restricted area.
Avoid slipping and scratching your new Crossfire amplifier by pre-drilling the mounting holes with either an 1/8" or 3mm diameter drill bit when using the screws supplied in the
accessory kit. Always investigate the mounting area thoroughly for electrical wires, vacuum lines, and brake or fuel lines before you start, as to prevent any potentially expensive
mistakes.
Heat is trapped inside the
amplifier, shortening the life
of the electronic components.
Incorrect Mounting
Correct Mounting
Heat is lifted from the
amplifier heatsink.
MOUNTING
MOUNTING
Tab Installation
Tab Installation
Input Sensitivity
Input Sensitivity
L R
L R
OW IN
L
LEVEL
ON OFF
FREQ
HPF FULL LPF
POWER
50Hz 150Hz
CROSSOVER
BOOST
LOW
R
Q
50Hz
HIN
OST
LOW IN
LOW IN
R
50Hz 150Hz
50Hz 150Hz
HIGH IN
HIGH IN
ON OFF
HPF FULL
POW
CROSSOVE
BOOST
LL LPF
WER
Fig. 2
Fig. 1
Fig. 4
Fig. 3
(Fig. 1) Shows that this amplifier does NOT have
the mounting feet in place.
(Fig. 2) Place one end of the foot in the slot. Make
certain it is facing in the proper direction.
(Fig. 3) With a small rubber mallet, hammer the
opposite end of the foot until it snaps into the slot
correctly.
(Fig. 4) With the foot in place, it is normal for it to
have minimal play.
LOW INFRONT LOW IN REARLEVEL
R
L
R
L
X3 X1 X3 X1
LEVEL
FREQ
(Hz)
FREQ
(Hz)
HPF FULL LPF
POWER
PROT
CROSSOVER
HPF FULL LPF
CROSSOVER
3.2V
1.8V
420mV
165mV
150mV
50
105
225
395
500
50
105
225
390
500
3.2V
1.8V
420mV
165mV
150mV
fig. 1 fig. 2
This amplifier maybe equipped with an input sensitivity
switch(s) (fig. 1 and 2) which are meant to assist in
producing its rated power when using a head unit with
low voltage preamp outputs. For example, if your
model amplifier has this switch(s) and is afixed to the
"X3" position (fig. 1) the amplifier is most sensitive to
an input voltage range from 450mV-9V, where as when
set to the "X1" position it is most sensitive to an input
voltage range from 150mV-3V. However, this does not
mean you can connect or splice speaker level outputs
from a head unit to the RCA terminals of the amplifier.
2
Tab Installation Input Sensitivity
L R
LOW IN
R
50Hz 150Hz
HIGH IN
GROUND
The wire used for ground should be of the same gauge as the power wire. Make sure to choose a different color (generally black) so that you do not reverse the polarity at the amplifier
terminals. Follow the rules below for connecting the ground wire properly:
1. Avoid using seat bolts, seatbelt bolts, and fender wells for ground.
2. Choose a metal area close to the amplifier that appears to be a good source of ground, such as the floor.
3. Investigate the area you wish to use for electrical wires, vacuum lines, and brake or fuel lines.
Directions for connecting the ground wire to the vehicle:
1. Find a nut and bolt to fit the ring terminal you have chosen.
2. Drill a hole just large enough for the bolt to fit through at the source of ground.
3. Use either a wire brush or sandpaper to eliminate unwanted paint around the hole you have drilled as to supply a better conta
ct for your ground.
4. Terminate the ground wire to the ring terminal and attach it to the bare metal using the nut and bolt. It is very important for this connection to be solid.
5. Spread silicon over the screw and bare metal to prevent rust and possible water leaks.
REMOTE TURN-ON
Between the power and ground of the amplifier is a remote turn-on terminal. This terminal must be connected to a switched +12 volt source to make the amplifier operational. Typically,
remote turn-on leads are provided at the head unit that will turn on and off the amplifier in correspondence with the source. This means you will most likely have to remove the head
unit from the dash to find the source +12V output wire.
Once the head unit is pulled from the dash, find the remote turn-on located in the wiring harness of the head unit. The majority of vehicles will be using an after market head unit when
installing an after market amplifier. These after market head units generally use a blue or blue/white colored wire as the remote turn-on lead. In most cases the blue/white lead is
usually the remote turn on lead. However, when using a factory radio, the power antenna wire may be used as a turn-on lead. You must first test this lead to make sure that it remains
energized regardless of the source the head unit is switched to. The antenna lead will energize when switched to the tuner mode, but turn off when the unit is switched to tape/CD
player. Only if a lead is not available at the source, a switched +12 volt supply, such as a toggle switch should be applied. Use a minimum of 18-awg wire to connect the amplifier to this
lead. Connect this lead to the head unit using a mating terminal or by soldering the three points together, but be sure to heatshrink the connection. If possible run this wire along side
of the power wire using the same precautions.
All Crossfire amplifiers are designed to work within 10.5 to 16 volts DC. Therefore, as a precaution, the vehicle's electrical system should be checked for correct voltage supply with the
help of a voltmeter. First, connect the test leads of the voltmeter to the battery terminals with the ignition of the vehicle in the off position. The voltmeter should read no less than 12
volts. Next, check voltage of the battery with the engine running between 1500 and 2000 rpms. The voltmeter should now read between 13.5 and 14.5 volts. If your vehicle's
electrical system is not up to these specifications, we recommend having it checked by an automotive mechanic before you further the installation.
POWER WIRE AND FUSE
The proper wire size is very important for an amplifier capable of these power levels. The following are the minimum recommended fuse values and wire gauge for lengths up to 20ft.
MODEL: WIRE AWG FUSE MODEL: WIRE AWG FUSE
VR142 10 20 VR804 4 100
VR202 10 25 VR401 8 50
VR302 10 30 VR705D 4 100
VR402 8 40 VR300D 8 40
VR602 8 60 VR600D 8 60
VR1202 4 x 2 170 VR1000D 4 120
VR354 10 25 VR2000D 4 x 2 240
VR404 8 40
POWER
Power wires need to be connected directly to the battery using the wire requirements listed above. Never use the fuse box or any other wire as a source for the power for an amplifier.
Before you start, choose the easiest and safest path to run the wire from the battery to the amplifier. Generally, try to keep the power wire on the driver's side of the vehicle (See
Signal Inputs & Outputs for explanation). Follow the rules below for running the power cable through the vehicle:
1. Use grommets when passing the power wire through any metal wall of the vehicle.
2. Avoid sharp corners or sharp body parts that may easily cut through the insulation on the wire.
3. Avoid running the power wire over engine components and near heater cores.
4. Avoid the gas, brake and clutch pedals and their mechanisms.
5. Use an inline fuse at the battery to eliminate the risk of a fire caused by a short in your power wire.
6. Connect the fuse holder as close to the battery positive terminal as possible.
At this point, the power, ground, remote, and speaker wires should be run to the general location of where the amplifier is to be mounted
. If the wires are to be hidden u
nder
the carpet, you now need to cut a slit for them to come throug
h. To do this, place th
e amplifier in the location it is to
be mounted to verify where the slits need to
be. Make
sure that there will not be
a conflict with the mounting of the amplifier and the wires. Pull th
e wires through the slit to the terminals leaving approximately 6" (150mm) of
slack and cut the wires to an equal length. Loca
te the spade connectors supplied with the amplifier
. Strip approximately 1/2" inch (12mm) of insulation from the end of
each
wire. Crimp the spade connectors onto the stripped
end of the wire. Loosen the terminal screws on the amplifier. Insert the wires into the proper termin
als and tighten the
screws securely. Check your connections by giving the wires a slight tug.
NOTE: Not all models have screw type conn
ectors. Other models use "Discrete Mount" connectors which
require bare wire installation (no con
nector needed).
CONNECTING THE WIRES
CONNECTING THE WIRES
LOAD
Please be aware of the m
inimum impedance you may apply to your particular model amplifier
. See chart below for mo
re information. Any lower impedanc
e than the minimum
can send the amplifier into curr
ent protection or poss
ibly damage the circuitry. To prevent damage, use the follo
wing formulas to help you figur
e out the load you are placing
on your amplifier. If you have any difficulties, please contact y
our local Crossfire dealer or Crossfire's Technical
Assistance at
(562)906-0800.
SPEAKER OUTPUT
SPEAKER OUTPUT
WIRING
Always choose speaker wire wisely. Make
sure that the wire
is appropriate for the spea
ker you are applying it to. It is hig
hly recommended not to use an
ything smaller than
16awg. Consult your dealer.
As with the power wires, use cau
tion around sharp corners or body part
s that may easily cut through the insulation on the wir
e. If running into the door
s, it is important to
use a protective boot in the door jam to
protect the wire from being pinched as well as k
eeping water or moisture from entering
the vehicle. Use the factory boots whenever
possible. And always make sure the wire is out
of the way of the window track.
To connect the wire to the spea
ker, strip off approximately 1/2" inch (12mm)
of the insulation and terminate
the wires using insulated speak
er terminals (not
supplied) or by
soldering the connection to the
loudspeaker. Be sure that the pola
rity at the loudspeaker is correct.
Series/Parallel
Wiring Dual Voice Coil
R
A
B
C
D
(A+B) x (C+D)
A + B + C + D
=R
Equation:
Series Wiring
A
B
R
Equation: A+B =R
Par
allel Wiring
A x B
A + B
=R
Equation:
A
B
R
(A x
B)(C x D)
(A+B)+(C+D)
Parallel Wiring, Dual Voice Coil
R
A
B
C
D
=R
Equation:
MODEL STEREO MONO MODEL STEREO MONO
VR142 2 Ohm 4 Ohm VR404 2 Ohm 4 Ohm
VR202 2 Ohm 4 Ohm VR804 2 Ohm 4 Ohm
VR302 2 Ohm 4 Ohm VR705D(F&R) 2 Ohm 4 Ohm
VR402 2 Ohm 4 Ohm (Sub) N/A 2 Ohm
VR602 2 Ohm 4 Ohm VR300D N/A 2 Ohm
VR1202 2 Ohm 4 Ohm VR600D N/A 1 Ohm
VR401 N/A 2 Ohm VR1000D N/A 1 Ohm
VR354 2 Ohm 4 Ohm VR2000D N/A 2 Ohm
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
4
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