Kenwood KAC-8102D Stereo Amplifier User Manual
Contents
1. ND A Bl IN 4 English Remote controller Controls 5 o Remote controller AS A KAC 9152D KAC 8152D only e efe KENWOOD OE a en y ee a olo olo Se a De gt g pons iogar F AT Sl pp gem gt KAC 9152D 8152D e S e vr a 7 A il il by o D i ome le KENWOOD 0 0 freon sabi Subwoofer I iij Power Amplifier 5 8 MINJS 0 2 MAX I 0 0 KAC 9102D 8102D a GND _ econ N SPEAKER OUTPUT e oS aa Olu o FUSE 40A 1 FUSE S0Ax2 A pofan O RAA E EEG MB 0 00 NOTE The control panel locates under the front side cover Remove the cover to access to its controls for adjustment See page 3 Fuse KAC 9152D 9102D 30 A x 2 KAC 8152D 8102D 40 A x 1 NOTE If you can t find the specified capacity fuse at your store etc consult your Kenwood dealer Battery terminal Ground terminal Power control terminal Controls the unit ON OFF NOTE Controls the unit power Be sure to connect it with all the sy2. o Ey AN TA not remove caps from unconnected wires or El AA do apena connectors to prevent short circuits W SL Connect the speaker wires to appropriate o moa 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 Speaker level input Connections winkers and wipers work properly AN AREA NOTE ma Genuine accessory car L Do not connect cables and leads to both RCA Ee as a Ep cable input jacks and the speaker level input i f terminals simultaneously for this may cause E Right malfunction or damage Right input SS Car fuse box HE eee no ACC y 6 Battery Commercially available parts Power control wire Des Terminal cover Battery wire Protective Fuse Battery Ground wire E Remote cable connection KAC 9152D 8152D only ACAUTION Before connecting the remote controller cables always set the Bass boost level control Lead terminal Subwoofer L R tt Remote cable 1 v to OdB
3. Reverse mn 18 AB variable 40 100 Hz variable KAC 9152D 40 Hz KAC 9102D General eussnssnssnsorsorsnrsnssnsnssnsnnsnnnen Operating Voltage Current Consumption Installation Size W x H x D Weight eses KAC 9152D 9102D 14 4 V 11 16 V allowable 380 x 61 x 286 mm 5 8 kg KAC 9152D 5 7 kg KAC 9102D KAC 8152D 8102D 1100 W 300 W x 1 550 W x 1 5 Hz 200 Hz 0 2 V 5 0V 0kO lt 96 dB 50 200 Hz variable 5 25 Hz 0 Normal 180 Reverse 0 18 dB variable 40 100 Hz variable KAC 8152D 40 Hz KAC 8102D KAC 8152D 8102D 44V 11 16 V allowable 40 A 380 x 61 x 286 mm 5 6 kg KAC 8152D 5 5 kg KAC 8102D English 7
4. KAC 9152D KAC 9102D KAC 8152D KAC 8102D INSTRUCTION MANUAL KENWOOD CORPORATION Safety precautions AWARNING To prevent injury or fire take the following precautions When extending the ignition battery or ground wires make sure to use automotive grade wires or other wires with a 8 mm AWG 8 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 ACAUTION 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 rating Using a use with the wrong rating may cause your unit to malfunction To prevent a short circuit when replacing a fuse first disconnect the wiring harness NOTE If you experience problems during installation consult your Kenwood dealer
5. If the unit does not seem to be working right consult your Kenwood dealer 2 English 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 ACAUTION 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 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 When the internal temperature is high and unit won t operate When a ground wire of the center unit cassette receiver CD receiver etc or this unit is not connected to a metal part serving as an electrical ground passing electricity to the battery s negative terminal Wiring Take the battery wire for this unit directly from the ba
6. LINE IN terminal 0 LINE OUT terminal The signal that s input from the line input terminal is output Power indicator When the power is turned on the Power indicator lights If the Power indicator does not light when the power is turned on the protection function may be activated Check whether there is any indication of trouble See page 2 BASS BOOST LEVEL control KAC 9102D 8102D only Sets the low frequency level to be compensated 3 LPF Low Pass Filter FREQUENCY control This control adjusts the frequency band output from this unit ISF infrasonic filter switch Ultralow frequencies that cannot be reproduced even by a subwoofer speaker do not become sound but become unnecessary oscillations which affect the sound by causing distortion etc Setting this switch to 15 Hz or 25 Hz cuts the frequencies below the respective frequency This improves the reproduction performance of the speakers by eliminating unnecessary oscillations which will not become sound PHASE switch When this switch is set 180 Reverse the speaker output phase is reversed INPUT SENSITIVITY control Set this control according to the pre output level of the center unit connected with this unit or to the maximum power output of the genuine accessory car stereo Use the diagram on the right as a guide NOTE For the pre output level or the maximum power output refer to the lt Specifications gt in the i
7. ce there are large variety of settings and connections possible according to applications read the instruction manual well to select the proper setting and connection 1 Remove the ignition key and disconnect the negative terminal of the battery to prevent short circuits 2 Set the unit according to the intended usage 3 Connect the input and output wires of the units 4 Connect the speaker wires 5 Connect the power wire power control wire and grounding wire following this order 6 Install the installation 7 Attach the unit 8 Install the remote controller KAC 9152D 8152D only 9 Connect the negative terminal of the battery ittings in the unit ACAUTION Do not install in the below locations Unstable location In a location that interferes with driving In a location hat gets wet In a dusty location In a place that gets hot In a place that gets direct sunlight In a location that gets hit by hot air Do not install the unit under the carpet Otherwise heat build up occurs and the unit may be damaged Install this unit in a location which allows heat to easily dissipate Once installed do not place any object on top of the unit The surface temperature of the amplifier will become hot during use Install he amplifier in a place where people resins and other substances that are sensitive to heat will not come into contact with it When making a hole under a seat inside the trunk or somewhere e
8. ed to amplifier PJ ACAUTION Always connect between terminals of amplifiers JJ and H If a cable is incorrectly connected between and terminals of these amplifiers the amplifier protection circuit is turned on Use a speaker having the 20 or higher impedance only To protect the electrical system from a short circuiting be sure to remove the battery cable from the vehicle in advance Fully insulate amplifier terminals and speaker terminals to avoid a high voltage from peripherals Troubleshooting Guide What might appear to be a malfunction in your unit may just be the result of slight misoperation or miswiring Before calling service first check the following table for possible problems POSSIBLE CAUSE PROBLEM SOLUTION No sound Connec Input or output cables are disconnected Protection circuit may be activated Volume is too high The speaker cord is shorted Blown fuse replace the fuse the input or output cables Check connections by referring to lt Protection function gt Replace the fuse and use lower volume After check the speaker cord and fixing the cause of the short The output level is too small or too large The input sensitivity adjusting control is not set to the correct position Adjust the contro correctly referring to lt Controls gt The sound quality is bad The sound is distorted Connec and
9. have an impedance of 10 20 or greater 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 KAC 9152D 10 or greater KAC 9102D 8152D 8102D 20 or greater Combined impedance Installation 380 mm 320 mm J E o o o o 7 E E E V J oj aj o SIAJA ofo o A wer NOTE The rear side cover is fixed and cannot be removed Hexagon socket head cap screw F M4 x 8 mm Hexagon Wrench Front side cover u Self tapping screw z A 85 x 18 mm f Y N RT Installation board etc thickness 15 mm or more E Remote controller KAC 9152D 8152D only Mounting bracket Remote controller Ss Self tapping screw 82 6 x 12 mm Accessories External View Number of Items ES E dl External View Es Part name Self tapping screws 85 x 18 mm Terminal cover Power terminal Speaker level input cable Hexagon Wrench KAC 9152D 8152D only Part name Number of Items Remote cable Remote controller ounting bracket Self tapping screws 22 6 x 12 mm Installation procedure Sin
10. lse in he 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 the dashboard rear tray or air bag safety parts 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 English 3 Connection AWARNING E RCA cable or Speaker level input connection To prevent fire caused by a short in the wiring Ri connect a fusible link or breaker nearby the e RCA cable Connections battery s positive terminal ACAUTION 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 CENTER UNIT CD receiver etc RCA cable ground terminal Power control wire RCA cable Left input Check that no unconnected wires or connectors are touching the car body Do
11. nstruction manual of the center unit BOOST LEVEL Bass boost level control KAC 9152D 8152D only Sets the level by which the low frequency range should be boosted FREQUENCY Bass boost frequency control KAC 9152D 8152D only Sets the center frequency around which the low frequency range should be boosted English 5 Dual Mono Drive Function of the KAC 9152D CENTER UNIT Subwoofer 2 Q or higher Remote controller 10 a 150 4 100 2 100 2 da 0a 70 3 70 3 a 03 a 0 3 50 200 MINJS O 2 MAX 50 200 MINIS 0 2 MAX LPF I an LPF INPUT EREGUENCY Hz SENSITIVITY V FREQUENCY Hz SENSITIVITY V ISF PHASE 25Hz 180 o Ma 6 English A Dual Mono Drive system is a system in which 2 monaural amplifiers are both set to bridged mode to drive one subwoofer with a high output signal Setting 1 Ifyou use the connection as shown set amplifier JJ to the Forward phase PHASE 0 and set amplifier J to the Reverse phase PHASE 180 9 2 Set all other switches except for the PHASE switch of amplifiers JJ and PB to the same position Connection 1 Connect the speaker wire to the terminal of amplifier KN Also connect the speaker wire to the terminal of amplifier H 2 Connect between terminals of amplifiers Hj and EI 3 The remote controller can be used just when connected to amplifier JP It can be used for more fine control if also connect
12. stems Speaker output terminals KAC 9152D As this unit accepts speakers with a minimum impedance of 1 ohm connect speakers with 1 ohm or higher impedance to these terminals KAC 9102D 8152D 8102D As this unit accepts speakers with a minimum impedance of 2 ohms connect speakers with 2 ohms or higher impedance to these terminals ACAUTION The rated input of the speakers should be no less than the maximum output of the amplifier Otherwise malfunction may result REMOTE terminal KAC 9152D 8152D only Connects the Remote cable NOTE Use the Remote cable of the accessory Speaker level input terminals NOTE The genuine accessory car stereo shall have a maximum power output of no more than 40 W Do not connect the speaker output leads from a power amplifier Optional to the speaker level input terminals of this unit for this may cause malfunction or damage Do not connect cables and leads to both RCA cable input jacks and the speaker level input terminals simultaneously for this may cause malfunction or damage Connect the power control lead to a power supply which can be turned ON OFF by the ignition key switch ACC line With this connection shock noise may be generated when the power of the genuine accessory car stereo is switched ON OFF RCA cable ground lead terminal When using an RCA cable with a ground lead attached connect the ground lead to this terminal
13. ttery If it s connected to the vehicle s wiring harness it can cause blown fuses etc If a 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 with a current capacity greater than the unit s fuse capacity Use a power wiring cord with a diameter of 8 mm AWG 8 or greater 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 han the total maximum current drawn by each amplifier 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 he amplifier will cause smoke to be emitted as well as damage Use speakers that
14. wires well Connect the spea anything The speakers wire are connected with wrong Opolarity A speaker wire is pinched by a screw in the car body The switches may be set improperly them properly checking the of the terminals er wire again so that it is not pinched by Set switches properly by referring to lt Controls gt The Remote Cable is disconnected Connec The BOOST LEVEL is set to OdB The Remote Controller does not function the Remote Cable securely and correctly Adjust the BOOST LEVEL Specifications Specifications subject to change without notice Audio Section eossesonsssssesssnennsssnnnennnnennnnnsnsesssnsnnsssnnnennnnensnnsssssssnnsssssssnsessnsessnsssssessnnenene KAC 9152D 9102D Max POWER QUTPUT nineio saminn di atodos dinoslo 1800 W KAC 9152D 1700 W KAC 9102D Rated Power Output B 14 4 V 4 O 20 Hz 200 Hz 0 5 THD 2 O 100 Hz 0 9 THD 500 W x 1 KAC 9152D 850 W x 1 KAC 9102D 900 W x 1 KAC 9152D 10 100 Hz 1 0 TI Frequency Response 0 3 dB Sensitivity rated output MAX MIN nput Impedance Signal to Noise Ratio Low Pass Filter Frequency 24 dB oct nfrasonic Filter Frequency 18 dB oct Phase Inverter Bass Boost Circuit Bass Boost Frequency lt 96 dB 50 200 Hz variable Normal 180
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