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TABLE OF CONTENTS Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 QBASS PLUS Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Spec
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FEATURES New! Advanced Instrumentation Input Stage. New! 24dB/Octave; HP/LP/FULL; 30-4kHz Crossover. New! Independent Line Output Crossover 30-4kHz PWM Power Supply Triple Darlington Output Stage. AP-IV Protection Circuity TM QBASS Bass Boost High Voltage Input Capability with -12dB Attention Switch. Gold Plated RCA Input and Output Connectors. TM PowerLock Speaker and Power Wire Connectors. 2 Yr Warranty; if installed by an Authorized PrecisionPower Dealer. QBASS PLUS SPECIFICATIONS TM QBASS PL
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SPECIFICATIONS Power Ratings MODEL 4ohm MONO 2ohm MONO 1ohm MONO DCX 500.1 1 X 200 1 X 300 1 X 500 DCX 1000.1 1 X 400 1 X 600 1 X 1000 DCX 1500.1 1 X 500 1 X 1000 1 X 1500 All power ratings given above are tested at 12.5V; 4 ohms; 20Hz - 200Hz. General Specifications Conversion Efficiency >80% @4 ohms Frequency Response 20Hz - 200Hz +0, -1dB Total Harmonic Distortion <0.02% S/N Ratio >80dB Input Sensitivity 200mv - 5 Volts RMS Phase Adjust 0–180°, selectable switch RCA Output Jacks HP/LP/Full; 3
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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 3 4 SHORT PROTECT THERMAL PROTECT POWER CLIP OUT 1 2 The LEDs provide the following indications: 1. Power - This LED illuminates RED when the amplifier power is turned on with the remote input (output muted). After a short time delay this LED will turn GREEN (amplifier ready). 2. Clip Output - This LED illuminates RED on the peaks of the output signal when the peaks are too high. This clipping causes audible distortion in the speakers. 3. Short - This LED illuminates RED on
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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 power connector is inserted into the amplifier with the wire clamping screws in the up position as shown below. The two negative outputs are common to each other as the two positive outputs. A speaker may be connected to either terminal. GROUND WIRING Locate an area near the amplifier(s) that is metal and clean an area about the size of a quarter down to bare metal. Inspect the area around and underneath to be sure you will not drill into wires, brake or fuel lines, etc. Drill a pilot
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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. You should also check the condition and current capacity of the stock battery negative cable and connections, and replace or upgrade as necessary. Keep in mind that your amplifiers simply convert electrical energy to acoustical energy, and any electrical deficiency will compromise the performanc
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If the same amplifier is driven into a 2 ohm stereo or 4 ohm mono load, double it’s 4 ohm RMS rating. All DCX amplifiers will effectively double their power at this load. 500W X 1.5 X2 = 1500 watts 1500W = 125 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 recommended dependent on the application. The
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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). With a small flat blade screwdriver, loosen the screws before attempting to insert the cable wires. Insert the wires into the appropriate hole, and tighten the screws. Once the wires are TM secure, the Pow
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DCX-500.1, 1000.1, 1500.1 FRONT PLATE DIAGRAMS 14 13 12 11 10 DCX500.1, 1000.1, 1500.1 Front Panel R R PHASE ATT OUTPUT XOVER 0° 180° -12dB XOVER 1 2 LP MIN MAX 20 100 L 30 4k 30 250 L REM OUTPUT FREQ FULL HP LPF QBASS QBASS INPUT GAIN FULL HP HPF 1 7 8 9 2 3 4 5 6 1. Cooling Plenums: Maintain a minimum 2” clearance around cooling plenums for proper amplifier cooling. TM 2. Speaker/Remote Connector: Plug in the PowerLock connector here.
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12. -12dB Input Attenuation: Push this switch ‘IN’ for high voltage (4V-12V) capability. This button pushed ‘IN’ must be used for speaker level input on common ground head-units or for high voltage line drivers. 13. Phase: Adjust the phase of the output relative to the amplifier input. 14. RCA Outputs: RCA outputs provide HP/LP/FULL 30-4kHz signal to another amplifier. DCX-500.1, 1000.1, 1500.1 END PLATE DIAGRAMS 1 2 3 4 DCX500.1 Rear Panel QBASS QBASS REMOTE 0 +16 1 1 2 3 4 DCX1000.1,
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TM 3. QBASS Level Control: Controls bass boost, centered at 40Hz with up to 18dB of boost. 4. Cooling Plenums: Maintain a minimum 2” clearance around cooling plenums for proper amplifier cooling. 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
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ADVANCED INSTRUMENTATION INPUT The Advanced Instrumentation Input has been incorporated from TM the legendary PrecisionPower 2500F1. This circuit completely isolates the chassis ground from the audio circuit of the amplifier and reduces noise radiated into your signal cables by up to 40dB. This is equivalent to a noise reduction of approximately one hundred times what the noise level would be without this circuitry. It provides all the benefits of a true balanced line without the need of any spe
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QBASS PLUS/QBASS REMOTE On DCX 500.1, DCX 1000.1, and DCX 1500.1 amplifiers, we’ve TM taken bass control to a higher level with QBASS PLUS . The two TM 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 TM and 60Hz. On the rear end plate you will find the QBASS level TM control and plug-in for an optional QBASS REMOTE dash mounted level control. Adjust the level control clockwise for up to +18dB of boost at your s
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TC-X CROSSOVER Your new DCX 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 amplifie
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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
