Maxxsonics Stereo Amplifier MLX 100 User Manual

 
MAXX-LINK MLX-100 BRIDGING MODULE FEATURE DESCRIPTIONS  
END PANEL CONNECTIONS  
MASTER OUT / SLAVE IN: The Master Out sends master signal to another MLX-100.  
The Slave In receives a Master signal and all controls are bypassed on the unit.  
BR-1 REMOTE CONTROL: Using an Rj45 cable, the BR-1 Bass Remote Module plugs  
directly into the MLX-100 and allows you to adjust the Level from -20dB to 0 dB as well  
as Normal and Bypass operations.  
NORMAL: BR-1 is fully adjustable from -20dB to 0dB.  
BYBASS: BR-1 is set to 0dB fixed regardless of where the dial is set.  
LINE INPUT:Accepts unbalanced RCA inputs from 0.2 volts to 9 volts.  
LINE OUTPUT:The unbalanced RCA outputs are Left and Right Full Range outputs.  
BRIDGING OUTPUTS: A+/- through E+/- provide signal output to up to 10 linked mono  
block amplifiers.  
TOP MOUNT CONTROLS  
MASTER/ SLAVE MODE: Should be set in Master position when controlling amplifiers  
and Slave position when it is being controlled by another MLX-100.  
LOW PASS FILTER: The Low Pass Filter is fully adjustable from 35Hz to 250Hz at  
24dB per Octave.  
SYSTEM DIAGNOSTICS: The MLX-100 has built-in monitoring devices. The light  
turns RED when the signal is Clipped and Green when it is 9 volts.  
OUTPUT LEVEL: Fully adjustable signal output to amplifiers from 1 volt to 9 volts.  
TEST TONE: Selectable OFF/ON 65Hz Test Tone provides a constant tone for testing  
and tuning the output level on the amplifiers.  
SUBSONIC FILTER: The Subsonic Filter is fully adjustable from 15Hz to 35Hz at 24dB  
per Octave.  
INPUT LEVEL: The Input Level (gain) control allows you to match the MLX-100 input  
sensitivity to the Output Level of the source from 9 volts to 0.2 volts.  
PHASE: The Phase Shift is fully adjustable from 0 to 180 degrees.  
PARAMETRIC BASS EQ:  
BOOST: The Bass Boost is fully adjustable from 0dB to 10dB.  
BANDWIDTH: The Bandwidth is fully adjustable from narrow to wide.  
FREQUENCY: The Frequency is fully adjustable from 30Hz to 100Hz.  
1
 
MAXX-LINK MLX-100 BRIDGING MODULE  
5V  
ON  
SLAVE  
3V  
7V  
OFF  
MASTER  
35Hz  
250Hz  
1V  
9V  
15Hz  
35Hz  
TEST TONE  
65Hz  
RED - CLIP  
GREEN - 9V  
MODE  
LOW PASS  
FILTER  
OUTPUT  
LEVEL  
SUBSONIC  
FILTER  
24 dB/OCT  
24 dB/OCT MAXX-LINK  
MLX-100  
9V  
0.2V  
0
180  
0dB  
+10 dB  
30Hz  
100Hz  
INPUT  
LEVEL  
PHASE  
BOOST  
BANDWIDTH  
FREQUENCY  
PARAMETRIC BASS EQ  
BRIDGING OUTPUTS  
BR-1 REMOTE  
CONTROL  
A
B
C
D
E
MASTER OUT  
SLAVE IN  
LEFT  
INPUT  
RIGHT  
+
+
+
+
+
INPUT  
GND REM +12V  
- - - - -  
FULL RANGE  
CHASSIS GROUND  
BR-1 Remote Module  
NORMAL OPERATION: Allows use of variable  
LEVEL control.  
BYPASS OPERATION:Ouput is fixed at 0dB.  
By switching between NORMAL and BYPASS  
operation, you can create BURSTS of high to  
low audio output.ie: Burping  
-6dB  
REMOTE TURN-ON  
TO BATTERY + 12v VIA 1amp FUSE  
BYPASS  
RED - CLIP  
GREEN - 9V  
-20dB  
0dB  
NORMAL  
LEVEL  
 
MAXX-LINK MLX-100 BRIDGING MODULE APPLICATIONS  
Linking 2 MLX-100s using Master/Slave operations  
This application illustrates the method of linking 2 MLX-100’s using the Master/Slave features.  
1. Connect the full range RCA outputs from the headunit to the MLX-100 #1’s inputs.  
2. Connect a single RCA from MLX-100 #1’s MASTER OUT to MLX-100 #2’s SLAVE IN.  
3. Swicth MLX-100 #1 into MASTER MODE and MLX-100 #2 in SLAVE MODE.  
4. Adjust MLX-100 #2 as follows:  
- The LOW PASS FILTER should be turned to 250Hz.  
- The OUTPUT LEVEL should be turned to 1V.  
- The SUBSONIC FILTER should be turned to 15Hz.  
- The INPUT LEVEL should be at the 12 o’clock position.  
- The PHASE should be turned to 0.  
- The BOOST should be turned to 0dB.  
- The Bandwidth should be turned all the way to the right.  
- The FREQUENCY should be turned to 100Hz.  
5. Connect POWER, GROUND and REMOTE to each MLX-100.  
Now MLX-100 #1 controls MLX-100 #2 and you can run up to 10 linked pairs of amplifiers. Match all amplifiers as instructed  
in the future application instructions.  
MASTER  
5V  
SLAVE  
ON  
3V  
7V  
OFF  
MASTER  
35Hz  
250Hz  
1V  
9V  
15Hz  
35Hz  
TEST TONE  
65Hz  
RED - CLIP  
GREEN - 9V  
MODE  
LOW PASS  
FILTER  
OUTPUT  
LEVEL  
SUBSONIC  
FILTER  
24 dB/OCT  
24 dB/OCT MAXX-LINK#1  
MLX-100  
0.9V  
0.2V  
0
180  
0dB  
+10 dB  
30Hz  
100Hz  
INPUT  
LEVEL  
PHASE  
BOOST  
BANDWIDTH  
FREQUENCY  
PARAMETRIC BASS EQ  
Signal From Source Unit  
(RADIO/CD PLAYER)  
-6dB  
SLAVE  
BYPASS  
NORMAL  
RED  
GREEN  
-
CLIP  
9V  
-
-20dB  
0dB  
LEVEL  
5V  
SLAVE  
ON  
3V  
7V  
OFF  
MASTER  
35Hz  
250Hz  
1V  
9V  
15Hz  
35Hz  
TEST TONE  
65Hz  
RED - CLIP  
GREEN - 9V  
MODE  
LOW PASS  
FILTER  
OUTPUT  
LEVEL  
SUBSONIC  
FILTER  
24 dB/OCT  
24 dB/OCT MAXX-LINK  
#2  
MLX-100  
0.9V  
0.2V  
0
180  
0dB  
+10 dB  
30Hz  
100Hz  
INPUT  
LEVEL  
PHASE  
BOOST  
BANDWIDTH  
FREQUENCY  
PARAMETRIC BASS EQ  
 
3
MAXX-LINK MLX-100 BRIDGING MODULE APPLICATIONS  
Mono bridging 2 standard mono amplifiers with no Master/Slave feature to a single subwoofer  
This application illustrates the method of linking 2 Mono amplifiers to a single subwoofer.  
1. Connect the full range RCA outputs from the headunit to the MLX-100 inputs.  
2. Connect the RCA’s from the MLX-100 (A+ and A-) BRIDGING OUTPUTS to the amplifier INPUTS as shown.  
3. The amplifier settings need to be adjusted as follows:  
- The LOW PASS FILTER should be turned towards the highest frequency. (EXAMPLE: LOW PASS range = 35Hz to 250Hz, adjust to 250Hz)  
- The SUBSONIC FILTER should be turned towards the lowest frequency. (EXAMPLE: SUBSONIC range = 15Hz to 35Hz, adjust to 35Hz)  
- The PHASE should be at 0.  
- The BASS BOOST/BASS EQ should be at 0dB.  
- The LEVEL(gain) control should be turned to the 12 o’clock position.  
4. The INPUT LEVEL control on the MLX-100 should be set to match the output signal voltage from your headunit.  
5. The MLX-100 LOW PASS FILTER, SUBSONIC FILTER and PARAMETRIC BASS EQ settings should be adjusted for desired listening.  
6. The MODE switch should be in the MASTER position.  
7. The OUTPUT LEVEL should be at 1 Volt.  
At this point you are ready to balance the speaker output from your amplifiers. For this procedure you will need a Digital Voltmeter.  
- Switch the MLX-100 TEST TONE switch to the ON position.  
- Adjust your Voltmeter so that it is measuring VoltsAC.  
- Connect the positive Voltmeter lead to the (+)POSITIVE SPEAKER TERMINAL on amplifier #1.  
- Connect the negative Voltmeter lead to the (-)NEGATIVE SPEAKER TERMINALon amplifier #1.  
- Turn the audio system on, turn the volume all the way down, and ensure that there is no audio CD in your CD player.  
- Start off with the input LEVEL(gain) settings of the 2 amplifiers at top dead center, or the 12 o’clock positions.  
- While measuring the Voltage AC on amplifier #1, continue adjusting level control until you measure anywhere from 4-6 Volts.At that point, write down the  
voltage on a piece of paper.  
-Connect the voltmeter to the speaker terminals of amplifier #2.  
- Now adjust the input gain control of amplifier #2 for the same voltmeter reading as you had noted down .  
8. Once the amplifiers have matching output voltages, you should turn the 65Hz TEST TONE to the OFF position.  
9. Connect the speaker + terminal to the POSITIVE SPEAKER TERMINAL of amplifier #1.  
Connect the speaker - terminal to the POSITIVE SPEAKER TERMINAL of amplifier #2.  
Connect a wire link between the NEGATIVE SPEAKER TERMINALS of the two amplifiers.  
10. Use the OUTPUT LEVEL adjustment to obtain the desired audio level.  
11. The steps outlined in #8 may have to be repeated if you cannot get full power out of the amplifiers, in which case, start off with their input gain controls set for higher gain.  
Note: Up to 10 amplifiers can be connected in this manner,  
by also using MLX-100 outputs B thru E.  
 
MAXX-LINK MLX-100 BRIDGING MODULE APPLICATIONS  
Mono bridging 2 standard mono amplifiers with no Master/Slave feature to a single subwoofer  
Mono Block Amplifiers  
INPUT  
-6dB  
BYPASS  
Speaker Terminals  
RED  
GREEN  
-
CLIP  
9V  
-
-20dB  
0dB  
NORMAL  
LEVEL  
#1  
5V  
ON  
SLAVE  
3V  
7V  
OFF  
MASTER  
MODE  
35Hz  
250Hz  
1V  
9V  
15Hz  
35Hz  
TEST TONE  
65Hz  
RED  
GREEN  
-
CLIP  
9V  
LOW PASS  
FILTER  
24  
OUTPUT  
LEVEL  
SUBSONIC  
FILTER  
24 dB/OCT  
-
dB/OCT MAXX-LINK  
MLX-100  
INPUT  
0.9V  
INPUT  
LEVEL  
0.2V  
0
180  
0dB  
+10 dB  
30Hz  
FREQUENCY  
PARAMETRIC BASS EQ  
100Hz  
PHASE  
BOOST  
BANDWIDTH  
Signal From Source Unit  
(RADIO/CD PLAYER)  
#2  
12ga.  
Wire link  
Speaker Terminals  
 
MAXX-LINK MLX-100BRIDGING MODULE APPLICATIONS  
Mono bridging 4 standard amplifiers with no Master/Slave feature to 2 subwoofers  
This application illustrates the method of linking 4 Mono amplifiers to 2 subwoofers.  
1. Connect the full range RCA outputs from the headunit to the MLX-100 inputs.  
2. Connect the RCA’s from the MLX-100 (A+ and A-) BRIDGING OUTPUTS to amplifiers 3 & 4 INPUTS as shown. Repeat this process for amplifiers 1 & 2 through B+ and -.  
3. The amplifier settings need to be adjusted as follows:  
- The LOW PASS FILTER should be turned towards the highest frequency. (EXAMPLE: LOW PASS range = 35Hz to 250Hz, adjust to 250Hz)  
- The SUBSONIC FILTER should be turned towards the lowest frequency. (EXAMPLE: SUBSONIC range = 15Hz to 35Hz, adjust to 35Hz)  
- The PHASE should be at 0.  
- The BASS BOOST/BASS EQ should be at 0dB.  
- The LEVEL(gain) control should be turned to the 12 o’clock.  
4. The INPUT LEVEL control on the MLX-100 should be set to match the output signal voltage from your headunit.  
5. The MLX-100 LOW PASS FILTER, SUBSONIC FILTER and PARAMETRIC BASS EQ settings should be adjusted for desired listening.  
6. The MODE switch should be in the MASTER position.  
7. The OUTPUT LEVEL should be at 1Volt.  
At this point you are ready to balance the speaker output from your amplifiers. For this procedure you will need a Digital Voltmeter.  
- Switch the MLX-100 TEST TONE switch to the ON position.  
- Adjust your Voltmeter so that it is measuring VoltsAC.  
- Connect the positive Voltmeter lead to the (+)POSITIVE SPEAKER TERMINAL on amplifier #1.  
- Connect the negative Voltmeter lead to the (-)NEGATIVE SPEAKER TERMINALon amplifier #1.  
- Turn the audio system on, turn the volume all the way down, and ensure that there is no audio CD in your CD player.  
- Start off with the input LEVEL(gain) settings of the 4 amplifiers at top dead center, or the 12 o’clock position.  
- While measuring the Voltage AC on amplifier #1, continue adjusting the headunit until you measure anywhere from 4-6 Volts.At that point, write down the  
voltage on a piece of paper.  
- Connect the voltmeter to the speaker terminals of amplifier #2, then #3 and finally #4.  
- Now adjust the input gain control of amplifiers #2 through #4 for the same voltmeter reading as you had noted down from amplifier #1.  
8. Once the amplifiers have matching output voltages, you should turn the 65Hz TEST TONE to the OFF position.  
9. Connect the speaker + terminal from subwoofer #1 to the POSITIVE SPEAKER TERMINAL of amplifier #1.  
Connect the speaker - terminal from subwoofer #1 to the POSITIVE SPEAKER TERMINAL of amplifier #2.  
Connect a wire link between the NEGATIVE SPEAKER TERMINALS of the two amplifiers.  
-Repeat this process for subwoofer #2 and amplifiers #3 and #4.  
10. Use the OUTPUT LEVEL adjustment to obtain the desired audio level.  
11. The steps outlined in #8 may have to be repeated if you cannot get full power out of the amplifiers, in which case, start off with their input gain controls set for higher gain.  
 
MAXX-LINK MLX-100 BRIDGING MODULE APPLICATIONS  
Mono bridging 4 standard amplifiers with no  
Master/Slave feature to 2 subwoofers  
Mono Block Amplifiers  
INPUT  
Speaker Terminals  
#1  
#2  
#3  
#4  
-6dB  
BYPASS  
#1  
RED  
GREEN  
-
CLIP  
9V  
-
-20dB  
0dB  
INPUT  
INPUT  
INPUT  
NORMAL  
LEVEL  
12ga.  
Wire link  
5V  
ON  
SLAVE  
3V  
7V  
OFF  
MASTER  
MODE  
35Hz  
250Hz  
1V  
9V  
15Hz  
35Hz  
TEST TONE  
65Hz  
RED  
-
CLIP  
9V  
LOW PASS  
FILTER  
24  
OUTPUT  
LEVEL  
SUBSONIC  
FILTER  
24 dB/OCT  
GREEN  
-
dB/OCT MAXX-LINK  
MLX-100  
0.9V  
INPUT  
LEVEL  
0.2V  
0
180  
0dB  
+10 dB  
30Hz  
FREQUENCY  
PARAMETRIC BASS EQ  
100Hz  
PHASE  
BOOST  
BANDWIDTH  
Signal From Source Unit  
(RADIO/CD PLAYER)  
#2  
12ga.  
Wire link  
Speaker Terminals  
 
TROUBLESHOOTING A SYSTEM  
Thekeytoofindinggtheproobbleminattroubleddsoundsyystemisstoisolattepartsoofthatsyystemin aalogicallfashionntottrraacckkddoowwnntthheeffaauulltt..  
DescriptionofttheDiiagnossticssystemmbuiltinttootheMLX-1100Maaxx-LiinkBrridginngModule:  
1. ClipppingIndiicator::RRedIllumminationnwhensiggnaliscclipped.  
2. Normal OOperaation::GreenIllluminatioonn, whennsignnalisuncllippedup tto9voolts.  
The diagnostic system will not shut down the MLX-100 or the amplifier(s), although the amplifier(s) own protection circuitry may shut the  
amplifier(s)downshould a fault status occur. Atwhichtimeyouwillneedtoconsulttheownersmanual for that particular amplifier.  
Lowoutputpower  
1- Checkthatlevelcontrols have been set up properly.  
2- Makesurethatthe battery voltage, as measured attheamplifier’sandMLX-100’s+12voltandground terminals, is 11 volts or more.  
3- Checkall +12volt andground connections.  
Fusesblowing  
1- Insurethatthevoltageto the unit does not exceed15volts.  
2- Ashortonthemain +12 volt cable from the batterytothevehiclechassiswillcausethemainfuse to blow.  
3- IftheMLX-100isblowing fuses continually withonly+12volt, groundandremoteleadsconnected, the unit may be faulty.  
Systemdoesnotturn on  
1- Checkall fuses.  
2- Checkall connections.  
3 - Measure the +12 volt and remote turn on voltages at the amplifier and MLX-100 terminals. If these are non existent or low, take  
voltagemeasurementsatfuseholders, distributionblocks, theheadunit’s+12voltandremoteleadstolocalizetheproblem.  
Noiseproblems  
Systemnoisecanbedividedintotwocategories, hiss, andelectricalinterference.  
Hiss, orwhitenoise  
1 - High levels of white noise usually occur when level controls are turned up too high - readjust according to the procedures in the  
appropriateapplication section.  
2 - Another major problem that can cause excessive hiss, is a noisy head unit - unplug the MLX-100 input RCA cables, and if the hiss level  
reduces, thesourceunitis at fault.  
Electricalinterference  
The inside of an automobile is a very hostile electrical environment. The multitude of electrical systems, such as the ignition system,  
alternator, fuel pumps, air conditioners, to mention just a few, create radiated electrical fields, as well as noise on the +12 volt supply and  
ground. Remember to isolate the problem - first unplug MLX-100 input RCA cables, if the noise is still present, check the speaker leads, if  
not, plugtheRCA’sback, andinvestigate the sourcedrivingtheMLX-100, onecomponentatatime.  
Atickiingor wwhinetthat cchhangesswithh eengineeRPM:  
1 -Thisproblemcould becausedby radiation pickupofRCAcablesthataretooclosetoafuelpumpora distributor.  
2 -Checkthatthehead unit ground is connected straighttothevehiclechassis, anddoesnotusefactory wiring for ground.  
3 - Try to supply the head unit with a clean +12 volt supply directly from the battery +, instead of using a supply from the in dash  
wiring/fusebox.  
Aconstanntwhine:  
Thistype oofnoise ccanbemorredifficuulttopinnpoint, bbutisusuuallycauussedbysomeekindofiinstabillity, caauusingosccillatioonsintheessyysstteemm..  
1-Checckallcoonnecttiions, esspecialllyfor ggoodgrrounds.  
2-Makkesurreethatnnospeeakerlleadssareshortiingtooexpoossedmettalonntheveehicllechassis.  
3-RCAcaablesarreenotoriiousfor ttheirprroblemaatticnatuure, sochheeckthattthesearregood,, inpartiicularttheshieelldconneections.  
8
 
MAXX-LINK  
MLX-100  
Maxxsonics Limited Warranty  
As the manufacturer of Maxxsonics, Crunch, MB Quart and Hifonics car audio products,  
Maxxsonics USA Inc. Warrants to the original consumer purchaser the amplifier to be free  
from defects in material and workmanship for one (1) Year from date of purchase.  
All other parts and accessories of the system are warrantied to be free from defects in  
material and workmanship for one (1) year from date of purchase. Maxxsonics will  
repair or replace at it’s option and free of charge during the warranty period, any system  
component that proves defective in materials and workmanship under normal installation,  
use and service provided that the product is returned to the authorized Maxxsonics dealer  
from where it was purchased. A photo copy of the original receipt must accompany the  
product being returned.  
Valid purchase receipts will contain the name and address of the authorized reseller.  
Any damage to the product as a result of misuse, abuse, accident, incorrect wiring,  
improper installation, alteration of date code or bar code labels, revolution, natural  
disaster, or any sneaky stuff because someone messed up, repair or alteration out side  
of our factory or authorized service centers and any thing else you have done that you  
should not have done is not covered.  
This warranty is limited to defective parts and specifically excludes any incidental  
or consequential damages connected therewith. This warranty is not to be construed  
as an insurance policy.  
Warranty on installation labor, removal, re-installation and freight charges are not the  
responsibility of Maxxsonics USA Inc.  
Warranty products damaged as a result of insufficient or improper packing materials  
are not covered by this limited warranty and such damaged product will be returned  
“as is” at the expense of the owner.  
9
 
 

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