Boss Audio Systems CLR-40 User manual

AUDIO SYSTEMS .-
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USER'S MANUAL
FeatygeS(
About Protection Circ
Amplifiers and 2
Power F@
Mounting the Amplifier
Low Input Wiring for Two and Four Channel Amplifiers 7
Two Channel Speaker Wiring 8 =.go
Bridged Speaker Wiring with a Two Channel Amplifier
Tri-Way Speaker Wiring with a Two Channel Amplifier
Four Channel Amplifier Speaker Wiring
Bridged Speaker Wiring with a Four Channel Amplifier
Dual Tri-Way Speaker Wiring with a Four Channel Amplifier
Low Input/4 Input-5 Channel Speaker Wiring for a Five Channel Amplifier
Low Input/5 Input-5 Channel Speaker Wiring for a Five Channel Amplifier
Precautions
Troubleshooting

nc nn your purchase ofa BOSS* Audio SW*~
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Congratulatio ...,
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amplifier. CLR amp! ...... ...... lrtufactund in th
USA to the highest level of quality, and will afford you years of listening
enjoyment.
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All CLR amplifiers utilize fully-regulated MOSFn power supplies, which ass
that switching response is extremely fast and output power is clean.
Thank you for making 8WQ Aud b Systems your choice for
, -
RMS Watts/Oi at 4 Ohms, a
.-
Channel 90d 5

Haavy ~)urj Aktrnlnbm Allay Wlnk
~RBOp~on
Wabk Low Pass Crossover
WaWtBass~'TrStrteBoostCaPltrPIs:
1 Cminwusly Wle Input Gdn bntd
m Cdd Plated RCA and Low Level High Impedance Inputs
Remw Tarn On/Tum Off Ctrarlt
. lrlOSFET Pulse Wldth kaodulaztd Power Supply
2~S~~~WtIl~~B;oswr~~
Safkfum4n CW?
1 Thermal and Spaker Shwt Protection CIrcultry
LEohwtrdR'orBethI~
Fhnalanndw#w&kam -
M-My Mo$e tanfiguratlon Capable
Class A4 ~I~M
~~'brndHlgh~~
Wdbk Eass Boast Control for Channel 5
hntlnwusb WWe Inpt
MWed RCA ad w MI HW a* tnputs
qmmmflDffmq -.
MOSFm~ulse Wkfrh lilbdulat&%mr%p& '
2 OhmStable Stem Operatlonw#~~~
SBftmmam
TkdmalwdSpeakkr5hwt~~~ '
Four Charnwl Erldgtable AmplIBar
I----
Heavy Outy Aiundmm Alloy kfslnk
'Clm A4 Operation
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,~hPasaG~~
r Wlabh Bass and lhbte 3mst Cmtlrdsfor Each Fair of Channels
Contbrlrotlstv Wle lnwt Gain Cml
nore Tun
hm
tmm

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All ClR +fietr ~WUR bilt-h
The 2 Channel amplifiers feature adjustable low,w+~wfl,~~, a,
variable +t S dB '119bte and +18 L sdss Boost;
The 4Chanml ampll8ar @aura an IndMduaMy &jW&k M pz&o
crossowrfwd~oF~ls,as~l~~+lS&T~and -
+18dB Bass
The 5 Channel amplifier has high pass aoscwers am Umels 14, ad
-
a low pass mswr with wl&bk iWi k&€ m'Chp~ms4 9.. The H@t
pass crossoven m whble 1 IW-1 ad &ejw ~tb~wver b
variabb 4Qwv&.c
m mover fiquacV
dable frwn 40Hz to 250Hr. Atl ~rowovc
When engaged, the crosswer Is in operati
channel amplifiers.
Input ovwh&w* dreumt, b2 sure to
All CLB amplih have been designed wlth 100% MOSFET PBW&~ supplies,
repair thessr-wdhhs Man -g
ensuring extremely quick switching wspwss and self-prstectlon.
tg,= #p@,~Wii@n.
Your CLR mpHfieP w&&~lgrwxI to operate efficiently at to& down to; l#W This mms tharyou cdn inftzhl twu
8 Ohm speakers pet chanh~l when &lag padM widr~g. I-g the number ofwookqperchanoftg!glow kequencb
(up to 1 00 Hz1 produws an acoustic coupling e#ba This acoustlc coupling hrcrww yqw wmut by 3 dl per
speaker, or the quWmtof an ad&@d FQW~~~r.
.- - -
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When operathy at 2 Ohms, th amplifies will kseast their output power by appmxfmatdy §tk, The current draw
will also by-abwt tk sw so be sure w R@# mo& aMeMto fun hmq&Wen lnto a 2 Ohm
loadIfwu~adBqttateur~~musk~~~b~~
--= 7h@nwnW
kvke,~~~mm&htipg
thk Input hd to m&/mum UH
to th ampIifiw, ad g~cssslve

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Use at least 8 gauge or IwWr wltS fol: pnwer
:gm1~~d W~~B&QIIS, .
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I Wire the arnplffler directly to the car Mew.
For the gmund conmction, use the sbwkst pohslbk v(n &amd.bkW&.pg&&
Wln the Remote connealon to the auto start Id of your equal- or pwr 'a~~~enrta,
-
Power fuses protect both the amplifier and the dearid system of your whkfe from fault
conc#tions, If you must dace the fuse h ywr CLB amplifier, use a fuse d ex&y the same
type and ratlng. A different type or ratlng of fuse may wsdt in damage or @re,
I##ltlag*-
Muk the I-ion for the mounting screw holes by pbsitbnimg the amplifier wh~you dsh
to install 10 and we a scribe (or one ofthe mounting m) htserted in each mouW4ng Me
to mark the mounting surface. If the mountlng surface is carpeted, measure the hole centers
and mark with a felt tip pen.
Drill ptbt Roles In the mountlng surface for the mounting screws and Insert the mounting
screws 1m0 the Mes. Tighten them securely.
~.vekImwhtch may be

wamnmd
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:I lko Channel Ampttflers:!
QR-40, CLR-M d QRB

Component Values
for 6dB Passive Crossover
MINIMUM IMPEDAR
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