Kenwood KAC-M846 User's Manual
Contents
1. RCA cabl Speaker level i i h i A ASARRE What might appear to be a malfunction in your unit may just be the result of slight misoperation or miswiring E Lea 9 or pea er EVE input connection E 4 ch anne system AFA ER n Z i Khi SE ZALE Before calling service first check the following table for possible problems E RCA HAR Ame FANE E 4 AKRA Front left speaker Pb Hg Cd Cr VI PBB PBDE HEARS PROBLEM POSSIBLE CAUSE SOLUTION RCA cable connections i 72RCA Wi Rate x O O X O O No sound Input or output cables are disconnected Connect the input or output cables Center unit Front right speaker No sound from one Protection circuit may be activated Check connections by referring to Center unit CD receiver etc Fibs 9 HEARS HEH x O O x O O side lt Protection function gt HbS CD RKN Blown fuse Volume is too high Replace the fuse and use lower volume Rear left k Hh MHE x O O x O O The speaker cord is shorted After check the speaker cord and fixing the m ae Qchru Ten ESLIEE er cause of the short replace the fuse lt RCA cable Ah mo ED 5 O RRASA RURE AY ROA A SVs SJ 711363 2006 EME RSE KY The output level istoo The input sensitivity adjusting controlis e Adjust the control correct2. ENR WROD ATHENS RAEM BE FEE RRA JL FRA TZ Fh RR PA TEE AA AAR Shee M NCEE JT BNF aN FE ikea ths wae MASHLZEACC ON iL LEA ANTE on ALIS RPE E AL WERD T ROL Za A FA FLL HE tRIPLABE HEDA PIAA POP HE Ba DRAPE TT LAP AS ALLA Bet FH i ANS SET HE EIA BPRS Sb SEE PRP DAEAR FTE NADA TBC Koa ts PE HFE ae DY o Paral A HH Be HA o emer Ai DC CER tS ARISE TAH aie EH AY WE WE WE me BE Connection i E HA HSC 2 RE He WSR ALIEN BE EZ EW ARE ASHLEY Fa ALTE mei GALILEE UR SPCR RA IR RIAL ERA SAT ITA BIFX FET E E a Ben 22 S Bio Arar PERT UB GEWE o SRD SS AR ERRAR A FZR eS 4 EH FERIE EE E LI BO WRB ATE TUDE aH a S SAR be E B TBH TBAT A BIETER E ER Rn 22 List ii i E jA HER ETE AE at WRA K HEPA AHS WH FH ASmm AWG 10 gt LAIRA H ARERR YT PO a 19 SAILS PR Bon 22 Ae EAT Ko HE AE UE AR RTIA ae E ALA A PERE ae BLT 2 Wak EE fay OLR ET WY RA 4 Rue CHEE BUFERI FUL SEA FELL ZA SK JIO BINET aay MEEI YE all i KARKE ERI ny NS BIE DS EK T AR iE I HT VF Be Kea SH D RN E WT AE Sara ae S Fee AM Fae lt H gt AMD
3. A WARNING Particular attention must be given to making good electrical contact at the amplifier output and speaker terminals Poor or loose connections can cause sparking or burning at the terminals because of the very high power that the amplifier can deliver A CAUTION If sound is not output normally immediately turn power off and check connections Be sure to turn the power off before changing the setting of any switch If the fuse blows check wires for shorts then replace the fuse with one of the same rating Check that no unconnected wires or connectors are touching the car body Do not remove caps from unconnected wires or connectors to prevent short circuits Connect the speaker wires to appropriate speaker connectors separately Sharing the negative wire of the speaker or grounding speaker wires to the metal body of the car can cause this unit to fail After installation check that the brake lamps turn signal lamps and windshield wipers work properly AS BREDIE BB BA ie FO A EL A AA PE ie ty AEA F F G E TERM o HH OK aie Be RHEA AWIR MEAR BS AER REET Sb TFE KHE EMIR o Ata WREEF AS TEAS RE E EA EE E o EREA GIS ERY WA FEUD E o E EAA RRO LER AAMER D ZA REETA ARERR S EAR RER RRB CRAP SETTER DAD PFERDE EEEE H e HAF BIN RA RKA AR TENTEN MA FRA APL TE RREZJA
4. Specifications subject to change without notice Audio section Max POWEF OULDUb eccscssssentestneuennunneneen 720 W 180 W x 4 Low pass filter frequency 18 dB oct B channel Rated power output B 144V eeensttnnttnsttnnenneensetnsennennennetnnennnenetnet 50 Hz 200 Hz variable Normal 4 O 60 W x 4 20 Hz 20 kHz lt 1 0 THD High pass filter frequency 12 dB oct A channe 80 Hz Normal 2 O 90W x 4 1 kHz lt 1 0 THD Bridged 4 Q 180W x 2 1 kHz lt 1 0 THD General Speaker impedance Operating voltage 40 80 Bridged Current CONSUMPTION eeessssssssseuetuesetaeiasienusnastnesaeiaeee 35A POWER IN m BRIDGED SPEAKER OUTPUT FUSE 25A FUSE 25A BATT l LEFT O O RIGHT 330 X 55 X 215mm ie 2 6 kg Frequency response 0 3 dB Sensitivity RCA ignal to noise ratio Input impedance Fu TER Ach Fil eR JF OFF JiPF y Q 8 A LEVEL INPUT MIN 5 0 2 MAX MIN 5 0 2 MAXI T SENSITMITY V 5Hz 50kHz Dimensions W x H x D EA LIF IFREQUE ICY Hz NiS DETER BIRTA 4D EE bre 0a asiiseeeseisrieserserserseessne
5. If it s connected to the vehicle s wiring harness it can cause blown fuses etc Ifa buzzing noise is heard from the speakers when the engine is running connect a line noise filter optional to each of the battery wire Do not allow the wire to directly contact the edge of the iron plate by using Grommets Connect the ground wire to a metal part of the car chassis that acts as an electrical ground passing electricity to the battery s negative terminal Do not turn the power on if the ground wire is not connected Be sure to install a protective fuse in the power cord near the battery The protective fuse should be the same capacity as the unit s fuse capacity or somewhat larger For the power cord and ground use a vehicle type fireproof power wring cord Use a power wiring cord with the range of 5 mm AWG 10 or more When more than one power amplifier are going to be used use a power supply wiring wire and protective fuse of greater current handling capacity than the total maximum current drawn by each amplifier E Speaker Selection The rated input power of the speakers that are going to be connected should be greater than the maximum output power in Watts of the amplifier Use of speakers having input power ratings that are less than the output power of the amplifier will cause smoke to be emitted as well as damage The impedance of the speakers that are going to be connected should be 20 or greater f
6. i OFF 4H tE deve TERE EXER 30 X 55 X 215 mm Fuse 25 A x 2 When multiple speakers are to be lt Specifications gt in the instruction JI FEE IE ERA ETE EA E A ESE BEE AUEAG HEATED AEE HR a ee a SA x iit N k 5 nore connected ensure that the combined manual of the center unit WE SEES AA KR AY pr gt AA ae ate Ieee aaae cde 10 KQ impedance is 4Q or greater POWER IN BATT 3th a N If you can t find the specified capacity FILTER switch B ch COLINE IN termirial alae Sai i D FILTER eld FX A ch m fuse at your store etc consult your This switch allow filtering of the speaker SP LEVEL INPUT terminal GND 248 imf EF KT te Pe IAA AL di Kenwood dealer o tputsignals Te aui ear craen ear ae renka P CON EFRA F HPF MBERE fE 2 Halae Ay 30 gt ny gt Ate 5 v ys 2 Battery terminal POWER IN LPF Low Pass Filter position AVE a Maxmur POWET OUND CONDO Phill ALA ea KA Aik Dee Faker 80 Hz tte e LP p more than 40 W i fF 80 Hz n AVE AA BATT he filter outputs the band of lower Power indicator i lt OFF 0 tE Ground terminal GND His eer tanine Uaioe setwith When the power is turned on the SMAHU MAUGER UCAS FE AEAEE MHR Power control terminal P CON lt OFF position Power indicator lights Bee PIKE Controls the unit ON OFF The be bandwidth soimi without SPEAKER OUTPUT ARH mf LPF FREQUENCY RiBjEIRSRE 4 Hee P A ch B ch 1 B ch LE 2 Mering TA
7. 720 W 180 WX 4 MEEWERK 18 dB oct BRIE HUEI R GB 14 4V 50 Hz 200 Hz aya INPUT SENSITIVITY control A ch AMAMKARRT 26H EAA TE 4k ORREZ Pe ie oe SU RE See E 2 2 TA This is a 4 channel amplifier including Bridged Connections 2 stereo amplifiers in a body One When you wish to use the unit as a high B ch WAR HOSMABZH GMRA th VHT IF FUR AT AE RSH 2 Q G kHz lt 1 0 THD _90Ww xX 4 PULUEDC A STUBBLE 12 dBloct AP IE sesesesstene OU Hz amplifier is referred to as amplifier A output amplifier bridged connections Set this control according to the A A AWRAB WTAE A FILTER GEHE FFX Bich RHE 4 Q C1 kHz lt 1 0 THD 180 WX 2 and the other is amplifier B This unit are used Make connections to the LEFT pre output level of the center unit DARE FF ADR ER SRE KAFET jl Vea ris BE Ag B S fae EOLA eRe ins 20 80 is compatible with a large variety of channel and the RIGHT channel connected with this unit RB lt LPF CRSBIEIESS AE ee Pena TOS Q BRR Ziq systems by combining the switches SPEAKER OUTPUT terminals OERZ 25 A x 2 rive 5 z 7 j t HBE 14 4 V F11 16 V and functions described in the The speakers to be connected should S l ia T LPF PREQUENGY Hfl e G0 3 dB ssessssesssssesseeeeee til 5 Hz 50 kHz o 1 35 A following have an impedance of 4 or greater For the pre output level refer to the
8. EIS eee ce Controls the unit power Be sure to FILTER switch A ch ae ere te ar R a connect it with all the systems oe switch allow Hern of the speaker ais Ha EAHA NSE ATR WKAR O INPUT SENSITIVITY AARE Ae AS Pa ean Fe 2 fi A ch B ch f ret 7 ae NY BLU ML 2 We wet ARTE GAS OK aE ET PE AL i E ie fir PERE Ws aT CL ELE Ad V5 ASH NLL o Speaker output terminals A ch output signals B ch HPF High Pass Filter position eS e Stereo Connections When you wish to use the unit as a stereo amplifier stereo connections are used The speakers to be connected should have an impedance of 20 or greater When multiple speakers are to be connected ensure that the combined impedance is 20 or greater for each channel Only frequencies of 80 Hz or higher are output Frequencies below 80 Hz are cut OFF position The entire bandwidth is output without filtering 8 LPF FREQUENCY control B ch This control adjusts the frequency band output from this unit BUG meee SRA MDT AK Fae 2 KRAB o iE FRERET KT oi RNO Ni BA LY k AHB 4 A EARLE AS STII AE RBW I TAYER E QGEJZLEFTE O LINE IN 44A imf A ch B ch E RIGHT KSPEAKER ORBEA UT RIT AE CREST PRPS SAA f Ve Het RIOM PVI 4 KIB F 40 ee jo MENAIRE WAI ist
9. FER MRA Bar ERREGE Q HBP sites MAREE APR aan ike WBA dil Rane RE 3 EDICT in mo 0 2 MAX Ro 0 2 MAX HBA 2 AA AMET Rif ET S bendw v J JEMY TETERE HJ Sm vale lt Black Genuine accessory car stereo EA No line output center unit etc FAAITE 2S gahats B E 2 channel Subwoofer system M2 A RRA 2 D a included Left speaker high pass Center unit Aas SiR Pie Right speaker high pass Ga ED ay NEN af om aS eS ABER SiS S 2A os 2 Eg os EO n IF GcHFILTER cHFILTER g M EAS Han LPF OFF HPF Subwoofer Bridged pai AE a AO BUREAR SHE FREQUENCY Hz sengiintty vi sengiintty vi gT i IMIN 5 0 2 MAX MIN 5 0 2 MAX rrequtNoy rz sendy 1v J NOTE Cable color of the connector Ai AME Do not connect cables and leads to both RCA cable 2 1 input jacks and the speaker level input terminals GE rae simultaneously for this may cause malfunction or White H gt IEI Achannel Left Aiit A damage Gray R A R G A channel Right Afi Ai AA Green 244 B L B channel Left Bruit Z ffi A A Te AS EAN AN RS RCA KARAN TKH Purples fa B R B channel Right B Afi A FARMA mT DU KERRIE KHI Black f gt GND Beith Controls 2 l Specifications
10. KENWOOD KAC M846 4 3 2 CHANNEL POWER AMPLIFIER INSTRUCTION MANUAL 4 3 2 FIRMA 1E Ft BAB Kenwood Corporation 2010 Kenwood Corporation All Rights Reserved Installation 3 Safety precautions A WARNING To prevent injury or fire take the following precautions Mounting and wiring this product requires skills and experience For safety s sake leave the mounting and wiring work to professionals When extending the ignition battery or ground wires make sure to use automotive grade wires or other wires with the range of 5 mm AWG 10 or more to prevent wire deterioration and damage to the wire coating To prevent a short circuit never put or leave any metallic objects such as coins or metal tools inside the unit If the unit starts to emit smoke or strange smells turn off the power immediately and consult your Kenwood dealer Do not touch the unit during use because the surface of the unit becomes hot and may cause burns if touched A CAUTION To prevent damage to the machine take the following precautions Be sure the unit is connected to a 12V DC power supply with a negative ground connection Do not open the top or bottom covers of the unit Do not install the unit in a spot exposed to direct sunlight or excessive heat or humidity Also avoid places with too much dust or the possibility of water splashing When replacing a fuse only use a new one with the prescribed r
11. WREEPEWAET JERI ETE EE WARNING Remove the ignition key and disconnect the negative terminal of the battery to prevent short circuits A F KA Tee ROM ARR o Power wire and Speaker wire connection E BR AG ee AER A WARNING To prevent fire ca connect a fusible battery s positive terminal Battery Ground wire Bridged 42 A Bai feu S Re Aeh TORSE ER NIEME e gt i o s TE TEAR Bor 22 Be T LA o BRIDGED SPEAKER OUTPUT LEFT O RIGHT LB e 2 B ch i Center unit CD receiver etc HORE CD RRINE Power control wire Fe UR a il y lt 1 POWER IN BATT FUSE 25A FUSE 25A GND Poco a S Lead terminal SIH ta Stereo T E Left A ch sdh t A ch Right A Battery wire Eet gt Protective fuse RIP RR B ch Left Ez N B ch Right A used by a short in the wiring link or breaker nearby the r Connection j System examples AZ At AKB Frtast SVAN ANAanRae Troubleshooting guide
12. ating Using a fuse with the wrong rating may cause your unit to malfunction To prevent a short circuit when replacing a fuse first disconnect the wiring harness Ifyou experience problems during installation consult your Kenwood dealer Ifthe unit does not seem to be working right consult your Kenwood dealer Cleaning the unit If the front panel gets dirty turn off the power and wipe the panel with a dry silicon cloth or soft cloth A CAUTION Do not wipe the panel with a hard cloth or a cloth dampened by volatile solvents such as paint thinner and alcohol They can scratch the surface of the panel and or cause the indicator letters to peel off To prevent battery rise When the unit is used in the ACC ON position without turning the engine ON it depletes the battery Use it after starting the engine B64 4790 00 00 MV VV Protection function The protection function is activated in the following situations This unit is equipped with a protection function for protecting this unit and your speakers from various accidents or problems that can occur When the protection function is triggered the power indicator goes off and the amplifier stops operating When a speaker wire may be short circuited When a speaker output contacts ground When the unit malfunctions and a DC signal is sent to the speaker output E Wiring Take the battery wire for this unit directly from the battery
13. ly referring to Power control wire RCA Yee i 150 Ja a k oe Rear right speaker Po E 2 S z PREN z small or too large not set to the correct position lt Controls gt BEREM gt AO B z 6 o i EEEE Z X RRZASAS ORELEZRANR HAARAA SJ T11363 2006 EMEN IS The sound quality is The speakers wire are connected with Connect them properly checking the B C lt 7 200 mnie Ozma ans Batman EX bad wrong C O polarity of the terminals and wires well IE JE FREQUENCY Hz SENSITIVITY V is di A speaker wire is pinche a screw in Connect the speaker wire again so that it is L ENC The sound is distorted peak pinched by he speak g h N 1 he car body not pinched by anything ZiR PRTRHAF JAE BAMHI RnR rmn reaS The switches may be set improperly Set switches properly by referring to pusep ruseesy ear GND con Emre ma 109 BP BRR AHN ann PAB Ae Pie a ERENER lt System examples gt ee D e IN RIP BARE FIERE OBER CRUE BABE E High po per p e system best a ui i E KU 2 BEAK TH EE GRBDSE SAAR HTRAN PETRA RANE MMEP OE aN E Rar 1S 6 lt _ Wh VI Q j Left t speaker ARRUASMEHRR HLEA ERRARE EERAEZH BERTRAM Center unit A Bridged TR A ch B ch AORE Aims i WR RA HERAT IE ARS HA CRH MARRE ERMA tifi Hiko Speaker level input connections i ARRE FHA EEE a Ridhtspedker RIEDET ARI RET EWE lt BH AMIDE T ERER of LPF OFF _HPF Bridged WIK WER R MUNE E o i To chassis GND m HIER HE E E LZ OL HAD
14. ntact with it ZEIT EIR E KT DA BB SEERNE TES When making a hole under a seat inside the trunk or somewhere else in the vehicle check that there is nothing hazardous on the opposite side such as a gasoline tank brake pipe or wiring harness and be careful not to cause scratches or other damage Do not install near bag safety parts he dashboard rear tray or air The installation to the vehicle should securely fasten the unit to a place in which it will not obstruct driving If the unit comes off due to a shock and hits a person or safety part it may cause injury or an accident After installing the unit check to make sure that electrical equipment such as the brake lamps turn signal lamps and windshield wipers operate normally REiFBSM ATESSAR AFTI REN GRT ih AEE TRT BE E ERNA ON TRE E WRA A SE CAS EE BAK Elo HEC WS AeA RSR EE A Seat 5mm AWG 10 MEWE DABS EFRA AFLG HTO EEKEREN HERET IK H gt WIKER m EN THE H A A en WMRAEI IF REA DEGELAS EEA PTS ALAS See ERI AIR EEH P REAM A ta ATMILRERERE WAS TIRRAN ERRER 16 FA lt GDA ee Hw 12V Er at AAA EA TH TRAUEN ah F o PEA KREE TENG reall rend KE AE KIRKI AIRE IS TT o Eak EREA EHR AS MAER AEA E R E G ral Fa SOT ARSE EH W BLUR TEE ITEM i KRH RME WERAK WER ARERR IER WAEA
15. or stereo connections or 4Q or greater for bridged connections When more than one set of speakers are going to be used calculate the combined impedance of the speakers and then connect suitable speakers to the amplifier lt Example gt Combined impedance E Accessories Pitt n gt Self tapping screws 4x16mm HIRET 4 S eo Speaker level input cable 4 Fa 77 tt fii A 330 mm 216mm 94 6 BEEBE wu goZ ww Siz p 216 mm Parts included m l DE Se Installation board etc thickness 15 mm or more RRB BE AF 15mm Installation procedure BRED Since there are large variety of settings and RREPERI WAEA LERA EE connections possible according to applications ETT CHE SS FA SE BA E E read the instruction manual well to select the EMRE proper setting and connection 1 POM IAM TLIO AD 1 Remove the ignition key and disconnect the TH negative terminal of the battery to prevent 2 HUGH AIK SERPE et short circuits 3 EASLEY HT A IT H SEZ o 2 Set the unit according to the intended usage A ERER o 3 Connect the input and output wires of
16. the 5 ERER LURES WAR AAT UL units UY 4 Connect the speaker wires 6 TASB ZEEE BE 5 Connect the power wire power control wire T BRRL and grounding wire following this order 8 he IHN ARO 6 Install the installation fittings in the unit 7 Attach the unit 8 Connect the negative terminal of the A its battery PISTE BL Ee CREER Wit Bh ES OE REN A CAUTION TE AREER WL SAWE SAG A WME AARAA E Do not install in the below locations ADAG AE EE ESV REP TI BAAS Unstable location In a location that interferes BARE EUR with driving In a location that gets wet In a EREEREER D ZO dusty location In a place that gets hot In a place HRR WER EWE s hat gets direct sunlight In a location that gets HEER HARA AAAA MAE hit by hot air RAZEN WRH RHA Do not install the unit under the carpet Aa fik RAH TT o Otherwise heat build up occurs and the unit EER FERRER BE TE TFL pi may be damaged MURA MARES ZERO a nstall this unit in a location which allows heat to H AUZE AY BAR EE THRI easily dissipate i NIX LET iho Once installed do not place any object on top ANAS ZEEE BRE AML FETS EC HC a A Bos HE of the unit FEZ E The surface temperature of the amplifier will KAHLER EE IY ARERR ANS become hot during use Install the amplifier in a XY Ee WRAY ah cb ie AAS LB place where people resins and other substances E RACER BE BRS SBE EH that are sensitive to heat will not come into ERRELE MMU ie LOMA co
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