Table of Contents
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POWERCLASS
CONGRATULATIONS
PC1400 FEATURES / SPECIFICATIONS
PC1800 FEATURES / SPECIFICATIONS
QBASS
QBASS PLUS
INSTALLATION
WIRING
WIRING (continued)
POWER / GROUND
POWER, GROUND, and REMOTE
PC1400 ENDPLATE DIAGRAM
PC1400 / PC1800 OWNER'S MANUAL
C O N T E N T S
(click on a topic to view)
™
INPUTS
THERMAL MANAGEMENT
CROSSOVER/SUBSONIC/GAIN
PC1800 FREQUENCY CHART
PC1400 FREQUENCY CHART
SYSTEM DIAGRAM ONE
SYSTEM DIAGRAM TWO
TROUBLE SHOOTING
WARRANTY
PC1800 ENDPLATE DIAGRAM
SPEAKER WIRING
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Table of Contents
Related Manuals for Precision Power PowerClass PC1400
Summary of Contents for Precision Power PowerClass PC1400
- Page 1 POWERCLASS PC1400 / PC1800 OWNER’S MANUAL CONGRATULATIONS PC1400 FEATURES / SPECIFICATIONS PC1800 FEATURES / SPECIFICATIONS QBASS QBASS PLUS INSTALLATION WIRING WIRING (continued) POWER / GROUND POWER, GROUND, and REMOTE PC1400 ENDPLATE DIAGRAM ™ C O N T E N T S...
- Page 2 Congratulations and thank you... for choosing PrecisionPower audio epuipment. At PrecisionPower we proudly design, engineer and manufacture audio products at our facility in Phoenix, Arizona. Our award winning engineering team utilizes innovative technology to consistently deliver Absolutely State of the Art sound quality, reliability, and value.
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Page 3: Features & Specifications
Idle Current Crossover Crossover Frequency C o n t i n u o u s O u t p u t Po w e r PC1400 200 WRMS x 1 @ 4 ohms 400 WRMS x 1 @ 2 ohms Dimensions PC1400 Length - 11.75"... - Page 4 FEATURES / SPECIFICATIONS Adaptive MOSFET Switching Power Supply Fully Complementary Triple Darlington Output Stage AM IV Protection Circuitry QBASS PLUS ™ Bass Boost QBASS REMOTE Advanced Buss Technology Forced Air Thermal Management Detented, Variable 24dB/Octave Low Pass Crossover Detented, Variable 24dB/Octave Subsonic Filter Balanced Differential Input Stage High Voltage Input Capability with Input Attenuation Switch Gold Plated RCA Input Connectors...
- Page 5 ™ QBASS Q BASS ™ On the PC1400 amplifier, we offer tremendous control Q BASS of your bass with ™ . On the front end panel of Q BASS your PC1400 you will find the ™ level control. Adjust the level control clockwise for up to 12dB of boost at a factory preset frequency of 40Hz.
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Page 6: Qbass Plus
Q BASS PLUS ™ On the PC1800 amplifier, we've taken bass control to a higher level with 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 switch determines the width of boosted frequencies. -
Page 7: Installation
Tube of silicone sealant F u s e r e q u i r e m e n t s Amplifier PC1400 PC1800 You will need to install an in-line fuse or circuit breaker in the power wire within 18" of the battery. This fuse or circuit breaker is to protect your vehicle from fire in case the power wire shorts to the vehicle body. - Page 8 The following is a basic formula to be used as a guide to determine current draw. A 50% amplifier efficiency rating is used as an average. Your new POWERCLASS be less. This formula is to be used as a guideline. Using wire of a larger gauge can only improve the current transfer of your system.
- Page 9 Before beginning, disconnect the negative (-) terminal of the battery prior to working on the positive (+) terminal to prevent a short to ground. This is important, unless you want to spend the rest of your life with a nickname like "Sparky," or "Smokey." Reconnect the negative terminal only after all connections have been made.
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Page 10: Power / Ground
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. -
Page 11: Power / Ground And Remote
Once the wires are secure, the PowerLock may be plugged into the amplifier. The Power/Ground PowerLock will accommodate 4 gauge wire for the PC1400/PC1800 . Power wires R e m o t e t u r n - o n Your head unit should have a lead marked 'remote' or 'power antenna' which will be used to turn on your amplifier. -
Page 12: Endplate Diagram
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). - 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 &...
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Page 14: Speaker Wiring
Left Speaker positive Left Speaker negative Speaker/Remote PowerLock Although the PC1400/PC1800 is a mono amplifier, you will notice that there are two 'speaker negative' and two 'speaker positive' terminals as well as the 'remote turn-on' terminal. The two pairs of... - Page 15 There is a pair of RCA inputs on the front end of your amplifier. The RCA cables from your head unit or crossover plug in here. If your head unit doesn't have RCA outputs don't worry. 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 jacks, and push in the -12dB input attenuation switch.
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Page 16: Thermal Management
THERMAL MANAGEMENT H e a t s i n k C o o l i n g The unique heatsink on your POWERCLASS amplifier has been designed with fins on the inside of the aluminum mass. This allows for the transfer of heat from the circuitry to the heatsink fins and out through the vents in the endplates. - Page 17 CROSSOVER, SUBSONIC and GAIN C r o s s o v e r PC-1400 Your new Monoblock amplifier has a variable 20-5kHz 12dB/Octave HP/ LP crossover. When you select the LP feature on this amplifier you have made the output RCA's HP, and vice versa when you select HP for the speaker output.
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Page 18: Frequency Chart
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. FREQUENCY CHART PC1800 DETENT SUBSONIC 4.86 Hz 4.86 Hz 4.86 Hz 4.93 Hz 5.08 Hz... - Page 19 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 FREQUENCY CHART PC1400 XOVER FREQ 20 Hz 21 Hz 21 Hz 21.5 Hz...
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Page 20: System Diagram
In -C Fa de De fe Su b Lo w Lo w- M id Hi gh -M id Tr eb ™ Amplifier Passive Tweeter Crossover MidRange Passive Tweeter Crossover MidRange POWER CLASS Amplifier ™ PC1400/PC1800 Variable Low Pass Variable Subsonic Subwoofer... - Page 21 PAR-245 Preamp/Equalizer PMQ-210 Ten Band Parametric EQ FRX-456 Crossover Passive Tweeter Crossover MidRange POWER CLASS ™ Amplifier PC1400/PC1800 LOWPASS OFF POWER CLASS ™ PC1400/PC1800 LOWPASS OFF Subwoofer SYSTEM DIAGRAM Source Unit eject Trk 1 BASS TREBLE BALANCE TRACK VOLUME LEFT...
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Page 22: Troubleshooting
NO SOUND Is the LED lit? Central Muting is engaged. Remote turn-on wire must have more than 8 volts to release central muting. Check Remote turn-on at the head unit. You may need to install a relay if the head unit doesn't put out sufficient voltage. - Page 23 Three-Year Limited U.S.A. Warranty This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. PrecisionPower warrants its products to be free from defects in materials and workmanship under normal use and service for a period of three (3) years from the date of original purchase when the unit is installed by an Authorized Dealer.
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