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SP EC IFICATIONS
25-400Hz
500-8KHz
25-400Hz
25-400Hz
18 dB per Octave 3rd Order Butter w ort h
12 dB per Octave 2nd Order Butter w ort h
Single Octave 0 dB to 18 dB [variable] at 45H z
20K Ohms
100 Ohms
1:2 [+6 dB]
5 volts max
14.4 volts DC negative ground
Power source:
0.5 amp max
Input current:
0.01% TH D at 1 V ou tpu t lev el
Distortion:
10Hz -30Hz -3 dB
Frequency response:
>95 dB
S/N radio [A weighted]:
60 dB
Separation:
Crossover frequencies
[continuously variable]:
Front High-pass:
Rear High-pass:
Subwoofer:
Crossover slope rate:
Low-Pass
:
High-Pass:
Subwoofer boost:
Input impedance:
Output impedance:
Output gain:
Output voltage level:
Dimensions:
FEATURE S AND S PEC IFI CATIONS SUBJECT TO C HAN GE AN D/O R IMP ROV EME NT WI THO UT NO TIC E
[X1]:
[X20]:
5.5 W x 7.5 L x 1. 75 H
[143mm W x 193. 6mm L x 4 3.6 mm H]
FEATURES
EXCLUSIVE INFINIT E CRO SSO VER D ESI GN
ASYMMETRICAL ELEC TRO NIC C ROS SOV ER DE SIG N
DC/DC REGULATED S WIT CHI NG PO WER S UPP LY
Thi s power s upply d esign p rovid es cons tant vo ltage t o the cro ssove r regar dles s of the b att ery' s
vol tage to e nsure c onsis tent ou tput pe rform ance at a ll time s. This d esign a lso eli mina tes sw itc hing
noi se due to v oltag e fluct uatio n.
FREQUENCY MULTI PLI ER
The f ront hi gh-pa ss sect ion is eq uippe d with a fr equen cy mult iplie r switc h that ca n be used t o
mul tiply t he cros sove
r Fre quenc y point s. With t he addi tiona l selec table c rosso ver poi nts, sy stem
set ting be comes a n art of pr ecisi on.
PARA LLE L INPUT SWI TCH
For a s ourc e unit ha ving a si ngle pa ir of sig nal out puts, a n adapt er is nee ded to sp lit the s ourc e
sig nal for t he fron t and rea r input s. Wit h the mo bile el ectro nic cro ssove r, by en gagin g the par allel
inp ut feat ure, an e xtern al adap ter is no l onger n ecess ary.
FRONT /R EAR I NPU TS WI TH
FRONT /R EAR / SUB WOO FER O UTP UTS
The m obile e lectr onic cr ossov er feat ures fr ont and r ear pre amp inp uts wit h front a nd rear o utput s, as
wel l as cons tant su bwoof er outp ut that i s indep enden t of the fr ont/r ear fad er posi tion on t he sour ce
uni t.
BASS BOOST CI RCU ITR Y WITH Q UAS I-PA RAM ETR IC EQ UAL IZATION
A seal ed encl osure c auses a w oofer 's freq uency r espon se to ro ll off a t a rate o f 12 dB per o ctave
bel ow the en closu re's re sonan t frequ ency.
Our B ass Boo st Circ uitry w ith Qua si-Pa ramet ric Equ aliza tion pr ovide s a singl e octav e boos t of
12 dB a t 45 Hz to en sure sm ooth an d accur ate bas s respo nse.
ADJUSTABLE O UTP UT LE VEL ST ERE O/M ONO S UBW OOF ER GO LD PL ATED RCA
CONNECTOR S
-1- -2-
CONTROL S, INDI CATO RS AN D TERMI NALS
1.P OWER IN PUT TER MINA L [RE D]
To be con necte d to the po sitiv e termi nal of yo ur vehi cle bat tery or o ther co nstan t +12V so urce.
2
.RE MOTE TU RN-O N INPUT T ERMI NAL [OR ANGE ]
To be con necte d to the re mote co ntrol w ire or an tenna l ead of th e sourc e unit fo r remot e ON/OF F.
3
.GR OUND IN PUT TER MINA L [BL ACK ]
To be wir ed to the v ehicl e's cha ssis gr ound.
4
.PO WER IND ICATOR
Thi s indic ator li ghts up w hen the i ntern al swit ching p ower su pply is a ctiva ted and t he uni t is ope rat iona l.
5
.LE FT/RI GHT FRO NT CHA NNEL SIG NAL INP UTS
To be con necte d to the fr ont cha nnel ou tput of t he sour ce unit .
6
.PAR ALLE L IN PUT SW ITCH
"IN ": When t he para llel in put is at t he "IN" p ositi on, the i nput si gnals c oming i n throu gh the fr ont cha nnel
sig nal inp uts are s plit an d direc ted to th e front a nd rear c hanne ls simu ltane ously. [ This fe ature i s to be
eng aged wh ere the s ource u nit has n o separ ate fro nt, rea r or subw oofer c hanne l outpu ts.]
“ ":I f the sou rce uni t has ind epend ent fro nt and re ar chan nel out puts, d iseng age the p arall el inp ut by O
UT
sli ding th e switc h to the "O UT" pos ition .
CONTROL S, INDI CATO RS AN D TERMI NALS
7.L EFT/R IGHT RE AR CHA NNEL SI GNAL I NPUT S
To be con necte d to the re ar chan nel out put of th e sourc e unit, B UT MAKE S URE TH AT THE PA RALL EL
INP UT SWIT CH IS AT THE "O UT" POS ITION .
8
.LE FT/RI GHT MIX ED IN/ OUT TER MINA LS
A
s inp ut Ter mina l: To be c onne cted to t he subw oofer o utput o f the sou rce uni t.
A
s out put Termi nal : To be c onne cted to t he fron t chann el inpu t termi nal of an other e lectr onic cr oss-o ver
in a mu lti-c rosso ver sys tem.
9
.FR ONT CHA NNEL H IGH- PAS S FREQ UENCY S ELE CTOR
For s elect ion of fr ont cha nnel hi gh-pa ss cros sover f reque ncy bet ween 2 5Hz an d 400Hz [ or 500H z and
8KH z when it s frequ ency mu ltipl ier is "
X20 " posit ion].
1
0.R EAR CHA NNEL HI GH-PA SS FRE QUENC Y SE LECT OR
For s elect ion of re ar chan nel hig h-pas s cross over fr equen cy betw een 25 Hz and 4 00Hz.
1
1.F RONT CH ANN EL HIGH -PASS FR EQU ENCY M ULTIP LIE R
Pos ition ing thi s switc h at the "X 20" po siti on chan ges the r ange of s elect able cr ossov er freq uenc y for th e
fro nt chan nel hig h-pas s from 25 Hz-40 0Hz to 50 0Hz-8 KHz.
12. S
UBW OOFE R FREQU ENCY SE LECTO R
For s elec tion of t he low- pass cr ossov er freq uency f or the su bwoo fer ch annel b etwee n 25Hz an d 400Hz .
13. B
AS S-SH APER B OOST S WITCH
Whe n activ ated, t his cir cuit pr ovide s a singl e octav e boost o f 18dB at 4 5Hz to eq ualiz e the woo fer
enc losur e.
14. P
HAS E INVER TER
Pos itio ning th e switc h to the 18 0 posit ion shi fts the s ubwoo fer out puts si gnal s 180 de grees
"ou t -of"
pha se rela tive to t he fron t and rea r outpu t signa ls.
15. S
UBW OOFE R STERE O/ MONO S WITCH
For s elec tion of s tereo o r mono mo de subw oofer o utput .
16. F
RON T CHANN EL OUTP UT LEVE L CONTR OL
For a djus ting th e front c hanne l outpu t signa l level .
17. L
EF T/RI GHT FRO NT CHAN NEL OUT PUT TER MINAL S
To be con necte d to the fr ont cha nnel am plifi er left / right i nputs .
18. R
EAR C HANNE L OUTPU T LEVEL C ONTRO L
For a djus ting th e rear ch annel o utput s ignal l evel.
19. L
EF T /RIG HT REAR C HANNE L OUTPU T TERMI NALS
To be con necte d to the re ar chan nel amp lifie r left /r ight in puts.
20. SUBWO OFE R OUTP UT LEVE L CONTR OL
For a djus ting th e subwo ofer ch annel o utput s ignal l evel.
21. LEFT / RIGH T SUBWO OFE R OUTP UT TERM INALS
To be con necte d to the su bwoof er chan nel amp lifie r left /r ight in puts.
22. SUBWO OFE R OUTP UT LEVE L REMOT E CONTR OL TERM INAL
To be con necte d to remo te cont rol for e xclus ive man euver o f the sub woofe r outpu t level , and the
sub woofe r outpu t level c ontro l on the un it (24" a bove) i s by-pa ssed.
AN D YOU R MOBIL E AUD IO SYST EM
LEFT RIGHT
A
B
FRON T
POWE R AMPLIF IER
A
REAR
POWE R AMPLIF IER
SUBW OOFER
POWE R AMPLIF IER-B RIDGE O MONO
MOBI LE ELEC TRONI C CROSS OVER
A
SPEA KER CON NECTI ONS
FOR US E IN MONO M ODE
RIGHT
RIGHT
LEFT
LEFT
A
B
FRON T
OUTP UT
Figure 2: F our-C hannel "B i-Amp " System( Stere o Front /Rear)
••••••••••••••••••
-3- -4-
AN D YOU R MOBIL E AUD IO SYST EM
LEFT RIGHT
POWE R
AMPLI FIER
A
REAR
POWE R AMPLIF IER
SUBW OOFER
POWE R AMPLIF IER-B RIDGE O MONO
MOBI LE ELEC TRONI C CROSS OVER
A
SPEA KER CON NECTI ONS
FOR US E IN MONO M ODE
RIGHT
RIGHT
LEFT
LEFT
A
B
FRON T
OUTP UT
Figur e 3: Two-C hanne l “Tr i-Amp " System
A
B
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-5- -6-
INSTAL LATI ON
Cr osso ver Te rmi nal
Connec ted To
Term ina l
Left/R igh t Fro nt In put s
Left/R igh t Rea r Inp uts
Left/R igh t Mix ed IN /OU T (as i npu t)
Left/R igh t Mix ed IN /OU T (as o utput)
Left/R igh t Fro nt Ou tpu ts
Left/R igh t Rea r Out put s
Left/R igh t Sub woo fer O utp uts
Power In put Ter min al (B +)
Ground I npu t Termi nal ( GND )
Remote Tu rn- On In put Ter min al
Source U nit
Source U nit
Source U nit
Anothe r Com pat ibl e Ele ctr oni c Cro sso ver
Front Amp lif ier
Rear Ampl ifi er
Subwoo fer Am pli fie r
Batter y
Vehicle C has sis
Source U nit
Front Pr e-a mp Ou put s
Rear Pre -am p Oup uts
Subwoo fer P re- am
p Ouputs
Front In put s
Left/R igh t Inp uts
Left/R igh t Inp uts
Left/R igh t Inp uts
Positi ve Term ina l
Bare Met al Sp ot
Remove Control Wire or Power Antennal Lead
-8-
TROUBL E SHO OTI NG GU IDE
A.No power
1.Che ck al l the ground, B+ and remote terminals for tight connection.
2.Che ck al l fuses.
3.Use a Vo lt/Ohm meter to check all power wire connected to see if the system is rec eiv ing
+12 V.
B. "Motorboating" : The mo bil e ele ctr oni c cro sso ver p owe r ind ica tor g oin g off r epe ate dly
when the audio system is on.
1.Che ck if the mobile electronic crossover B+ power input is connected
directly to the +12V po wer s our ce.
2.Che ck the battery voltage: if low, recharge or replace it.
3.Che ck if the mobile electronic crossover has a good ground conn ect ion ( i.e . Whe the r the
ground wire is making good contact with a b are m eta l spo t of th e veh icl e cha ssi s).
C
.Th e mob ile e lec tro nic c ros sov er he ats u p qui ckl y eve n whe n the a udi o sys tem i s at
moderate volume.
1.C hec k all g rou nd co nne cti ons o f the e nti re sy ste m for g ood c ont act w ith b are m eta l
2.C hec k for s pea ker s hor t: Di sco nne ct sp eak er wi re fr om am pli fie r, tes t spe ake r and
wire with a Volt/Oh m met er. if t her e is sp eak er an d met er co nta ct, s igh tly e nla rge
the speaker mounting holes, if the re is a s hor t in th e spe ake r wir ing , rep lac e the
entire speaker wire or re-insula te an y exp ose d wir e wit h ele ctr ica l tap e.
D.When the engines is running, the a udi o sys tem h as a wh ini ng no ise t hat r ema ins
unchanged or disappears with the increase of audio volume.
1.Check all the power wires to see if they are all connected di rec tly t o the b att ery.
2.Check all the ground connections of the entir e sys tem f or go od co nta ct wi th ba re me tal o f
the vehicle chassis.
3.Check if the source unit and the mobile electro nic c ros sov er ar e gro und a t the s ame
reference point.
E.When the engine is running, the au dio s yst em ha s a whi nin g noi se th at in cre ase s or
decreases with th
e volume of all program sources (whether rad io, t ape o r CD) .
1.Install a 10 amp in-line filter on t he re d pow er wi re of t he mo bil e ele ctr oni c cro sso ver.
2.If the whining noise persists, chec k the a lte rna tor d iod es an d the v olt age r egu lat or.
F. When the engine is running. The au dio s yst em ha s a whi nin g noi se th at in cre ase s or
decreases with the tape mode volume ONLY.
1.This is commonly known as "ra dia ted " noi se. I t is NO T cau sed b y the m obi le el ect ron ic
crossover and thus is beyond the scope of this manu al. P lea se co nta ct yo ur lo cal
retailer / installer for a ssi sta nce .
G.Obvious dis
tortion at low volume.
1.Output level of var iou s cha nne ls no t com pat ibl e, re fer t o sec tio n tit led
FINAL SY STE M CHE CK.
H
.Ov er al l sou nd ef fec t goo d, bu t bas s abn orm al (m ore b ass a t the t wo ex tre me se tti ngs
of the balance control than at th e cen ter s ett ing ).
1.The subwoofers are "out-o f-p has s" wi th ea ch ot her, t hus c anc eli ng th e bas s whe n
the balance control is at the center positio n. Ch eck t he wi rin g fro m the a mpl ifi er to t he
subwoofers (positive "+" an d neg ati ve "- " to ne gat ive " -" ).
A
. Pre-Setting
1.Preset front, rear and subwoofer am pli fie r inp ut ga in to h alf o f the ir ma xim um.
2.Preset the crossover frequencies and output Le vel s as fo llo ws.
Bi-Amp System
Front Frequency Selector: 160H z
Frequency Multiplier: X 1
Rear Frequency Selector: 16 0Hz
Subwoofer Frequency Selector : 160 Hz
Front Output Level: 10 o' cl ock p osi tio n
Rear Output Level: 10 o ' clo ck po sit ion
Subwoofer Output Le vel : 12 o' c loc k pos iti on
Tri-Amp System
Front Frequency Selector: 200H z
Frequency Multiplier: X 20
Rear Frequency Selector: 12 0Hz
Subwoofer Frequency Se
lector: 120 Hz
Front Output Level: 10 o' cl ock p osi tio n
Rear Output Level: 10 o ' clo ck po sit ion
Subwoofer Output Le vel : 12 o' c loc k pos iti on
3.P res et th e vol ume o f the s our ce un ite t o its m ini mum ( oth erw ise , whe n the s our ce
unit is turned on, the sudden surge of high p owe r fro m the a mpl ifi er mi ght c aus e
damage to the audio components).
B
. Turn the source uni t on an d slo wly t urn t he vo lum e up:
No Sound At Al l
1.Turn t he sy ste m off im med iat ely.
2.Check if connections are made properly (refer to s ubs ect ion t itl ed
CONNECTION for d eta ils ).
3.Use a Volt /Ohm meter to m ake s ure g ood c has sis g rou nd es tab lis hed f or ea ch
Component that needs to be grounded.
4.Check if the power input of all system co mpo nen ts ar e pro per ly co nne cte d to
12 volt positive power Supply.
5.Check if the remote on/off te rmi nal o f all s yst em co mpo nen ts ar e pro per ly
connected to positive 12 volt sour ce.
6 If everything is order, turn the p owe r on ag ain , If th e pro ble m per sis ts, r efe r to .
section titled TROU BLE S HOO TIN G GUI DE fo r ass ist anc e.
Obvious Distortion
Turn the system off a nd re fer t o sec tio n tit led T ROU BLE S HOOTING GUIDE for assistance.
Out-of-Phase Problem (i.e . Abno rma l Bas s)
Turn the system off a nd re fer t o sec tio n tit led T ROU BLE S HOOTING GUIDE for assistance.
C
. NOISE CHECK
Before mounting the mobile electron ic cr oss ove r and o the r aud io co mpo nen ts
permanently, co ndu ct th e fol low ing c hec k:
1.Start the engine and turn on power of the s our ce un it.
2.Rev the engine and vary the audio volume to check for ra dia ted e ngi ne no ise . If th ere
is an alternator whining noise or tic-tic no ise , ref er to t he TR OUB LE SH OOT ING G UID E
for assistance. If the problem persists, c ons ult y our l oca l dea ler d ire ctl y.
3.If no unwanted noise is detec ted , dou ble c hec k all t he wi rin g and c abl es fo r saf e
placement. The n sec ure ly ti ght en th e mou nti ng sc rew s of al l the a
udio components.
FINAL SYSTEM C HE CK
-7-
65- C1131- MA
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