Kenwood KAC-8101D Stereo Amplifier User Manual
Contents
1. Remote controler 8 English Commercially available parts E Speaker wire connection Lead terminal Subwoofer L R ES aart GND rcon Anal a m e NN E Power wire connection pun Lead terminal DE Terminal cover 1 ei Extension wire 90000000909909009000009099000000090999909090000909999 9 Battery wire Ground wire T Protective Fuse Battery English 9 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 PROBLEM No sound POSSIBLE CAUSE Input or output cables are SOLUTION Connect the input or output No sound from one side Blown fuse The output level is too small or too large The sound quality is bad The sound is distorted The Remote Controller does not function 10 English disconnected Protection circuit may be activated Volume is too high The speaker cord is shorted The input sensitivity adjusting control is not set to the correct position The speakers wire are connected with wrong O O polarity A speaker wire is pinch2. OFF 6 9 12 dB KAG 81 OTD reanna edet etc esce cust ed ie lecta edd OFF 12 dB General Operating Voltage sssssssssssssssseseeeeeneneeee nennen nens 14 4 V 11 16 V allowable Current Consumption 4 0 10 96 THD sieste cred ete tne utei edere YE dr cade dl nie idee 31A IBITTTRETIenERUESduEdP p 285 x 57 x 268 mm 11 1 4 x 2 1 4 x 10 9 16 inch A M PL a 2 96 kg 6 5 Ibs English 11
3. AWG 10 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 than the total maximum current drawn by each amplifier B Speaker Selection The rated input power of the speakers that are going to be connected should be greater han the maximum output power in Watts of he 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 Use speakers that have an impedance of 1Q or greater When more than one set of speakers are going to be used calculate the combined impedance of the speakers and hen connect suitable speakers to the amplifier Combined impedance English 7 Connection E RCA cable or Speaker level input connection RCA cable Connections RCA cable ground terminal INE gt RCA cable bu L Wer oA Fe CENTER UNIT CD receiver etc Left input a Right input pert Power control wire Blue White Speaker level input Connections Q White White Black Q Gray Gray Black B Remote cable connection KAC 8151D only Remote cable NDER I m i UD
4. 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 W Installation procedure Since 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 unit in the car 7 Connect the negative terminal of the battery To prevent fire caused by a short in the wiring connect a fusible link or breaker nearby the battery s positive terminal ACAUTION f 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 e f the fuse blows check wires for shorts then replace the fuse with one
5. 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 winkers and wipers work properly E Wiring Take the battery wire for this unit directly from the battery If it s connected to the vehicle s wiring harness it can cause blown fuses etc f 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 5 mm
6. INPUT SENSITIVITY UI oF ON EXPANDER EXPANDER switch When this switch is turned ON the dynamic range is increased LPF Low Pass Filter FREQUENCY control This control adjusts the frequency band output from this unit INFRASONIC 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 BASS BOOST switch Sets the boost level for bass control 12dB position BASS BOOST is 412 dB KAC 8101D OFF position BASS BOOST is OFF KAC 8151D OFF REMOTE position Can be set from the Remote Controller NOTE If you have disconnected the Remote Controller the BASS BOOST is turned OFF 4 English i ys CT wi INPUT SENSITIVITY control Set this control according to the pre output evel 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 Specifications in the instruction manual of the center unit Remote controler control KAC 8151D o
7. KENWOOD KAC 8151D KAC 8101D INSTRUCTION MANUAL MODE D EMPLOI D page 12 21 AMPLIFICADOR DE POTENCIA MONOFONICO gt p gina 22 31 MANUAL DE INSTRUCCIONES KENWOOD CORPORATION TT CHO1 Take the time to read through this instruction manual Familiarity with installation and operation procedures will help you obtain the best performance from your new power amplifier For your records Record the serial number found on the back of the unit in the spaces designated on the warranty card and in the space provided below Refer to the model and serial numbers whenever you call upon your KENWOOD dealer for information or service on the product Model KAC 8151D 8101D Serial number PRINTED IN CHINA B64 2577 00 00 KV EV Safety precautions AWARNING To prevent injury or fire take the following precautions e When extending the ignition battery or ground wires make sure to use automotive grade wires or other wires with a 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 e f 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 f
8. cation that interferes with driving In a location that 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 the 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 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 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 Controls Indicator LPF FREGUENCY Hz
9. ectricity to the battery s negative terminal English 5 Connection E Terminal names Fuse 40 A NOTE f 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 systems 2 Speaker output terminals As this unit accepts speakers with a minimum impedance of 1 ohm connect speakers with 1 ohm 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 amp 3 RCA cable ground lead terminal When using an RCA cable with a ground lead attached connect the ground lead to this terminal LINE IN terminal LINE OUT terminal The signal that s input from the line input terminal is output 6 English REMOTE terminal KAC 8151D 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
10. ed by a Screw in the car body The switches may be set improperly The BASS BOOST switch is in the incorrect position The Remote Cable is disconnected cables Check connections by referring to Indicator Replace the fuse and use lower volume After check the speaker cord and fixing the cause of the short replace the fuse Adjust the control correctly referring to Controls Connect them properly checking the O of the terminals and wires well Connect the speaker wire again so that it is not pinched by anything Set switches properly by referring to Controls e Set the BASS BOOST switch to the OFF REMOTE position Connect the Remote Cable securely and correctly Specifications Specifications subject to change without notice Audio Section Max POW T OURDUE Em 1000 W x 1 Rated Power Output 4 03 20 Hz lt 200 Z AA e E erret t rin arr retreat 200W x1 4 Q DIN 45324 B 14 4V iii 2 Q 100 Hz 0 5 96 THD 1 Q 100 Hz 1 0 96 THD Frequency Response 0 3 dB des Sensitivity rated output MAX iii 0 2V A ns er 5 0 V Signal to Noise Ratio 100 dB Input Impedance lm HEUTE 10 kQ Low Pass Filter Frequency 18 dB oct 50 200 Hz variable Infrasonic Filter Frequency 18 dB oct ssssssssssssssseeee OFF 15 25 Hz Bass Boost Circuit 80 Hz KAC 8151D
11. f 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 There is a Protection function installed in the unit to protect the unit and speakers from various problems When Protection operates the indicator informs you of the condition Refer to page 5 o o Accessories Number of Items Part name External Self tapping screws 94 x 16 mm Terminal cover Power terminal Speaker level input cable KAC 8151D only External Number of View Items Remote cable 5 Remote controler Part name Knob Dressing plate ED Nut a Washer Self tapping screws 93 x 12 mm NLIS Double side tape Installation Remote controler KAC 8151D only Double side tape o Remote controler Knob Self tapping screw 94 x 16 mm Y et Y Self tapping screw 2 93x 12mm Dressing plate Washer Nut NOTE Mount the Dressing plate according to the mount angle of the Remote Controller Fully rotate the knob counterclockwise CCW and adjust the marking of the knob to the OFF position of the Dressing plate T KENWOOD Installation board etc thickness 15 mm or more ACAUTION Do not install in the below locations Unstable location In a lo
12. nly When the BASS BOOST switch is in the OFF REMOTE position control the Bass Boost level from the Remote Controller OFF position BASS BOOST is OFF e 6 9 12 position Boost the bass sound by 6 dB 9 dB and 12 dB respectively Remote controler KAC 8151D only KENWOOD 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 Y kenwooD ADOOW waximumeower MaAc o1e10 B B 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 el
13. ollowing 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 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 NOTE f you experience problems during installation consult your Kenwood dealer e f the unit does not seem to be working right consult your Kenwood dealer FCC WARNING This equipment may generate or use radio frequency energy Changes or modifications to this equipment may cause harmful interference unless the modifications are expressly approved in the instruction manual The user could lose the authority to operate this equipment if an unauthorized change or modification is made 2 English Cleaning the unit If the front panel gets dirty turn off the power nd wipe the panel with a dry silicon cloth or oft 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 of
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