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Precision Power PC2400 - page 1
POWERCLASS ™ PC2400 / PC2600 / PC21400 OWNER’S MANUAL CONGRA TULA TIONS CONTENTS (clic k on a topic to view) FEA TURES / SPECIFICA TIONS QB ASS PLUS INST ALLA TION WIRING WIRING (continued) PO WER / GR OUND PO WER, GR OUND , and REMO TE REAR ENDPLA TE DIA GRAM INPUTS CROSSO VER/GAIN CONTROL THERMAL MANA GEMENT TROUBLE SHOO TING SYSTEM DIA GRAM ...
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Precision Power PC2400 - page 2
f or choosing Precision P o wer audio epuipment. At Precision P o wer we proudly design, engineer and manuf acture audio products at our f acility in Phoenix, Arizona. Our award winning engineering team utilizes inno v ativ e technology to consistently deliver Absolutely State of the Ar t TM perf or mance , sound quality , reliability , and value. ...
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Precision Power PC2400 - page 3
BACK TO CONTENTS FEA TURES / SPECIFICA TIONS 1 Adaptiv e MOSFET Switching P ower Supply Fully Complementar y T riple Darlington Output Stage AM IV Protection Circuitr y QB ASS PLUS ™ Bass Boost QB ASS REMO TE ™ Compatible Advanced Buss T echnology Forced Air Ther mal Management T wo-W ay 24dB/Octa ve Linkwitz-Rile y 90Hz Crossov er Crossov er L ...
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Precision Power PC2400 - page 4
BACK TO CONTENTS 2 QB ASS PLUS ™ Q B ASS PLUS ™ On PC2400, PC2600 and PC21400 amplifiers , we've taken bass control to a higher le vel with Q B ASS PLUS ™ . The two Q B ASS s witches (labeled 1 and 2) on the front end of the amplifier allo w you to select one of f our frequency centers - 30Hz, 36Hz, 44Hz and 60Hz. The Q SELECT s witch de ...
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Precision Power PC2400 - page 5
BACK TO CONTENTS 3 T ools/P arts needed for Installation (not supplied) Small flat blade scre wdriv er Phillips Screwdriv er (#2 or medium sized) Wire cutters Wire strippers 4 - #6 round head scre ws, and 1 - #8 sheet metal scre w (or nut, bolt, and star washer) 2 - Ring connectors (large enough to accommodate y our method of grounding) In-line fus ...
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Precision Power PC2400 - page 6
BACK TO CONTENTS The follo wing is a basic f or mula to be used as a guide to determine current dra w . A 50% amplifier efficiency rating is used as an a verage . Y our ne w POWER CLASS ™ amplifier is more efficient, other amplifiers will probab ly be less. This f or mula is to be used as a guideline . Using wire of a larger gauge can only improv ...
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Precision Power PC2400 - page 7
BACK TO CONTENTS Bef ore beginning, disconnect the negative (-) terminal of the batter y prior to working on the positive (+) terminal to prev ent a shor t to ground. This is impor tant, unless y ou want to spend the rest of your lif e with a nic kname lik e "Sparky ," or "Smoke y ." Reconnect the negative terminal only after al ...
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Precision Power PC2400 - page 8
BACK TO CONTENTS Grounding Locate an area near the amplifier(s) that is metal and clean an area about the size of a quar ter to bare metal. Inspect the area around and under neath to be sure y ou won't drill into wires, brak e or fuel lines, etc. Drill a pilot hole in the middle of this area. T er minate the ground wire with a ring connector a ...
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Precision Power PC2400 - page 9
BACK TO CONTENTS 7 PO WER / GROUND and REMO TE Once you ha v e run both the power and ground wires , it's time to connect the cables to the amplifier . Cut off e xcess wire and, using wire strippers, strip the ends of the power and g round cables appro ximately 1/4 inch. Locate the P ower Lock pow er and ground connector (supplied). With a sma ...
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Precision Power PC2400 - page 10
BACK TO CONTENTS - + POWER Des igne d a nd H andc raf ted in t he U.S. A. Q BASS 0 + 18 Q BASS REMOTE 8 ENDPLA TE DIA GRAM 2400 / 2600 / 21400 23 4 1 6 5 1. Q B ASS REMOTE ™ plug in Plug in the data cable from the optional Q B ASS REMO TE ™ dash mount le vel control here. (This will bypass the amplifier's on board Q BASS control) 2. COOLIN ...
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Precision Power PC2400 - page 11
BACK TO CONTENTS L- L+ REM R+ R- INPUTS OUTPUTS Q BASS GAIN XOVER ON/OFF HP/LP Q SELECT 4/2 L R R L 2 1 -12dB 9 ENDPLA TE DIA GRAM 2400 / 2600 / 21400 1. FRONT INPUTS Plug in the RCA leads from your head unit here (see page 11). 2. GAIN Use this control to match the output lev el of the head unit to the amplifier (see page 12). 3. HP/LP switch This ...
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Precision Power PC2400 - page 12
BACK TO CONTENTS Speak er/Remote P ower Lock Right Speaker negative Right Speaker positive Remote turn on Left Speaker positive Left Speaker negative Speaker Power Lock Connector 10 SPEAKER WIRING Bridging All two-channel POWER CLASS ™ amplifiers are capab le of being bridged into a 4 ohm mono output without s witches or bridging modules. This fe ...
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Precision Power PC2400 - page 13
BACK TO CONTENTS There are two sets of RCA jac ks on the front end of y our amplifier . The RCA cables from y our head unit go in the set labeled INPUTS. If y our head unit doesn't hav e RCA outputs don't worr y . Simply add a set of RCA plugs (a v ailable at y our dealer) to your front or rear set of speak er leads (see dr a wing below), ...
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Precision Power PC2400 - page 14
BACK TO CONTENTS CR OSSO VER and GAIN CONTR OL Crosso ver Y our ne w POWER CLASS ™ amplifier has a 90Hz f our th-order Linkwitz-Riley type , 24dB per octav e phase correlated crossov er b uilt in to provide system fle xibility without the added e xpense and installation of an outboard crossov er . The speaker outputs of your amplifier are high pa ...
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Precision Power PC2400 - page 15
BACK TO CONTENTS Heatsink Cooling The unique heatsink on your PO WER CLASS ™ amplifier has been designed with fins on the inside of the aluminum mass. This allows f or the transf er of heat from the circuitr y to the heatsink fins and out through the v ents in the endplates. Be sure y ou ha ve ample space around the amplifier f or cooling, at lea ...
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Precision Power PC2400 - page 16
BACK TO CONTENTS NO SOUND Is the LED lit? SOUND IN ONE CHANNEL ONL Y Re verse left and right speakers b y unplugging the speak er connector , turning it ov er and plugging it back in. 14 TR OUBLE SHOO TING SOUND IS NO W IN OPPOSITE CHANNEL Re v erse RCA inputs SOUND IS NO W IN OPPOSITE CHANNEL Re v erse RCAs at head unit SAME CHANNEL Problem is in ...
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Precision Power PC2400 - page 17
BACK TO CONTENTS 15 SYSTEM DIA GRAM ONE The ability to r un stereo speakers while sim ultaneously running a mono output from the same amplifier is accomplished b y running the stereo speakers normally and tapping into the appropriate wires f or the "mix ed mono" channel (left channel positive f or the positiv e speak er wire and right cha ...
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Precision Power PC2400 - page 18
BACK TO CONTENTS 16 SYSTEM DIA GRAM TWO eject VOLUM E BASS TR EBLE RIGHT LEFT BALAN CE TRACK REVER SE FOWAR D 1 2 3 4 8 7 6 5 PPI MAR KE T ING DPT Trk 1 S ou r ce Un i t S ub w oo f er S u b wo o fe r Pa ss i ve Cr os s ov er Pa ss i ve Cr os s ov er T we e te r T we e te r M id R an g e M id R an g e P O WE R C LA S S ™ A mp l if i er Hi gh Pa s ...
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Precision Power PC2400 - page 19
BACK TO CONTENTS SYSTEM DIA GRAM THREE Pa ss i ve Cr os s ov er Pa ss i ve Cr os s ov er T we e te r T we e te r M id R an g e Mi d R an g e eject VOLUM E BASS TR EBLE RIGHT LEFT BALAN CE TRACK REVER SE FOWAR D 1 2 3 4 8 7 6 5 PPI MAR KE T ING DPT Trk 1 P SC - 22 1 Ph a se Sh i f t C on t ro l P AR - 24 5 Pr e am p /E q u al i ze r S ub w oo f er S ...
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Precision Power PC2400 - page 20
BACK TO CONTENTS 18 SYSTEM DIA GRAM FOUR T we e te r eject VOLUM E BASS TR EBLE RIGHT LEFT BALAN CE TRACK REVER SE FOWAR D 1 2 3 4 8 7 6 5 PPI MAR KE T ING DPT Tr k 1 P AR - 24 5 Pr e am p /E q u al i ze r F RX - 45 6 Cr o ss o ve r S ub w oo f er S u b wo o fe r M id Ra n ge M id Ra n ge T we e te r P SC - 22 1 Ph a se Sh i f t C on t ro l Hi gh P ...
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Precision Power PC2400 - page 21
BACK TO CONTENTS 19 BLOCK DIA GRAM High Pass Low Pass High Pass Low Pass X-OVER ON/OFF HP/LP SELECT RCA Output RCA Output RCA Right Input DIF. DIF. RCA Left Input - 12dB INPUT ATTENUATION Right Left mute AMP gain mute AMP gain 90Hz 90Hz mute mute 24dB / octave 24dB / octave Q BASS PLUS ™ optional Q BASS REMOTE ™ ...
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Precision Power PC2400 - page 22
BACK TO CONTENTS PO WERCLASS ADDENDUM 1 20 Hz 2 21 Hz 3 21 Hz 4 21.5 Hz 5 22 Hz 6 23 Hz 7 24.5 Hz 8 26 Hz 9 27.5 Hz 10 30 Hz 11 32 Hz 12 35 Hz 13 39 Hz 14 43 Hz 15 49 Hz 16 56 Hz 17 64 Hz 18 73 Hz 19 80 Hz 20 88 Hz 21 100 Hz 22 114 Hz 23 134 Hz 24 160 Hz 25 196 Hz 26 260 Hz 27 320 Hz 28 368 Hz 29 432 Hz 30 496 Hz 31 608 Hz 32 752 Hz 33 864 Hz 34 10 ...
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Precision Power PC2400 - page 23
W ARRANTY Three-Y ear Limited U.S.A. W arranty This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Precision P ower warrants its products to be free from def ects in materials and workmanship under normal use and service for a period of three (3) years from the date of original purchase ...
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