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OWNER'S  MANUAL 

PB618/PB718/PB918/PB2518/PB3818 

Summary of Contents for America PB2518

Page 1: ...OWNER S MANUAL PB618 PB718 PB918 PB2518 PB3818 ...

Page 2: ...tive ground power supply Easy installation with mounting Hardware is provided The PB618 utilizes 8 MOSFETS 2 TRANSFORMER inits design to produce enou gh voltage to supply the main amplifier and a huge considerable amount of reserve voltage for peak high demand situations cb 2 1 High level input 2 Low level input 3 1nput level control 4 Fully adjustable high low passcrossover 5 Bassboost control 6 ...

Page 3: ...turn the control down 4 FULLILPF HPF CROSSOVER SWITCH For use with normal full range systems this selector should be set to the FULL position If this AMPLIFIER is being utilized to power a CROSSOVER system this selector should be set to either the HPF HI PASS FILTER or LPF LOW PASS FILTER position to enable the built in electronic crossover S BASS BOOST CONTROL The Bass Boost dial increases the ba...

Page 4: ... turn on and off of the ampli fier by the radio cassette player Usually The Auto Antenna Lead 11 POWER FUSE The power fuse protects both this amplifier and the automobile electrical system from short circuit conditions 12 SPEAKER TERMINALS The speaker terminals are for high conductivity and minimum impedance loss The terminals are facing upwards for easy wiring in tight situations Be sure to strip...

Page 5: ...alizers with line level output Fig 1A If you STEREO has only RIGHT and LEFT outputs then you must use a Y adaptor connecting the stereo to the amplifier as indicated Fig 1B WHEN YOU WANT TO BRIDGE THE AMPLIFIER PLEASE COMPLET THE FOLLOWING STEPS 1 If your STEREO only use RIGHT and LEFT outputs please wire as Fig 2A 2 If your STEREO has four channel outputs please wire as Fig 2B NOTE Do not use bot...

Page 6: ...ELECTRICAL AUDIO CONNECTIONS PB618 O O o 0 High Level Input Leads To Radio Unit speaker Output High Level Input Leads To Radio Unit speaker Outout Fig 1B o f o t t Y Adap T Adap m Fig 2A ...

Page 7: ...ds Car Stereo System To Radio Unit speaker Output Four Channel Line Output B SPEAKER CONNECTIONS You do not need to make any adjustment for the input connection of Amplifier before you connect the speaker output 1 4 Channel Output Mode Connect the speaker output terminals to the corresponding speaker Fig 3A Fig 3A ...

Page 8: ...ble of handling the high power output In this mode only the 1 2CH and 3 4CH speaker will be activated Fig 3B Fig 3B C 2 CHANNEL STEREO OUTPUT COMBINED WITH MONO SUBWOOFER OUTPUT MODE a SUBWOOFER Connect the speaker to the 3 4CH speaker terminal b 2 CHANNEL STEREO The RIGHT signal output from 2 RIGHT speaker terminal The LEFT signal output from 1 LEFT speaker terminal ...

Page 9: ...l input 3 Aux line output 4 lnput level control 5 Bass boost control 6 Low pass control 7 High pass control O 8 Fullyadjustable high low pass crossover 9 Power on LED indicator 10 Protection LED indicator 11 Power supply terminals 12 Power fuse 13 Speaker output terminals ...

Page 10: ...ortion when the volume of stereo is turned up turn the control down 5 BASS BOOST CONTROL The Bass Boost dial increases the bass signal to the speaker 6 LOW PASS CONTROL The LPF 50Hz 250Hz lets you adjust the crossover frequency from 50Hz to 250Hz this control is useful only for subwoofers and not you main speakers 7 HIGH PASS CONTROL The HPF 120Hz 3kHz lets you adjust the crossover frequency from ...

Page 11: ... an input overload or speaker short circuit please be sure to cor rect these conditions before restarting the amplifier 11 POWER SUPPLY A 12V To connect 12V DC power supply wire from the terminal of battery B GROUND To connect the ground wire from the chassis of the automobile C REMOTE To connect the control wire which provides remote turn on and off of the amplifier by the radio cassette player U...

Page 12: ... o CA 0 O nll full 1 1 Ilnl aut connKiIon to IUonll IlIIpllnl In th palll STEREO MODE C 9 Jc j C C JU o 0 O 0 tiiir 00 0 0 m m lW1 X OVER R FULL lPf HPF MONO MODE D C 9JC j r j I J sur J 0 Gill l1V FUU a _ a 0 Q 0 0 U oOo I1 DlJlo X OVER FUll Lf I HPf _ l B l Subwoofer 4 1 0111111 JO 0 ...

Page 13: ...ound battery terminal or car chassis 3 To make a good grounding and prevent motor boating noise problem con nect another 12 gauge minimum wire from the negative battery terminal to chassis of stereo unit 4 Connect the Remote pole to external switch for positive 12V ON oFF This may be connected to the receiver power antenna lead 8 I W 7fT S7 _ __ ___ ___ 8 N Vehicle Battery Cha l Ground ...

Page 14: ... a place with sufficient airflow a minimum of dust and no moisture Allow enough space around the cooling fins to permit reasonable airflow and cooling Choose a suitable location to mount the amplifier so that it is protected from vibration Check clearance all around the amplifier be sure to leave enough room for wiring Secure the amplifier tightly Do not leave an unmounted amplifier in your car tr...

Page 15: ...n control to match the output level of your radio A Set the volume control on you radio to 2 3 position 8 Adjust the gain control for an average listening level e Turn the radio volume all the way down lnd listen for background noise D Start your vehicle and listen for electrical noise E Making fine adjustments to the sensitivity can reduce background noise and Some engine noise F CAUTION Never tu...

Page 16: ...x 2 and 500W x1 3 Frequency Response 10 30 000 Hz 3 dB 4 Input Impedance 10K Ohms Low Level 100 Ohms High Level 5 Input Sensitivity 250mV Low Level 2 5V High Level 6 Power Supply Voltage DC 14 4V Negative Ground 10 5 16V 7 Matching Speaker Impedance Stereo Mode 2 4 Ohms Bridged Mode 4 8 Ohms PB618 20Ax 2 PB718 25Ax1 8 MaXimum Current Draw PB918 30Ax 1 PB2518 35Ax1 PB3818 30Ax 2 PB618 260x 57 5x 35...

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