Bassworx BA1200.1D, BA800.1D, BA75.4, BA500.1D, BA75.2 User Manual

INSTRUCTION MANUAL

MODEL :

BA150.1
BA75.2
BA150.2
BA75.4
BA500.1D
BA800.1D
BA1200.1D

STEREO/MONO BRIDGEABLE

HIGH POWER CAR AMPLIFIER

PLEASE READ THIS MANUAL BEFORE INSTALLATION AND USING AMPLIFIER

Congratulations on your Purchase

Your n ew high f ide lity br idgeable /ster eo am plifi er is design ed to del iver maxim um enjo yme nt and on e
year of t roubl e fre e servi ce. Please t ake a few m ome nts to re ad this manu al thor oughly.
It will e xplai n the f eatur es and opera tion of y our u nit and h elp insure t roubl e free insta llati on.

Features

CLASS ''A B''

¡ Class ' 'AB'' Techno log y MOSFE T PWM

Power S upply.

¡ Bridg eable & TRI- Mod e Opera tion.
¡ Conti nuous ly Var iab le 12dB /Octave

High Pa ss & 12dB /Oc tave Lo w Pass
Cross over.

¡ Subwo ofer Variab le Cr ossov er for Deep

Bass Co ntrol .

¡ Enhan ced Variabl e Bas s Boost

+12dB @ 5 0Hz.

¡ Soft St art & Muting .
¡ Overl oad, Therm al, S hort Ci rcuit Prot ectio n.
¡ Power & P rotec tio n indic ator.

CLASS ''D ''

¡ Fully 1 O hm Stab le Op erati on
¡ Milit ary Spe c Audi ophil e Grade Comp onent s
¡ High Effic iency P WM Po wer Sup ply

- Multi -stra nde d Power Torroi d

- Two Torr oidial Cor e

- MOSFE T Tran sisto rs

¡ Over Si zed Cap aci tor Ban ks
¡ Discr ete Mou nt Po wer & Spe aker Terminals
¡ Varible Low pass El ect ronic C rossover
¡ Varible Sub sonic F ilt er
¡ 3way Pr otect ion C ircui try
¡ Soft Re mote On /of f Cir cuitr y
¡ Digit al Subw oof er Leve l Control

Precautions: Read First!

- If afte r readi ng th e direc tion you fee l uncom for table a bout insta lling t he amplifi er in you r car, o r not

equip ped or co mpe tent to d o so, you shou ld have t he amplifi er install ed by an au thorized i nstal ler.
It's yo ur car!

- Negat ive bat ter y termi nal must be di sconn ect ed befo re any elect rical c onnectio n are mad e.

- Be sure c hoose a l oca tion th at provide s subst ant ial ven tilation f or the am plifier. The mos t prefe rre d

locat ions wo uld b e in your c ar's trunk , under t he fr ont sea ts or on the bac k wall of a t ruck.

- The locati on chos en should pr ovide a t lea st 2" of cl earance ab ove the a mpl ifier f or adequat e

venti latio n.

- If the am plifi er is t o be moun ted vertic ally be s ure t hat it is i n a place wher e adequ ate air will f low

along t he leng th of i ts heat sink fins fo r cooli ng.

- NEVER m ount th e amp lifie r up side down , this wi ll ca use the h eat to rise ba ck into t he amplifi er

causi ng ther mal s hutdo wn or possib le perm anent dama ge.

- NEVER m ount th e amp lifie r in a locatio n that is s ubj ect to di rect sunli ght or ex posed to moi sture .

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Precautions: Read First!

- Be sure t o mount t he am plifi er to a strong , solid s urf ace whi ch will not gi ve way un der the stre ss of a

sudde n stop or a cci dent.

- Make su re that t he mo untin g screws wil l not pen etr ate the g as tank, bra ke and fu el lines, wi ring or

other c ritic al pa rts of yo ur car when in stall ed.

-N EVER op erate the am plifi er wi thout t he proper po wer and g round wire 1 0 gauge m ini mum.

- NEVER o perat e the a mplif ier withou t prope r fus ing. Fu se holder mu st be loc ated with in 0 .5 mete rs

from th e batte ry. This fu se is to prote ct the car not t he elec tronics. I n case of a s hor t, the fu se will
blow in stead o f the w ire bur ning up. Usi ng othe r than the rec ommended f use rat ings at the ba ttery
and at th e ampli fie r may cau se damage to t he ampl ifi er and wi ll void your w arran ty.

- Do not ru n wirin g und ernea th or outsid e the car s ince expos ure to the ele ments m ay cause the

insul ation t o det erior ate rapidl y, res ultin g in short-c ircui ts an d/or in termitte nt oper ati on.
All cab les sho uld b e run ben eath carpe ts and in side trim pi eces.

- To help minimi ze inte rference , it is best to ru n the pow er cables al ong the o ppo site si de from the

audio c ables .

- Whene ver wir es pa ss thro ugh metal, r ubber o r pla stic gr ommets mus t be used t o prevent th e menta l

from we aring t hro ugh the i nstallat ion and c ausing a sho rt.

- Whene ver pos sib le, use c able ties, m ounti ng cl amps an d similar wi ring ai ds. (avail able fr om an
elect rical s upp ly or aut o parts stor e) Addin g str ess rel ief loops to w iring i s also advis able to p rev ent
strai ning or b rea kage.

- It is bes t to test the sy stem be fore the amp lifie r is mo unted a nd interio r of car is r eas sembl ed.

- If the te mpera tur e insid e your car rea ches ex tre me leve ls(such as s ittin g locked up fo r several ho urs

in the ho t sun or ex pos ed to a ver y cold winte r's day )th e ampli fier may go in to prot ection mod e and
shut off. Le ave the u nit o ff until the a mbien t tem perat ure return s to norm al.

- The amplif ier ope rates with a ny vehicle u sing a 12 v olt negati ve grou nd sy stem. I f you are not su re of

the typ e of elec tri cal sys tem in your ve hicle , con sult yo ur authori zed dea ler or quali fied me cha nic.

- NEVER g round t he sp eaker l eads and NEV ER allo w the speake r leads to com e in cont act whit eac h

other. S peake r wir e shoul d be 18 gauge or l arger.

- Remot e turn on w ire m ust be sw itched by th e radio d oes n ot have a r emote turn o n or ante nna output ,

conne ct to wir e tha t has a pos itive 12 vol ts when t he ke y is turn ed to the acce ssory.
If the am plifi er do es not tu rn off the batter y will di e.

- Do not li sten to h igh v olume s for extend ed peri ods o f time or h earing dam age may o ccur.

CO NTI NO US EX POS UR E TO SO UND P RE SSU RE LE VE LS OV ER 10 0d B

MAY CA USE P ER MAN ENT H EA RIN G LOSS. H IGH P OW ERE D AUTO SO UND
SY STE M MAY PR ODU CE SO UN D PRE SSURE L EVE LS W ELL O VER
13 0dB . US E COM MON S EN SE AND PRA CTI CE S AFE S OUN D.

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Installation

MOUNT ING:

1. After r eadin g pre cauti on, decide w here yo u are going to i nstall the u nit. Als o, see Fig.1 .

2. Once t he loca tio n has bee n determin ed, pla ce th e ampli fier in posi tion. U sing a felt ti p pen or pe nci l
mark th e four ho les t o be dril led for moun ting. N EVE R use the a mplifier a s a templ ate for dril ling.
It is ver y easy to d ama ge the am plifier su rface i n man ner.

3. Remo ve ampl ifi er. Dril l four 3.5 m/m . Diame ter h oles in to mountin g surfa ce on steel pa nel.
If you wa nt moun tin g the MDF o r wood panel , drill f our 3 .0m/m d iameter ho les int o mounting s urfac e.

4. If pos sible , tes t the sys tem operat ing bef ore f inal mo unting of th e ampli fier.

5. Moun t the amp lif ier usi ng the suppl ied 4 sel f thr eadin g screws.

Installation Diagram

SELF TAP SCREWS

Fig1.

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Input Connections

This am plifi er wi ll acce pt low level i nputs . Low l evel is t he same as lin e level o r preempt le vel.
Low lev el sign al is c arrie d through RC A cables . It is prefer red to use low l evel in puts to the am plifi er if
the hea d unit is e qui pped wi th the low lev el outp uts.

Low lev el/li ne in put-c onnect RCA ca bles fr om head unit , or other sig nal pro cessor, to th e line le vel
input o n the amp lif ier. See F ig.2 syste m wirin g dia grams .

Power Connections

It is imp ortan t to ha ve good q uality pow er and gr oun d conne ctions. Re membe r, to complet e an
elect rical c irc uit, th e ground con necti on is j ust as im portant as t he posi tive power c onnec tio n. Befo re
any pow er conn ect ions ar e made, disc onnec t the g round c able at the ba ttery.

When th e power s upp ly lead . Memory bac kup lea d or ground le ad are ex ten ded, us e a 5mm (AW G5)
or larg er auto mot ive gra de cable whi ch will w ithstand f riction an d heat to s afe guard ag ainst f ire s
occur ring as a r esu lt of sho rt-circu iting .

Groun d-Con nec t the pro per gauge gr ound wi re to the ampl ifier "GND " termi nal. Locat e the pos iti on
on the ch assis o f the c ar to whi ch the ampli fier is t o be gr ound. The su rface m ust b e free fr om any
paint o r dir. This can b e accompli shed wi th a sm all gri nding bit or w ire whe el. N OTE: Do n ot ground
ampli fier to t he "f rame" o f the car, the fr ame on mo st ca rs and tr ucks is not gr ounde d to the chass is
(body ). Sold er or c lamp ri ng termina l to grou nd wi re. Pre trial the pr epped c hassis met al to bol t the
groun d ring te rmi nal wit h nut, bolt an d lock wa shers. Ins ulate ment al and co nnector wi th pain t or
silic on to pre ven t rust an d oxidatio n. Sili con a lso wor ks great to pr event n uts and bolt s from wo rki ng
loose i n a harsh e nvi ronme nt of an autom obile . Upon compl etion of gro und con nection, g rab wir e or
conne ctor an d con firm th at it is a solid c onnec tio n. To prevent en gine no ise , it is rec ommended t o
groun d the hea d uni t and oth er audio ele ctron ics in the sam e location .

Remot e Turn-o n-C onnec t smaller li ght gau ge wire to "RE MOTE" term inal of a mplifier a nd to rem ote /
anten na turn -on o utput o r "remote am plifi er" o f head un it. If head un it is not e quipped wi th a remo te/
anten na outp ut, l ocate a w ire that is co ntrol led b y the acc essory pos ition o f the key. It is impor tant to
have th e ampli fie r turn off wit h the radio or k ey. If t he ampl ifier rema ins on, t he re sult wi ll most like ly
be a dead b atter y.

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Posit ive-C onn ect the p roper size w ire to th e amp lifie r "B+" termi nal of am plifier. Ru n wire to w ard s the
fuse ho lder th at is n o great er then 0.5 me ters fr om th e batte ry. Re member, the f use is to p rotect the
safet y of the ca r in th e case of a s hort. Conn ect fus e hol der to ba ttery, however, d o not ins tall fuse at
this ti me.

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