Radio Shack PLMRA420 User's Manual
Contents
1. terminals crossover mode selector input level control low pass frequency control high pass frequency control bass boost level control low level inputs high level inputs power LED protection LED power fuse power terminals speaker connections PLU RAG 20 ch 3 4 high pass frequency control features and specificat 2 ch amp PLMRA when used with normal full range systems set this switch to FULL If you wish to use the intemal crossover to power driver of specific frequency range use the LOWPASS or HIGHPASS settings use this control to match the outputs of your head unit to the amplifier Starting with your head unit set about the 2 o clock position increase the amp level control until distortion begins to occur and reduce slightly from this point when the crossover selector switch is in low pass mode this control sets the upper frequency limit for audio program sent to the speakers when the crossover selector switch is in high pass mode this control sets the lower frequency limit for audio program sent to the speakers this control permits adjustment ofthe bass level up to an increase of approximately 18 dB this amp features gold plated RCA input jacks for high impedance input Use these with car stereo output which uses RCA type connector cables it your car stereo lacks FCA type output jacks you may connect speaker output leads to these input connectors this indicator is2. yun Jo ui sjoejep enp rej ay pjnous eseuoind ay sr Aueuem si eseuound jo ejep ay S Z JO diusueuoM pue erau Sio9Jop JO 3014 YSN eu queuudius pue pejonujsuoo User s manual P high performance car audio amplifier congratulations on your purchase of a Pyle Marine Series amplifier This amplifier extends the Pyle tradition into a totally new series of amps designed from the ground up to deliver the power performance and flexibility the modern car audio enthusiast demands When you check the list of features offered by the PLMRA220 PLMRA420 you ll know you made the right choice with a Pyle Marine amplifier table of contents general features 2 high level input connections 12 features and specifications 3 4 monoinputconnections 13 features and specifications 5 6 high level mono input connections 14 l a ti 7 8 ae electrical connections speaker connections 1 nm stereo input 191207 9 sb aketicomsell ns 16 A mono input connections speakerconnections 17 PLMRA22 PLURA42 2 4 channel input connections 11 mounting andinstallation 18 L
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4. de with Mono Bridged Subwoofer Output PLMRA420 7 MINIMUM Fam SPEAKER EL INPEDANCE L t gt ills mounting and installation Your new Pyle Marine Series amplifier comes complete with all required mounting hardware When determining a suitable location in your vehicle for the amp please remember that itis a high power electronic device capable of generating high heat For this reason always choose a location in your vehicle which has low vibration adequate ventilation a minimum of dust and no moisture Be sureto mount the amp in such a manner as to allow reasonable airflow over the cooling fins Mark the location for the mounting screw holes by positioning the amp where you wish to install it and use a scribe or one of the mounting screws inserted in each of the mounting holes to mark the mounting surface If the mounting surface is carpeted measure the hole centers and mark with a felt tip pen Before attempting to drill the mounting holes take note of any wires lines or other devices in your vehicle which may be located behind the mounting surface Then drill pilot holes in the mounting surface for the mounting screws and insert them Tighten the screws securely When making electrical connections to your amplifier please observe the following Use at least 8 gauge wire for power and ground connections Wirethe amplifier directly to the car battery For the ground connection use the shortest possible
5. e above steps fail to improve or clear noise interference the system should be checked by a professional mobile audio installer precautions Do not operate the amplifier when it is unmounted Attach all audio system components securely within the automobile to prevent damage especially in an accident Do not mount this amplifier so that the wire ay connections are unprotected or in a pinched condition or likely to be damaged by nearby objects Before making or breaking power connections in your system disconnect the vehicle battery Confirm that your head unit or other equipment is turned off while connecting the input jacks and speaker terminals If you need to replace the power fuse do so only with a fuse identical to that supplied with the amplifier Using a fuse of a different type or rating may result in damage that isn t covered in the manufacturer s warranty YES NO Two 4 ohm speakers wired in parallel Four 4 ohm speakers wired in stereo NO Two 4 ohm speakers wired in stereo Four 4 ohm speakers wired in parallel will present a 4 ohm load to each to a bridged two channel amplifier will present a 4 ohm load ta each 1 a bridged four channel amplifier channel of the amplifier Most two will present a 2 ahm mano load to the channel of the amplifier Most four will present 4 ohm mono load to the channel amplifiers will work well in this amplifier MOST TWO CHANNEL channel amplifiers wil
6. el inputs ll IL protection LED power LED power terminals LII Lu power fuse crossover mode selector input level control low pass frequency control high pass frequency control bass boost level control low level inputs high level inputs power LED protection LED power fuse power terminals speaker connections PLM RA220 features and specifications 4 ch amp PLMRA420 when used with normal full range systems set this switch to FULL If you wish to use the internal crossover to power a driver of specific frequency range use the LOWPASS or HIGHP SS settings use this control to match the outputs of your head unit to the amplifier Starting with your head unit set at about the 2 o clock position increase the amp level control until distortion begins to occur and reduce slighlly from this point when the crossover selector switch is in low pass mode this control sets the upper frequency limit for audio program sent to the speakers when the crossover selector switch is in high pass mode this control sets the lower frequency limit for audio program sent to the speakers this control permits adjustment of the bass level up to an increase of approximately 18 dB this amp features gold plated input Jacks for high impedance input Use these with car stereo output which uses RCA type connector cables if your car stereo lacks FCA type output jacks you may connect speaker output leads to these inpu
7. ifier do not use the low level RCA inputs at the same time using high level inputs head unit To a second amplifier wiring harness from speaker terminals 2 4 channel input Co connections 4 ch amps PLMRA420 4 CH input connections using low level inputs PLY RAA20 URFEAR Audio Outputs 1 CH input connections using low level inputs Yakpos R high level input 0 4 CH floating ground connections PLN A420 from speaker terminals PLEASE NOTE If using high level inputs do not use the low level RCA inputs at the same time from speaker terminais mono i Nout Connections h amps P 4 CH mono input connections using low level inputs PLM RAA20 nas RIGHT REAR Audio Outputs 1 CH input connections using low level inputs Yadepios R high level mono input 4 ch amps P connections RA420 4 CH floating ground connections PLM RAA20 from speaker terminals PLEASE NOTE If using high level inputs do not T use the low level RCA inputs at the same time 4 CH harness wiring for common ground connections Stereo Output Mode PLU RAZ20 71 MINIMUM SPEAKER Seed OC speaker 0915 4 CH Output Mode PLMRA420 in FRONT speakers 22 ite REAR speakers uy Bridged Dual Mono Out us t Mode Ni foal m SPEAKER speakers IMPEDANCE L R 4 OHMS peaker connections 4 ch amp PLM RAG20 4 CH Stereo Output Mo
8. illuminated when power is applied this indicator is illuminated when built in protection circuitry is activated the fuse protects the amplifier and your cars electrical system from short circuit conditions use these connectors to deliver power ground and remote turn on control to the amplifier these terminals are 14K gold plated to guarantee high conductivity and minimum signal loss put po JC 1KHz RMS Power 4 Ohms RMS Power 2 Ohms Maximum Power Output frequency response impe low level inputs high level inputs low level inputs high level inputs matching speaker impe stereo mode bridged mode current draw axim dimensions W x Hx L mm inches 1015 PLM A220 2 channel amplifier 40 Watts x 2 70 Watts x2 300 Watts x 2 15 Hz 30 KHz 10K Ohms 100 Ohms 250mV 25V 144V DC Neg Ground 10 161 2 4 Ohms 4 8 Ohms 15A 276 x 69 5 x 209 10 9 x 2 7 x 8 25 features and specifications 4 champ PLMRA 410 ch 1 2 high pass frequency control ch 1 2 low pass frequency control ch 1 2 bass boost level control ch 3 4 low pass frequency control ch 3 4 bass boost level control ch 3 4 crossover mode selector switch ch 3 4 input level contro m ch 1 2 crossover mode selector switch ch 1 2 input level control qp eife low level inputs ch 1 2 high level inputs ch 3 4 high level inputs PYLE 0 ch 3 4 low lev
9. l work well in this amplie MOST FOUR CHANNEL configuration AMPLIFIERS DO NOT SUPPORT 2 OHM configuration AMPLIFIERS DO NOT SUPPORT 2 OHM MONO OPERATION AMPLIFIER DAMAGE MONO OPERATION AMPLIFIER DAMAGE COULD RESULT Se 600 3 street brooklyn ny 11204
10. protection circuitry and troubleshooting 19 precautions 20 general features PLM RA220 PLM RA420 High Performance 600 Watt 2 Channel High Performance 1000 Watt 4 Channel Bridgeable MOSFET Amplifier Bridgeable MOSFET Amplifier 300 Watts x 2 Output 250 Watts x 4 Output 600 Watts x 1 Bridged Output 500 W x 2 Bridged Output 250 W x 2 500 W x 1 Variable Hi Lo Electronic Crossover Network Dual Variable Hi Lo Electronic Crossover Network Variable Bass Boost 0 418 dB 60Hz Dual Variable Bass Boost 0 18 dB 60Hz Variable Input Level Gain Control Variable Input Level Gain Control Remote Turn On Off Remote Turn On Off Gold Plated RCA Inputs Gold Plated RCA Inputs High Level MOLEX Input High Level MOLEX Inputs Power ON LED Indicator Power ON LED Indicator LED Protection Indicator S N Ratio gt 95 dB THD lt 0 04 Thermal Protection lt Overload Protection lt Short Circuit Protection Anti Thump Turn On Tri Mode Configurable Blue LED Level Display LED Protection Indicator S N Ratio gt 95 dB THD lt 0 04 Thermal Protection lt Overload Protection Short Circuit Protection Anti Thump Turn On Blue LED Level Display PLM RA220 high level inputs Ls low level inputs input level control de selector high pass frequency control crossover mot low pass frequency control bass boost level 1 Bid speaker connections power fuse power
11. t connectors this indicator is illuminated when power is applied this indicator is illuminated when built in protection circuitry is activated the fuse protects the amplifier and your cars electrical system from short circuit conditions use these connectors to deliver power ground and remote tum on control to the amplifier these terminals are 14K gold plated to guarantee high conductivity and minimum signal loss electr head unit to remote turn on 12V output power 14 1KHz RMS Power 4 Ohms RMS Power 2 Ohms Maximum Power Output frequency response put impedance low level inputs high level inputs input sensitivity low level inputs high level inputs power supply voltage matching speaker impedance Stereo mode bridged mode maximum current draw dimensions W x Hx L mm inches ical Connections 2 ch amps PLU RAS 20 4 channel amplifier 35 Watts x 4 50 Watts x 4 250 Watts x 4 15 Hz 30 KHz 10K Ohms 100 Ohms 250mV 257 1447 DC Neg Ground 10 5 16V 2 4 Ohms 4 8 Ohms 20A 276 x 69 5 305 109x27x12 PLM RAA20 SSS to remote turn on 312V EJ TIR PLEASE NOTE If using high level inputs Outputs do not use the low level RCA inputs at the same time wiring harness from speaker terminals mono input c 2 ch amps using low level input PLU RAZ20 uy PLEASE NOTE If using high level inputs Toasecond ampl
12. und Confirm that the audio signal source car radio equalizer etc is connected and is supplying output signal To check if the amp is supplying signal unplug the cables from the signal source but leave them plugged into the amp Briefly tap the center pin of each of the disconnected RCA plugs with your finger This should produce a noise feedback in your speakers Only one channel works Confirm that all terminal strip connections are secure and tight Check the Balance control on the head unit or other source to verify that it is set to its midpoint 19 If you are using the Low Level RCA input reverse the input plugs at amplifier switch the L with the R If the channels which is silent switches to the other side the problem is either in the head unit other source or the connecting cables Weak output Readjust the Input Level Control s to better suit the input signal Noise in the audio If the noise is a whine whose pitch follows the engine speed confirm that the amplifier and any other signal Sources head unit etc are properly grounded If the noise is a clicking or popping noise whose rate follows the engine speed this usually means that the vehicle is equipped with resistor spark plugs and wires or that the ignition is in need of service Check the rounting of the speaker and input wires to make sure they are not adjacent to wires which interconnect lights and other accessories If th
13. wire to a good chassis ground point Wire the Remote connection to the auto start lead of your head unit equalizer or power antenna About power fuses Pyle Marine Series amplifiers feature built in fuse systems These fuses protect both the amplifier and the electrical system in your vehicle from fault conditions If you ever need to replace the fuse in your Pyle Marine Series amp use a fuse of exactly the same type and rating A different type or rating of fuse may result in damage or fire rotection Ircuitry The built in protection circuitry in the Marine amplifiers will disable the amplifier if it senses an input overload a speaker short circuit or extreme temperature conditions When the protection circuit is activated by any of these conditions the Protection LED will be illuminated If this occurs carefully inspect the system to determine the source of the problem Ifthe shutdown was a result of a thermal overload condition allow the amplifier to cool down before attempting to restart it If the shutdown was a result of an input overload or speaker short circuit be sure to correct the condition before restarting The amplifier can be restarted by turning the remote power OFF and then ON again troubleshooting No output Confirm that all terminal strip connections are secure and tight Check both in line and built in fuses Both the 12V and the Remote terminals must have 12v referenced to chassis gro
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