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Table of Contents
Related Manuals for Precision Power DCX 600.4
Summary of Contents for Precision Power DCX 600.4
- Page 1 AMPLIFIER MODELS DCX 300.4 DCX 600.4 DCX 800.5 DCX 1000.4...
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Page 2: Table Of Contents
DCX 300.4 End Plate Diagram ......14 DCX 600.4 and DCX 1000.4 Front Plate Diagram ...15 DCX 800.5 Front Plate Diagram . -
Page 3: Congratulations
CONGRATULATIONS Thank you for choosing PrecisionPower 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, and value. This PrecisionPower product reflects our commitment to offer you unparalleled performance and quality for years of dependable service and listening enjoyment. -
Page 4: Features
FEATURES Advanced Instrumentation Input Stage TC-X Crossover 12dB/Octave; HP/LP/FULL; 30-4kHz Crossover Adaptive PWM Power Supply (DCX 300.4, DCX 600.4, DCX 800.5) AP-IV Protection Circuity Fully Regulated PWM Power Supply (DCX 1000.4) Fully Complementary Darlington Output Stage Forced Air Thermal Management (DCX 1000.4) QBASS Bass Boost (DCX 300.4) -
Page 5: Fuse Requirements
DCX 1000.4 DCX 800.5 Up to +18dB @ 40Hz Up to +18dB Boost @30, 36, 44, or 60Hz 12dB/Octave 30-4kHz DCX 300.4 2 Amps DCX 600.4 2.5 Amps DCX 1000.4 3 Amps DCX 800.5 2.5 Amps Width Height 10-½” 2-¾” 10-½”... -
Page 6: Amplifier Status Leds
AMPLIFIER STATUS LEDS SHORT PROTECT THERMAL PROTECT POWER CLIP OUT 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). -
Page 7: Qbass/Qbass Plus Specifications
Up to 18dB of boost centered at 40Hz, with a Q-factor of 2. QBASS PLUS ( DCX 600.4, 1000.4, 800.5 ) Up to 18dB of boost with selectable center frequency at 30Hz, 36Hz, 44Hz or 60Hz, with a Q-factor of 2. -
Page 8: Wiring
WIRING Before beginning, disconnect the negative (-) terminal of the battery prior to connecting the amplifier to the positive (+) 12V terminal to prevent a short to ground and potential damage to wiring and equipment. Some vehicle radios have an anti-theft feature where when the radio is removed from 12V the radio will no longer function and must be code reset. - Page 9 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-on PowerLock screws on the underside of the connector. Insert the speaker leads into the end.
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Page 10: Ground Wiring
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. -
Page 11: Current Draw
CURRENT DRAW The following is a basic formula to be used as a guide to determine current draw. Your new DCX amplifier is more efficient than most other amplifiers. 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 12: Power Wire Size
Once the wires are secure, the PowerLock Power/Ground PowerLock DCX 300.2 and DCX 600.4 , and 4 gauge wire for the DCX 800.5 and DCX 1000.4 . AMPLIFIER BRIDGING Pairs of channels in DCX multi-channel amplifiers are capable of... -
Page 13: Mixed Mono Output
modules. This feature permits the creation of a mono channel for a suitable subwoofer or center channel. Deriving the mono channel is accomplished by using the Left Channel Positive wire (L+) as the positive speaker wire and the Right Channel Negative wire (R-) as the negative speaker wire. -
Page 14: Dcx 300.4 Front Plate Diagram
DCX 300.4 FRONT PLATE DIAGRAM DCX 300.4 Front Panel FREQ REAR FULL FULL FULL OUTPUTS SOURCE BRIDGED BRIDGED 1. Cooling Plenums: Maintain a minimum 2” clearance around cooling plenums for proper amplifier cooling. 2. Rear Speaker Connector: Plug in the PowerLock here. -
Page 15: Dcx 300.4 End Plate Diagram
to use the internal signal path from the front crossover for the rear input, or the EXT position to use the external rear RCA input. 13. Source HP/LP/FULL Switch: Select the desired setting. HP/LP/FULL for the internal signal from the front channel to the rear channel when not using an external rear RCA input. -
Page 16: Dcx 600.4 And Dcx 1000.4 Front Plate Diagram
2. Cooling Plenums: Maintain a minimum 2” clearance around cooling plenums for proper amplifier cooling. DCX 600.4 AND DCX 1000.4 FRONT PLATE DIAGRAM DCX 600.4 DCX 1000.4 Front Panel FREQ REAR FULL FULL FULL OUTPUTS SOURCE BRIDGED BRIDGED 1. Cooling Plenums: Maintain a minimum 2” clearance around cooling plenums for proper amplifier cooling. - Page 17 setting. HP/LP/FULL for the speaker output signal of the front channel. 13. Rear Source INT/EXT Switch: Select the INT position (switch in) if you want to use the internal signal path from the front crossover for the rear input, or the EXT position (switch out) to use the external rear RCA input.
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Page 18: Dcx 800.5 Front Plate Diagram
DCX 800.5 FRONT PLATE DIAGRAM DCX 800.5 Front Panel FREQ GAIN FREQ FULL/LP/HP FULL/LP/HP SOURCE BRIDGED 1. Cooling Plenums: Maintain a minimum 2” clearance around cooling plenums for proper amplifier cooling. 2. Sub Speaker Connector: Plug in the PowerLock here. 3. - Page 19 12. Front HP/LP/FULL Switch: Select the desired crossover setting. HP/LP/FULL for the speaker output signal of the front channel. 13. Rear Input INT/EXT Switch: Select the INT position if you want to use the internal signal path from the front crossover for the rear input, or the EXT position to use the external rear RCA input.
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Page 20: Dcx 600.4, Dcx 800.5, Dcx 1000.4 End Plate Diagram
DCX 600.4, DCX 800.5, DCX 1000.4 END PLATE DIAGRAM DCX 600.4, 800.5, 1000.4 Rear Panel 1. Power/Ground PowerLock connected your power and ground wires, plug in the Power/Ground PowerLock connector here. 2. QBASS REMOTE : Plug in the data cable from the optional QBASS REMOTE dash mounted level control here. -
Page 21: Dcx 300.4, 600.4, 1000.4 Block Diagram
DCX 300.4, 600.4, 1000.4 BLOCK DIAGRAM INPUT ATTENUATION INPUT ATTENUATION... -
Page 22: Dcx 800.5 Block Diagram
DCX 800.5 BLOCK DIAGRAM... -
Page 23: Advanced Instrumentation Input
ADVANCED INSTRUMENTATION INPUT The Advanced Instrumentation Input has been incorporated from the legendary PrecisionPower 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. -
Page 24: Qbass Plus
QBASS PLUS On DCX 600.4 , DCX 800.5 , and DCX 1000.4 amplifiers, we’ve taken bass control to a higher level with QBASS PLUS 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. - Page 25 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.
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Page 26: Crossover Detent Chart
CROSSOVER DETENT CHART Detent # Low Pass High Pass Frequency (Hz) Frequency (Hz) @ -3dB @ -3dB 1036 1144 1300 1504 1812 1076 2196 1428 2840 1700 4116 2436 4540 2830 4728 2980 4728... -
Page 27: Input Combine
INPUT COMBINE Your multi-channel DCX amplifier can use both front and rear outputs from your head unit to maintain the ability to fade front to rear, or you can run a single set of RCAs to the front inputs and push in the Rear Input INT/EXT switch on the amplifier endplate to route the front signal to the rear channels as well. -
Page 28: Ap-Iv Protection Circuit
through the lower intake vents on the endplate. This cool air flows below the circuit board, through the fan and across the internal fins, cooling the heatsink. The warm air is then forced out through the upper end-plate exhaust vents. AP-IV PROTECTION CIRCUIT Short Circuit Protection engaged: The DCX amplifiers will turn off and try to come back on immediately (the Short RED LED will... -
Page 29: Troubleshooting
TROUBLESHOOTING NO SOUND Is the LED illuminated? STILL NO SOUND See your Authorized PrecisionPower SOUND IN ONE CHANNEL ONLY Reverse the left and right speakers by unplugging the speaker connector, turning it over and plugging it back in. SOUND IS NOW IN OPPOSITE CHANNEL Reverse RCA inputs. - Page 30 LIMITED TWO YEAR CONSUMER WARRANTY: Directed Electronics, Inc. promises to the original purchaser, to replace this product should it prove to be defective in workmanship or material under normal use, for a period of two years from the date of purchase by the dealer as indicated by the date code marking of the product PROVIDED the product was installed by an authorized Directed dealer.