Page 2 - TABLE OF CONTENTS
TABLE OF CONTENTS Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3 - Our factory parts are not made; CAUTION; Protection Circuity; QBASS; Bass Boost
CONGRATULATIONS Thank you for choosing Precision Power TM audio equipment. Designed and engineered in the USA, this product combinesinnovative technology with the finest materials to consistently deliver Absolutely State of the Art ™ performance, sound quality, reliability, and value. This Precision...
Page 4 - Lock; Speaker and Power Wire Connectors.; WHAT’S INCLUDED
High Voltage Input Capability with -12dB Attenuation Switch.Gold Plated RCA Input and Output Connectors.Power Lock TM Speaker and Power Wire Connectors. WHAT’S INCLUDED Amplifier (with speaker and power plugs mounted)(4) Mounting screws and washers2mm hex wrench2.5mm hex wrench3mm hex wrench CEA SPE...
Page 6 - Length
5 Fuse Requirements You will need to install an in-line fuse or circuit breaker in the powerwire within 18” of the battery. This fuse or circuit breaker is to protectyour vehicle from fire in case the power wire shorts to the vehiclebody. If you are only using one amplifier, use the fuse ratingindic...
Page 7 - AMPLIFIER STATUS LEDS
AMPLIFIER STATUS LEDS The LEDs provide the following indications: 1. Power - These LEDs illuminates the center Precision Power logo background when the amplifier power is turned on. 2. Short - These LEDs behind the PPI logo will flash to indicate a short on the output. 2. Thermal - These LEDs behind...
Page 9 - Power; connector. Using a hex wrench loosen the screws on
Note: The cables running from the battery to the rear of the carshould be installed on the side of the car opposite to the antenna. When using 16 gauge wire or larger, run the speaker wires from theamplifier location through the vehicle to the speakers. Observe thesame precautions for routing these ...
Page 10 - GROUND WIRING; soldering this connection. After the; or total power is over 500 watts; Speaker; Connector
Note: The amplifier comes with the connector inserted into theamplifier with the wire clamping screws in the up position asshown below. Use a 2mm hex head wrench to secure the wiresto the connector. If the connector needs to be unplugged fromthe amplifier, use a 2.5mm hex head wrench to remove there...
Page 11 - CHARGING SYSTEM; or total output power is; Precision; Technical Support; CURRENT DRAW; NOT; PPI
wires as close together as possible, and use the same gauge wirefor both. This will ensure that you have a good ground path, and mayeliminate such potential problems as engine noise and overheatedamplifiers. CHARGING SYSTEM If your total current draw is over 100 amps ( or total output power is over ...
Page 12 - POWER WIRE SIZE; The ground wire must be the same gauge as the power wire.
375W = 31.25 Amps total current draw 12V If the same amplifier is driven into a 2 ohm stereo or 4 ohm monoload, double it’s 4 ohm RMS rating. These amplifiers will effectivelydouble their power at this load. 250W X 1.5 X2 = 750 watts 750W = 62.5 Amps total current draw 12V If you are using more than...
Page 13 - POWER; LOCK CONNECTORS; power and ground; will accommodate 4 gauge wire for these amplifiers.
POWER LOCK CONNECTORS Once you have run both the power and ground wires, then connectthe cables to the amplifier. Cut off excess wire, and using wirestrippers, strip the ends of the power and ground cablesapproximately 1/4 inch. Locate the Power Lock TM power and ground connector (supplied). Using a...
Page 14 - FRONT PLATE DIAGRAM; QBass
FRONT PLATE DIAGRAM 1. Cooling Plenums: Maintain a minimum 2” clearance around cooling plenums for proper amplifier cooling. 2. Speaker/Remote Connector: The Power Lock TM speaker connector. 3. Output Xover Freq. Control: Use this control to adjust the sub bass output signal crossover frequency from...
Page 15 - END PLATE DIAGRAM
QBass frequency control adjustment. 12. RCA Outputs: RCA outputs provide HP/LP/FULL 30-4kHz signal to another amplifier. END PLATE DIAGRAM 1. Cooling Plenums: Maintain a minimum 2” clearance around cooling plenums for proper amplifier cooling. 2. Power/Ground Power Lock TM : Connect your power and g...
Page 16 - INPUTS; input attenuation switch.; ADVANCED INSTRUMENTATION INPUT; . This circuit completely
INPUTS There are two sets of RCA jacks on the front end of your amplifier.The RCA cables from your source unit go in the set labeledINPUTS. If your source unit doesn’t have RCA outputs, then add aset of RCA plugs (available at your dealer) to your front or rear setof speaker leads (see drawing below...
Page 17 - QBASS PLUS SPECIFICATIONS; Not available on the model A500/2 amplifier.; QBASS PLUS; Optional; QBASS REMOTE
QBASS PLUS SPECIFICATIONS Note: Not available on the model A500/2 amplifier. QBASS PLUS TM Up to 18dB of boost with selectable center frequency at 30Hz, 36Hz,44Hz or 60Hz, with a Q-factor of 2. Optional QBASS REMOTE TM This boost control can be mounted in the dash and will supersedethe boost control...
Page 18 - QBASS PLUS/QBASS REMOTE
QBASS PLUS/QBASS REMOTE On A800/2 , and A1000/2 amplifiers, we’ve taken bass control to a higher level with QBASS PLUS TM . The two QBASS TM switches (labeled 1 and 2) on the front end of the amplifier allow you to selectone of four frequency centers 30Hz, 36Hz, 44Hz and 60Hz. On therear end plate y...
Page 19 - Your new amplifier has a; DCX; amplifier allows independent selection of frequencies from; Speaker Output
TC-X CROSSOVER Your new amplifier has a TC-X Crossover (Total Control X-over ® ) 30Hz-4kHz (see this guide for Crossover Chart).12dB per octavephase correlated crossover built-in to provide superior systemflexibility without the added expense and installation of an outboardcrossover. The speaker out...
Page 20 - CROSSOVER DETENT CHART; Low Pass
CROSSOVER DETENT CHART Detent # Low Pass Frequency (Hz) @ -3dB High Pass Frequency (Hz) @ -3dB 123456789 1011121314151617181920212223242526272829303132333435363738394041 282830303032343638424650525460667688 100116136144168198240286310340380424484576632748932 107614281700243628302980 5252525656606472...
Page 21 - ADJUSTING INPUT GAIN; Adjust all amplifier input gain controls to just above minimum; HIGH MASS INTERNAL HEATSINK
ADJUSTING INPUT GAIN 1. Adjust all amplifier input gain controls to just above minimum sensitivity (fully counterclockwise). 2. Using the cleanest music source (CD) playing, turn up the head unit source volume until you can hear distortion. Now turn it down abit until you cannot hear the distortion ...
Page 23 - LIMITED TWO YEAR CONSUMER WARRANTY:
LIMITED TWO YEAR CONSUMER WARRANTY: Directed Electronics promises to the original purchaser, to replace this productshould it prove to be defective in workmanship or material under normal use, fora period of two years from the date of purchase by the dealer as indicated by thedate code marking of th...
