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AMPLIFIER MODELS
A500/2 A800/2 A1000/2
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TABLE OF CONTENTS Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 What’s Included . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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CONGRATULATIONS TM Thank you for choosing Precision Power audio equipment. Designed and engineered in the USA, this product combines innovative technology with the finest materials to consistently deliver ™ Absolutely State of the Art performance, sound quality, reliability, TM and value. This Precision Power product reflects our commitment to offer you unparalleled performance and quality for years of dependable service and listening enjoyment. SERVICE TM Do not attempt to service Precision Pow
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High Voltage Input Capability with -12dB Attenuation Switch. Gold Plated RCA Input and Output Connectors. TM PowerLock Speaker and Power Wire Connectors. WHAT’S INCLUDED Amplifier (with speaker and power plugs mounted) (4) Mounting screws and washers 2mm hex wrench 2.5mm hex wrench 3mm hex wrench CEA SPECIFICATIONS A A5 50 00 0/ /2 2 Power Output: 80 Watts RMS x 2 at 4 ohms and < 1% THD+N Signal to Noise Ratio: -70 dBA (reference 1 Watt into 4 ohms) Additional Power Output: 125 Watts RMS x 2 at
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SPECIFICATIONS Nominal Power Ratings MODEL 4 ohm 2 ohm 4 ohm MONO A500/2 2 X 75 2 X 125 1 X 250 A800/2 2 X 125 2 X 200 1 X 400 A1000/2 2 X 175 2 X 250 1 X 500 General Specifications Load Impedance (Stereo) 2–8 ohms Load Impedance (Bridged) 4–8 ohms Input Topology Balanced differential Conversion Efficiency >50% @2 ohms max power Frequency Response 20Hz–200Hz ±0.25dB Linear Bandwidth 10–50kHz ±3dB Input Sensitivity 150mv - 12 Volts RMS RCA Output Jacks HP/LP/Full; 30Hz to 4kHz Input Impedance 20,
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Fuse Requirements 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. If you are only using one amplifier, use the fuse rating indicated in this chart. If you are using more than one amplifier, add up the fuse ratings for all the amplifiers. This sum is the rating for your fuse or circuit breaker. You may also want to add a powe
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AMPLIFIER STATUS LEDS 1 2 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 the PPI logo will extinguish if the amplifier is in thermal shutdown protection. Note: Read the AP-IV Protection Circuit section for additional information regarding Short and Thermal protection.
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TOOLS/PARTS FOR INSTALLATION NOTE: TOOLS ARE 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, flat washer, star washer) (see details) 2 - Ring connectors (large enough to accommodate your method of grounding) In-line fuse or circuit breaker Power and ground wire Speaker wire - 12-16 gauge Grommets (sized to work with the power wire you plan to use in your install
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Note: The cables running from the battery to the rear of the car should be installed on the side of the car opposite to the antenna. When using 16 gauge wire 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. Cut off excess and, using wire strippers, strip 1/4-inch of insulation. Locate the speaker/remote turn- TM on PowerLock conne
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Note: The amplifier comes with the connector inserted into the amplifier with the wire clamping screws in the up position as shown below. Use a 2mm hex head wrench to secure the wires to the connector. If the connector needs to be unplugged from the amplifier, use a 2.5mm hex head wrench to remove the retaining screw from the connector (set aside and save the retaining screw).The two negative outputs are common to each other as are the two positive outputs. A speaker may be connected to either t
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wires as close together as possible, and use the same gauge wire for both. This will ensure that you have a good ground path, and may eliminate such potential problems as engine noise and overheated amplifiers. CHARGING SYSTEM If your total current draw is over 100 amps (or total output power is over 600 watts), you are probably exceeding the capability of your charging system. Dimming lights and fluctuating voltage are solid indicators that you need to upgrade your alternator, battery, or both.
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375W = 31.25 Amps total current draw 12V If the same amplifier is driven into a 2 ohm stereo or 4 ohm mono load, double it’s 4 ohm RMS rating. These amplifiers will effectively double 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 one amplifier, add up the total current draw for all of them and choose the appropriate gauge based on the grand total. POWER WIRE SIZE A minimum of 8 gauge or a maximum of 4 gauge wire is recommen
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POWERLOCK CONNECTORS Once you have run both the power and ground wires, then connect the cables to the amplifier. Cut off excess wire, and using wire strippers, strip the ends of the power and ground cables TM approximately 1/4 inch. Locate the PowerLock power and ground connector (supplied). Using a hex wrench, loosen the screws before attempting to insert the cable wires. Insert the wires into the appropriate hole, and tighten the screws. The Power/Ground TM PowerLock will accommodate 4 gauge
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FRONT PLATE DIAGRAM 12 11 R R BRIDGE - + R- R+ REM L+ L- OUTPUT XOVER XOVER GAIN FREQ QBASS ATT LP LP L 30 40k 30 40k MIN MAX L 2 1 -12dB OUTPUT FREQ FULL HP INTPUT FREQ FULL HP 12 345 67 89 10 1. Cooling Plenums: Maintain a minimum 2” clearance around cooling plenums for proper amplifier cooling. TM 2. Speaker/Remote Connector: The PowerLock speaker connector. 3. Output Xover Freq. Control: Use this control to adjust the sub bass output signal crossover frequency
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QBass frequency control adjustment. 12. RCA Outputs: RCA outputs provide HP/LP/FULL 30-4kHz signal to another amplifier. END PLATE DIAGRAM +18 0 QBASS REMOTE QBASS 12 3 4 1. Cooling Plenums: Maintain a minimum 2” clearance around cooling plenums for proper amplifier cooling. TM 2. Power/Ground PowerLock : Connect your power and ground TM to this Power/Ground PowerLock connector. Note: Item descriptions 3 and 4 only apply to the A800/2 and A100/2 amplifiers. TM 3. QBASS REMOTE : Plug in t
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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 labeled INPUTS. If your source unit doesn’t have RCA outputs, then 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. SOURCE Headunit eject 1 2 3 4 5 6 7 8 Trk 1 BASS TREBLE BALANCE TRACK PPI MAR KET ING DPT VOLUME LEFT RIGHT FOWAR
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QBASS PLUS SPECIFICATIONS Note: Not available on the model A500/2 amplifier. TM QBASS PLUS Up to 18dB of boost with selectable center frequency at 30Hz, 36Hz, 44Hz or 60Hz, with a Q-factor of 2. TM Optional QBASS REMOTE This boost control can be mounted in the dash and will supersede the boost control on the amplifier endplate. 16
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QBASS PLUS/QBASS REMOTE On A800/2, and A1000/2 amplifiers, we’ve taken bass control to a TM TM higher level with QBASS PLUS . The two QBASS switches (labeled 1 and 2) on the front end of the amplifier allow you to select one of four frequency centers 30Hz, 36Hz, 44Hz and 60Hz. On the TM rear end plate you will find the QBASS level control and plug-in for TM an optional QBASS REMOTE dash mounted level control. Adjust the level control clockwise for up to +18dB of boost at your selected frequency.
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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 octave phase correlated crossover built-in to provide superior system flexibility without the added expense and installation of an outboard crossover. The speaker outputs of your amplifier are high pass, low pass, or all-pass according to the HP/LP/FULL switch on the front endplate. You would choose low pass (middle position of switch) to use this amplifier for
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CROSSOVER DETENT CHART Low Pass High Pass Detent # Frequency (Hz) Frequency (Hz) @ -3dB @ -3dB 1 28 52 2 28 52 3 30 52 4 30 56 5 30 56 6 32 60 7 34 64 8 36 72 9 38 76 10 42 80 11 46 88 12 50 92 13 52 100 14 54 116 15 60 132 16 66 148 17 76 168 18 88 192 19 100 216 20 116 244 21 136 284 22 144 348 23 168 404 24 198 468 25 240 512 26 286 564 27 310 624 28 340 700 29 380 800 30 424 932 31 484 1036 32 576 1144 33 632 1300 34 748 1504 35 932 1812 36 1076 2196 37 1428 2840 38 1700 4116 39 2436 4540 40
