Lanzar Car Audio SX7 User Manual

SX7  
e l e c t r o n i c  
c r o s s o v e r  
owner’s manual  
troubleshooting  
SX7  
electronic crossover  
If you experience....  
Check that:  
• Remote Turn-On wire has 12V  
Electronic crossover does  
not turn on.  
• 12V wire has 12V  
• Ground wire is properly connected  
• Wiring is not loose or cables  
misconnected/disconnected  
Level of sound is low.  
• RCA cables are not faulty  
• Wiring is not loose or cables  
misconnected/disconnected  
Background noise is  
too high.  
• RCA cables are not faulty  
precautions  
Enjoy your system, but use it wisely and safely!  
• Never drive with the volume raised so high you cannot hear what is occuring in traffic  
around you.  
• Be aware that repeated exposure to excessive volume levels can permanently damage  
your hearing!  
• Keep all electronics away from moisture, dust, extreme heat or extreme vibrations.  
• Lanzar Audio products are capable of sound pressure levels in excess of 150 dB.  
Continuous exposure to sound pressure levels over 100 dB may cause permanent  
loss of hearing. Use common sense and PRACTICE SAFE SOUND.  
9
system diSagXram7  
electronic crossover  
3-Way system application using the SX7  
Left and Right  
Line Outputs  
from Head Unit  
Head unit (Stereo, CD Player, Tape Deck, etc.)  
SUBWOOFER  
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.
MIDRANGE  
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HIGH RANGE  
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SX7  
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power  
phase  
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32  
400  
min  
32  
400  
min  
32  
400  
min  
freq.  
max  
max  
max  
freq  
freq.  
Gain  
Gain  
Gain  
Lanzar Vibe SX7 Electronic Crossover  
Left and Right  
Line Inputs  
Rear Panel  
OUTPUT  
MID  
+12 Rem Gnd  
LOW  
HIGH  
INPUT  
L
L
R
L
L
R
to Ground (Black)  
to Remote On  
(Orange)  
Fuse: 1A  
to +12v Battery  
(Red)  
MID CHANNEL  
Power Amplifier  
LOW CHANNEL  
Power Amplifier  
HIGH CHANNEL  
Power Amplifier  
+
+  
+
+  
+
+  
HIGH RANGE  
Speakers  
MID RANGE  
Speakers  
LOW RANGE  
Speakers  
8
owner’s manual  
contents  
SX7  
electronic crossover  
Congratulations  
Features  
2
2
Specifications  
3
Controls and Displays  
Operation  
4
5
Installation  
6
7
Wiring Directions  
System Diagram  
8
9
10  
Troubleshooting and Precautions  
Limited Warranty  
1
features  
SX7  
electronic crossover  
• 6 Channel Outputs (Sub, Mid, High)  
• Infinitely Adjustable Crossover Points  
• Sub, Mid and High Gain Controls  
• 2 Channel RCA Input Jacks  
• Subwoofer Phase Shift Adjustment  
• LED Power On Indicator  
Thank you for choosing  
Lanzar Audio, and  
congratulations on joining  
a select group of dedicated  
enthusiasts committed to  
the very best in mobile  
sound performance and  
dependability.  
• 12dB per Octave Slope  
• Fully Isolated DC-t0-DC Power Supply  
• Remote Power On/Off  
You are now the proud  
owner of one of the world’s  
most sophisticated  
• Half-DIN Size Cabinet  
electronics components.  
This Lanzar product is the  
result of an extensive  
engineering program with  
the sole purpose of creating  
the finest mobile audio  
experience imaginable.  
We’re confident that this  
product will provide you  
with many years of  
• Mounts In or Under Dash  
outstanding musical  
entertainment.  
2
owner’s manual  
wiring  
SX7  
electronic crossover  
Electronic connections  
Connect 12V DC from a constant battery source to a +12V slip-on spade terminal  
and install a one (1)amp fuse in line.  
1
2
3
Connect the SX7’s GROUND to a good chassis ground, near where the unit  
is mounted, or to the case of the head unit.  
Connect the SX7’s REMOTE TURN-ON lead to the remote turn-on lead of the  
head unit, and install a 1/2 amp fuse in line. (A relay should be used if turning  
on more than one component, such as EQ’s, crossovers or amplifiers.)  
Connect stereo RCA cables from the head unit’s left and right front outputs  
to the left and right inputs of the SX7.  
4
5
Connect stereo RCA cables from the left and right Low, Mid and High outputs  
of the SX7’s to the corresponding left and right inputs of your amplifiers.  
Turn the unit on, and adjust the input gain on the SX7 to match the output  
of the head unit (1/2, or at center position, is about 1 V). Be careful not to  
overdrive the input of your amplifier(s)or signal processor(s). Use clip  
detectors to adjust output.  
6
Adjust each of the 7 rotary equalizer controls +/- 12 dB to acheive the desired  
sound characteristics.  
7
7
installation  
SX7  
electronic crossover  
Installing your SX7 under the dash of your car  
Please take the time to install your new  
Lanzar Signal Processor securely, according  
to this diagram, using the hardware provided.  
4x 6 mm machine screw (4)  
Dashboard  
Mounting Bracket  
4 x 12 mm  
self-tapping screw (2)  
4 mm spring  
washer (2)  
4 mm plain  
washer (2)  
Signal Processor enclosure  
This Half-DIN size unit can also be installed in the  
dash adjacent to the head unit, provided that there  
is a slot available.  
6
owner’s manual  
specifications  
SX7  
electronic crossover  
Subwoofer Crossover Range  
Midrange Crossover Range  
High Pass Crossover Range  
32 Hz to 400 Hz  
32 Hz to 400 Hz  
640 Hz to 8 KHz  
Frequency Response  
20 Hz – 30 kHz  
Input Level  
(for 400 mV Output)  
400 mV  
< 0.01%  
Total Harmonic Distortion (THD)  
(at 400 mV Output)  
1.2 k-Ohm  
Output Impedance  
Signal-to-Noise Ratio (S/N)  
Separation  
90 dB  
60 dB  
250 mA Maximum  
10 – 16 V Neg. Ground  
Current Drain  
Power Supply Voltage  
Dimensions, W x D x H (mm)  
7.0 x 6.25 x 1  
(190 x 115 x 29 mm)  
3
controls  
SX7  
electronic crossover  
Front panel  
1
2
3
Power Switch  
Power Indicator LED  
Subwoofer Frequency  
and Gain Controls  
SUBWOOFER  
MIDRANGE  
HIGH RANGE  
SX7  
power  
phase  
32  
400  
min  
32  
400  
min  
640  
8K  
max  
max  
min  
max  
freq  
freq  
freq  
Gain  
Gain  
Gain  
4
5
Subwoofer Output Phase Switch  
Midrange Frequency and Gain Controls  
High Pass Frequency and Gain Controls  
6
Rear panel  
7
Input Connectors  
OUTPUT  
MID  
+12 Rem Gnd  
LOW  
HIGH  
INPUT  
L
R
L
R
L
R
L
R
8
Power Connections  
(+12V, Remote, Ground)  
9
10  
11  
Low Outputs  
Mid Outputs  
High Outputs  
4
owner’s manual  
operation  
SX7  
electronic crossover  
Control/Connector  
Function  
1
Used to turn power on and off to the SX7.  
Power Switch  
2
This LED is illuminated when the unit is  
properly powered, grounded and the remote  
power has been turned on.  
Power Indicator LED  
3
The frequency control adjusts the range of  
the signal delivered to the Sub channel. The  
gain control adjusts the level of that signal.  
Subwoofer Frequency  
and Gain Controls  
4
This is used to reverse the phase of the  
subwoofer channel to the other channels in  
the system for proper signal alignment.  
Subwoofer Output  
Phase Switch  
5
The frequency control adjusts the range of  
the signal delivered to the Mids channel. The  
gain control adjusts the level of that signal.  
Midrange Frequency  
and Gain Controls  
6
The frequency control adjusts the range of  
the signal delivered to the Highs channel The  
gain control adjusts the level of that signal.  
High Pass Frequency  
and Gain Controls  
7
RCA cables are used to connect the input  
signal from a head unit or other source.  
Input Connectors  
8
Connect to power source as follows:  
+12v: Connect a red wire of at least 12 gauge to  
the car battery or other power source.  
Power Connections  
(+12V, Remote, Ground)  
GROUND: Connect a black wire of at least 12 gauge  
to car chassis for ground connection.  
REMOTE: Connect an orange wire to remote  
activating (12V DC)wire of car stereo or other  
head unit.  
9
10  
11  
RCA cables are used to connect the low  
channel ouputs to the subwoofer amplifier  
inputs.  
Low Outputs  
Mid Outputs  
High Outputs  
RCA cables are used to connect the mid  
channel ouputs to the midrange amplifier  
inputs.  
RCA cables are used to connect the high  
channel ouputs to the high range amplifier  
inputs.  
5
warranty  
Limited Warranty Policy  
All Lanzar Signal Processors are carefully constructed and thoroughly  
tested before shipment. Units purchased in the USA are warranted  
to be free of defects in material and workmanship for three (3)years  
from the date of purchase. This warranty is limited to the original  
retail purchaser of the Signal Processor.  
Should the unit fail due to a factory defect in material or workmanship,  
your unit will be repaired or replaced at the sole discretion of Lanzar.  
To obtain warranty service, you must first call our Consumer Return  
Hotline number at (718)236-6948 to obtain a Return Authorization  
(RA)number. This RA Number must appear on the outside of your  
package and on all paperwork relating to your return.  
CAR AUDIO  
When returning the unit to us for warranty service, it must be  
carefully packed and shipped prepaid to:  
R.A. # ______________  
Lanzar Service Center  
1600 63rd Street  
Brooklyn, NY 11204  
You must also include the following items with your return:  
• A copy of your sales receipt or other proof of purchase  
• A brief letter indicating the problem you are experiencing with  
the product  
• Include in your letter your return address, daytime phone number  
and RA Number  
• Also include a check or money order for $15.00 for return shipping,  
handling and insurance, or provide your VISA/MasterCard  
number with expiration date.  
Quality  
Technology  
Performance  
Our obligation under this warranty is limited to the repair or  
replacement of the defective unit when it is returned to us prepaid.  
This warranty will be considered void if the unit was tampered with,  
improperly serviced, or subject to misuse, neglect or accidental  
damage.  
All implied warranties of merchantability and fitness for a particular  
purpose are limited in duration to the length of the warranty. Lanzar  
expressly disclaims any liability for incidental or consequential  
damages caused by product defects. This warranty does not cover  
any expense incurred in the removal and/or reinstallation of the  
Signal Processor. Lanzar’s total liability will not exceed the purchase  
price of the Signal Processor.  
Some states do not allow the exclusion or limitation of incidental or  
consequential damages, or limitations on how long an implied  
warranty lasts, so the above limitations and exclusions may not apply  
to you. This warranty gives you specific legal rights, and you may  
also have other rights which vary from state to state.  
Lanzar Audio Inc.  
1600 63rd Street, Brooklyn, NY 11204 (718) 236-6948  

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