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Precision Power PC1400 manual

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Table of contents for the manual

  • Page 1

    POWERCLASS ™ PC1400 / PC1800 OWNER’S MANUAL CONGRA TULA TIONS CONTENTS (clic k on a topic to view) PC1400 FEA TURES / SPECIFICA TIONS PC1800 FEA TURES / SPECIFICA TIONS QB ASS QB ASS PLUS INST ALLA TION WIRING WIRING (continued) PO WER / GR OUND PC1800 ENDPLA TE DIA GRAM SPEAKER WIRING INPUTS THERMAL MANA GEMENT CROSSO VER/SUBSONIC/GAIN PC1800 [...]

  • Page 2

    f or choosing Precision P o wer audio epuipment. At Precision P o wer we proudly design, engineer and manuf acture audio products at our f acility in Phoenix, Arizona. Our award winning engineering team utilizes inno v ativ e technology to consistently deliver Absolutely State of the Ar t TM perf or mance , sound quality , reliability , and value. [...]

  • Page 3

    Adaptive MOSFET Switching Power Supply Fully Complementary T riple Dar lington Output Stage 2 W a y V ar iable Crosso ver with Line Outputs AP-III Protection Circuitry QB ASS TM Bass Boost Balanced Diff erential Input Stage High V oltage Input Capability with Input Attenuation Switch Gold Plated RCA Input and Output Connectors P o wer Lock Speaker [...]

  • Page 4

    Adaptive MOSFET Switching Power Supply Fully Complementar y T riple Dar lington Output Stage AM IV Protection Circuitry QB ASS PLUS ™ Bass Boost QB ASS REMO TE ™ Compatib le Advanced Buss T echnology Forced Air Ther mal Management Detented, V ariable 24dB/Octa v e Low P ass Crosso ver Detented, V ariable 24dB/Octa v e Subsonic Filter Balanced D[...]

  • Page 5

    3 QB ASS ™ Q B ASS ™ On the PC1400 amplifier , we offer tremendous control of your bass with Q B ASS ™ . On the front end panel of your PC1400 y ou will find the Q B ASS ™ le v el control. Adjust the level control clockwise for up to 12dB of boost at a factory preset frequency of 40Hz. QB ASS ™ CA UTION: QB ASS ™ should only be used in [...]

  • Page 6

    4 QB ASS PLUS ™ Q B ASS PLUS ™ On the PC1800 amplifier , we'v e taken bass control to a higher le v el with Q B ASS PLUS ™ . The two Q B ASS switches (labeled 1 and 2) on the front end of the amplifier allow you to select one of four frequency centers 30Hz, 36Hz, 44 Hz and 60 Hz. The Q SELECT s witch deter mines the width of boosted freq[...]

  • Page 7

    5 T ools/P arts needed for Installation (not supplied) Small flat blade screwdriver Phillips Screwdriver (#2 or medium sized) Wire cutters Wire strippers 4 - #6 round head screws, and 1 - #8 sheet metal screw (or nut, bolt, and star washer) 2 - Ring connectors (large enough to accommodate your method of grounding) In-line fuse or circuit breaker - [...]

  • Page 8

    The following is a basic formula to be used as a guide to determine current dra w . A 50% amplifier efficiency rating is used as an a verage . Y our new PO WER CLASS ™ amplifier is more efficient, other amplifiers will probab ly be less. This f or mula is to be used as a guideline . Using wire of a larger gauge can only improve the current transf[...]

  • Page 9

    Before beginning, disconnect the negative (-) terminal of the battery prior to working on the positive (+) terminal to prevent a shor t to ground. This is impor tant, unless y ou want to spend the rest of your lif e with a nic kname lik e "Sparky ," or "Smoke y ." Reconnect the negative terminal only after all connections have b[...]

  • Page 10

    Grounding Locate an area near the amplifier(s) that is metal and clean an area about the size of a quarter to bare metal. Inspect the area around and underneath to be sure you won't drill into wires, brake or fuel lines, etc. Drill a pilot hole in the middle of this area. T er minate the g round wire with a ring connector and attach it to the [...]

  • Page 11

    9 PO WER / GR OUND and REMO TE Once you have run both the power and ground wires, it's time to connect the cab les to the amplifier . Cut off e xcess wire and, using wire strippers, strip the ends of the power and ground cab les appro ximately 1/4 inch. Locate the P ower Lock pow er and ground connector (supplied). With a small flat bladed scr[...]

  • Page 12

    10 1. INPUTS Plug in the RCA leads from your head unit or crossover here (see page 13). 2. GAIN Use this control to match the output level of the head unit to the amplifier (see page 15). 3. -12dB For use with high level inputs (4V up to 12V). Push this switch in to attenuate the input by 12dB (see page 13). 4. XO VER FREQ. Detented control adjusts[...]

  • Page 13

    1. INPUTS Plug in the RCA leads from your head unit or crossover here (see page 13). 2. GAIN Use this control to match the output level of the head unit to the amplifier (see page 15). 3. SUBSONIC FREQ. This is used to control the detented subsonic filter from 5Hz to 50Hz (see pages 15 & 16 ). 4. LO WP ASS FREQ. Detented control adjusts LP cros[...]

  • Page 14

    12 SPEAKER WIRING Using 14 gauge or larger , run the speaker wires from the amplifier location through the vehicle to the speakers. Observe the same precautions for routing these wires that you followed for running the power and remote turn-on wires. Locate the speaker/remote tur n-on P ower Lock connector . Right Speaker negative Right Speaker pos[...]

  • Page 15

    There is a pair of RCA inputs on the front end of y our amplifier . The RCA cables from your head unit or crossover plug in here. If y our head unit doesn't hav e RCA outputs don't worr y . Simply add a set of RCA plugs (available at your dealer) to your front or rear set of speaker leads (see drawing below), plug them into the input jack[...]

  • Page 16

    14 Heatsink Cooling The unique heatsink on your PO WER CLASS ™ amplifier has been designed with fins on the inside of the aluminum mass. This allows f or the transfer of heat from the circuitry to the heatsink fins and out through the vents in the endplates. Be sure you have ample space around the amplifier for cooling, at least 2" on all si[...]

  • Page 17

    15 Crosso ver PC-1400 Y our new Monobloc k amplifier has a variab le 20-5kHz 12dB/Octav e HP/ LP crossov er . When y ou select the LP f eature on this amplifier you ha v e made the output RCA's HP , and vice versa when y ou select HP f or the speaker output. PC-1800 The PC-1400 has a variable fourth-order Linkwitz-Riley type, 24dB per octave L[...]

  • Page 18

    16 FREQUENCY CHAR T PC1800 All crossover frequency controls are detented for improved performance. Each "click" counted from the full counterclockwise position corresponds to a specific frequency . Refer to this chart and page 12 for set-up instructions. DETENT LO W P ASS SUBSONIC 1 4.86 Hz 47.62 Hz 2 4.86 Hz 47.62 Hz 3 4.86 Hz 48.62 Hz 4[...]

  • Page 19

    17 FREQUENCY CHAR T PC1400 The crossover frequency control is detented for improved performance. Each "click" counted from the full counterclockwise position corresponds to a specific frequency . Refer to this chart and page 15 for set-up instructions. DETENT XO VER FREQ 1 20 Hz 2 21 Hz 3 21 Hz 4 21.5 Hz 5 22Hz 6 23 Hz 7 24.5 Hz 8 26 Hz 9[...]

  • Page 20

    18 SYSTEM DIA GRAM ONE eject VOLUM E BASS TR EBLE RIGHT LEFT BALAN CE TRACK REVER SE FOWAR D 1 2 3 4 8 7 6 5 PPI MAR KE T ING DPT Tr k 1 S ou r c e U ni t P O W E R C LA S S ™ A mp l i fi e r F ou r Ch a nn e l A m p li f i er V ar i a bl e H i g h P a ss Pa s si ve Cr o ss ov er Pa s si ve Cr o ss ov er T we e t er T we e t er M id R a ng e Pa s[...]

  • Page 21

    19 SYSTEM DIA GRAM TWO Pa s si ve Cr o ss ov er T we e t er M id R a ng e Pa s si ve Cr o ss ov er T we e t er M id R a ng e ejec t VOLU ME BASS T REBLE RIGH T LEFT BALA NCE TRAC K REVE RSE FOWA RD 1 2 3 4 8 7 6 5 PPI MAR K ET ING DPT Tr k 1 P AR - 2 45 Pr e a mp / Eq u a li z e r F RX - 4 56 Cr o s so v er S ub w o of e r S u b wo o f er LE F T CH[...]

  • Page 22

    NO SOUND Is the LED lit? 20 TR OUBLE SHOO TING GREEN Substitute RCA inputs with another source, and connect a known good speaker to the output. RED Central Muting is engaged. Remote turn-on wire must have more than 8 volts to release central muting. Check Remote tur n-on at the head unit. Y ou may need to install a relay if the head unit doesn&apos[...]

  • Page 23

    W ARRANTY Three-Y ear Limited U.S.A. W arranty This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Precision P ower warrants its products to be free from def ects in materials and workmanship under normal use and service for a period of three (3) years from the date of original purchase [...]