TM
POWER
CLASS
PC6800
Owners Manual
CONTENTS
(Click on a topic to view)
Congratulations Crossover Settings
Features / Specifications Inputs
QBASS PLUS
Installation Input, Combine, and Gain
Wiring Troubleshooting
Wiring (continued) Troubleshooting
Power / Ground System Diagram 1
Power, Ground and Remote System Diagram 2
Speaker Wiring System Diagram 3
Bridging System Diagram 4
Endplate Diagram System Diagram 5
Controls Diagram 1 Block Diagram
TM
Crossover Operation
Controls Diagram 2 Warranty
Congratulations and thank you.....
for choosing
proudly design, engineer and manufacture audio products at our facility in
Phoenix, Arizona. Our award winning engineering team utilizes innovative
technology to consistently deliver Absolutely State of the Art
sound quality, reliability, and value. This
our commitment to offer you unparalleled versatility and quality for years of
dependable service and listening enjoyment.
PrecisionPower
audio epuipment. At
PrecisionPower
PrecisionPower
TM
performance,
product reflects
we
S er vice
Do not attempt to service
Performing exploratory surgery on your audio equipment yourself
will void the warranty. Many parts of your
are custom built to our specifications. Our factory parts are not
made available to anyone else nor are they for sale. Our goal
is to make sure that your
sound as good as the day it was purchased. Contact your
authorized
service through
PrecisionPower
PrecisionPower
PrecisionPower
PrecisionPower
dealer about obtaining any warranty
.(See Warranty inside back cover)
products yourself.
PrecisionPower
product will always
gear
FOR YOUR RECORDS:
Model
Serial Number
Purchase Date
C aution!
The extended use of a high powered audio system may
result in hearing loss or damage. While
systems are capable of
incredible accuracy, they are also designed for you to
enjoy at more reasonable levels all of the sonic subtleties
created by musicians. Please observe all local sound
ordinances.
"Concert Level"
PrecisionPower
volumes with
BACK T O CONTENTS
PWM Switching Power Supply
Fully Complementary Triple Darlington Output Stage
AM IV
Protection Circuitry
QBASS PLUS
QBASS REMOTE
PowerLock
Variable, 6-Way Internal Crossover
Non-Fading Sub Channels
Balanced Differential Input Stage
High Voltage Input Capability with Input Attenuation Switch
Gold Plated RCA Input and Output Connectors
Mixed Mono/Stereo Operation
Multiple System Configuration
PSC-221 Input Switching
Three Year Warranty when installed by an Authorized
PrecisionPower
Completely Designed And Handcrafted In The USA
Specifications
Power Bandwidth: 4.5 Hz - 100 kHz
Total Harmonic Distortion: 0.02 %
Input Topology: Differential
Input Sensitivity: 150mv - 12 volts RMS
Input Impedance: 10k Ohms
Load Impedance (stereo) 2 - 8 Ohms
Load Impedance (bridged) 4 - 8 Ohms (Channels 1-4)
Load Impedance (bridged) 2 - 8 Ohms (Channels 5-6)
Supply Voltage 11 - 15 volts
Damping Factor >500
Slew Rate >50 V/µS
Idle Current: 2.25 Amps
FEATURES / SPECIFICATIONS
™
™
Compatible
Speaker and Power Wire Connectors
Dealer
Continuous Output Power
CHANNELS 1/2
50 WRMS x 2 @ 4Ω per channel
100 WRMS x 2 @ 2Ω per channel
200 WRMS x 1 @ 4Ω bridged
CHANNELS 3/4
50 WRMS x 2 @ 4Ω per channel
100 WRMS x 2 @ 2Ω per channel
200 WRMS x 1 @ 4Ω bridged
CHANNELS 5/6
50 WRMS x 2 @ 4Ω per channel
100 WRMS x 2 @ 2Ω per channel
200 WRMS x 2 @ 1Ω per channel
200 WRMS x 1 @ 4Ω bridged
400 WRMS x 1 @ 2Ω bridged
1
Dimensions
Length - 25.25"
Height - 2.25"
Width - 8.9"
BACK T O CONTENTS
QBASS PLUS
™
QBASS PLUS
On
POWERCLASS
a higher level with
switches (labeled 1 and 2) on the front end of the amplifier
allow you to select one of four frequency centers - 30 Hz,
36 Hz, 44 Hz and 60 Hz. The Q SELECT switch determines
the width of boosted frequencies. A 'Q' of 2 (switch out)
will give you a wide boost while a 'Q' of 4 will boost a
narrow range of frequencies (See chart below). On the
rear end panel you will find the
the plug-in for an optional
mounted level control. Adjust the level control clockwise
for up to 18dB of boost at your selected frequency and Q.
QBASS™
1 2 Freq.
IN IN 30Hz
IN OUT 36Hz
OUT IN 44Hz
OUT OUT 60Hz
Settings
Optional
Q
BASS REMOTE
This boost control can be mounted
in the dash and will supersede the
boost control on the endplate.
Optional
Q
PORT
module allows one boost control
to operate multiple amplifiers. Each
Q
PORT
™
has outputs for four amplifiers
as well as another
expansion. See your Authorized
Dealer for more information!
™
™
amplifiers, we've taken bass control to
Q
BASS PLUS
Q
Q = 4
+18dB
+12dB
+6dB
0dB
™
™
expansion
Q
PORT
™
for greater
™
. The two
Q
BASS
level control and
BASS REMOTE
Q
BASS PLUS
Q = 2
30Hz
36Hz
BASS REMOTE
Q
QBASS
™
0
+18
Q
BASS
™
dash
™
44Hz
Designed and handcrafted in the USA
60Hz
™
PrecisionPower
Crossover Specifications
PC PRO 6800
Linkwitz-Riley crossover topology used throughout.
High Pass (Channels 1/2, 12dB/Octave stereo) Fully Variable 20 Hz - 20 KHz.
Band Pass (Channels 3/4, 12dB/Octave stereo) Fully V ariable 20 Hz - 20 KHz.
Sub or Band Pass Channels 5/6, (24dB/Octave mono Fully V ariable 50 Hz - 500 Hz
Lowpass or 12dB/Octave stereo 20 Hz - 20 KHz Bandpass).
Sub or Band Pass RCA outputs will be the opposite of Channels 5/6 Crossover.
Q
BASS PLUS
CAUTION:
subwoofers. 18dB is a lot of bass boost and could damage full range speakers.
™ on Lowpass assigned to Channels 5/6 or RCA OUTPUT.
Q
BASS PLUS
™
should only be used in systems with strong
2
BACK T O CONTENTS
INSTALLATION
Tools/Parts needed for Installation (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, and star washer)
2 - Ring connectors (large enough to accommodate your
method of grounding)
In-line fuse or circuit breaker - see fuse chart below
Power and ground wire - see Power Wire Calculator on page 3
Speaker wire - 16 gauge or larger
Grommets (sized to work with the power wire you plan to use
in your installation)
Tube of silicone sealant
Fuse requirements
Amplifier Maximum Fuse Rating
Pro6800
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 vehic le from fire in case the po wer
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 power distribution block near your
amplifiers to keep the wiring tidy.
3
80 Amp
BACK T O CONTENTS
WIRING
The following is a basic formula to be used as a guide to determine current
draw. A 50% amplifier efficiency rating is used as an average. Your new
POWERCLASS
be less. This formula is to be used as a guideline. Using wire of a larger
gauge can only improve the current transfer of your system. Do not use
smaller gauge wire.
Total RMS output x 2 = Total Input Wattage
™
amplifier is more efficient, other amplifiers will probably
Total Input Wattage
Supply Voltage
Example: A
POWERCLASS
= Current Draw (in Amps)
™
watts RMS per channel into 4 Ohms (50 x 6 = 300). You would use the
formula in the following way:
300W x 2 = 600W
600W
= 50A 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. All
double their power at this load.
300W x 2 x 2 = 1200W
1200W
= 100A 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 Calculator
Recommended MINIMUM Gauge
Pro6800
amplifier has six channels at 50
POWERCLASS
™
amplifiers will effectively
Total Current Draw Length Of Wire To Be Run
( in Amps) Up to 4ft. 4 to 7ft. 7 to 10ft. 10 to 13ft. 13 to 16ft. 16 to 19ft. 19 to 22ft. 22 to 28ft.
0-20 14 12 12 10 10 8 8 8
20-35 12 10 8 8 6 6 6 4
35-50 10 8 8 6 6 4 4 4
50-65 8 8 6 4 4 4 4 2
65-85 6 6 4 4 2 2 2 0
85-105 6 6 4 2 2 2 2 0
105-125 4 4 4 2 2 0 0 0
125-150 2 2 2 2 0 0 0 00
(
NOTE: The ground wire should be the same gauge as the power wire.
4
BACK T O CONTENTS
WIRING
Before beginning, disconnect the negative (-) terminal of the
battery prior to working on the positive (+) terminal to prevent
a short to ground. This is important, unless you want to spend
the rest of your life with a nickname like
"Sparky,"
Reconnect the negative terminal only after all connections have
been made.
Factory Ground wire may
need to be replaced if it is
frayed or broken.
Run signal cables (RCAs)
and remote turn-on lead
down the opposite side of
the vehicle of the power
wire to avoid radiated noise.
eject
123
4
Trk 1
5
876
BASS
TREBLE
MARKET
PPI
INGDPT
BALANCE
TRACK
VOLUME
RIGHT
FOWARD
REVERSE
LEFT
or
Positive
Battery
Terminal
Fuse must be
installed within
18" of battery
Drill a hole in the firewall
and use a rubber grommet
to keep wire from shorting.
"Smokey."
Avoid sharp edges that
could chafe through the
insulation.
Warning!
Run the cables under the
carpet near the side of the
vehicle. Be careful not to
drill or screw into the wires
when you replace the trim.
For systems over 300 watts,
add a ground cable from the
amp to the battery
(see page 6).
Firmly attach Amp
Ground Wire to solid
metal (see page 6).
Fuse must be installed within 18" of battery
5
BACK T O CONTENTS
Grounding
Locate an area near the amplifier(s) that is metal and clean
an area about the size of a quarter to bare metal. Inspect the
area around and underneath to be sure you won't drill into wires,
brake or fuel lines, etc. Drill a pilot hole in the middle of this
area. T erminate the ground wire with a ring connector and attach
it to the bare metal using a #8 sheet metal screw and washer
or preferably, a bolt, nut and a star washer (not supplied). We
suggest crimping and soldering this connection. After the
connection is complete, coat the area (on both sides) with
silicone or some similar material to prevent rust from
developing on the bare metal.
If your grand total current draw is over 50 amps (or total output
power is over 300watts), you should run a ground wire beside
your power wire from the battery to the amplifier(s) in addition
to your regular ground wire. Keep the ground and power 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.
POWER / GROUND
Charging System Considerations
If your grand total current draw is over 100 amps (or total output
power is over 600watts), 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 go to multiple batteries), or both.
Keep in mind that your amplifiers simply convert electrical
energy to acoustical energy, and any electrical deficiency will
compromise the performance of your sound system.
For more information about charging system upgrades, see
your local authorized
PrecisionPower
PrecisionPower
technical support at:
6
Dealer or call
1-800-62POWER
BACK T O CONTENTS
.
POWER / GROUND and REMOTE
Fastening screws
Once you have run both the power and ground wires, it's time
to connect the cables to the amplifier . Cut off excess wire and,
using wire strippers, strip the ends of the power and ground
cables approximately 1/4 inch. Locate the
PowerLock
power
and ground connector (supplied). With a small flat bladed screw
driver, loosen the screws before attempting to insert the cables.
Insert the wires into the appropriate hole, and tighten the
screws. Once the wires are secure, the
plugged into the amplifier . The Power/Ground
accommodate 4 gauge wire for the
PowerLock
Pro6800
may be
Po werLoc k
.
will
Power/Ground
PowerLock
Power wires
Connect to Amplifier
7
BACK T O CONTENTS
SPEAKER WIRING
Using 16 gauge 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-on
PowerLoc k
connector . Loosen the
four outer screws on top of the connector and insert the
Channels 5/6 speaker leads into the end. Check to be sure
you've maintained proper polarity before securing each wire.
Speaker
Power
Lock
Connector
Right Speaker negative
Right Speaker positive
Remote turn on
Left Speaker positive
Left Speaker negative
Speaker
Power
Lock
Connector
Right Speaker negative
Right Speaker positive
Left Speaker positive
Left Speaker negative
Speaker/Remote
Po werLock
For the front and rear channels, locate the four terminal speaker
PowerLoc k
Amplifier, all speaker
connectors. On your new
PowerLocks
plug into the amplifier with
Pro6800
PowerClass
the screws facing up. Loosen the screws on the top of the blocks
and insert the stripped ends of the speaker wires into the end.
Double check polarity, secure each wire by tightening the
screws, and plug the
PowerLock
connector into the amplifier
with the screws on top.
8
BACK T O CONTENTS
Bridging
BRIDGING
Any or all pairs of channels (1/2, 3/4 or 5/6) on your
POWERCLASS
™
multi channel amplifier are capable of being
bridged into a 4 ohm mono output without switches or bridging
modules (2 ohm mono on Channels 5/6). This feature permits
the creation of a mono channel for a subwoofer or center
channel.
Deriving the mono channel is accomplished by using the left
channel positive wire of the pair as the positive speaker wire
and the right channel negative wire as the negative speaker
wire. You should always be working with the wires of a single
POWERLOCK
speaker connector when bridging a pair of
channels.
NOTE: It is important that a minimum 4 ohm impedance is
observed (2 ohm mono on Channels 5/6). If the impedance
drops significantly below 4 ohms while the amplifier is wired
in the bridged configuration, the amplifier's protection
circuitry may engage.
Mixed Mono Output
The ability to run stereo speakers while simultaneously running
a mono output from the same channel pair is accomplished by
running the stereo speakers normally and tapping into the
appropriate wires for the "mixed mono" channel (left channel
positive for the positive speaker wire and right channel negative
for the negative speaker wire). Total speaker impedance should
be no lower than 2 ohms on the stereo channels and 4 ohms
on the mono channel.
NOTE: Passive crossovers must be used for "mixed mono"
operation. Choose a low pass crossover around 100Hz for
your subwoofer, then choose a high pass crossover for your
stereo channels. The high pass crossover must be at the same
or slightly higher frequency than the low pass crossover to
maintain the correct impedance. See your
dealer or call
1-800-62POWER
for more information about
PrecisionPower
passive crossovers.
9
BACK T O CONTENTS
ENDPLATE DIAGRAM
1. Q SELECT 4/2
Push this button in for a Q setting of 4 and out for a setting of 2.
2.
Q
BASS
1
3.
Use this switch with the
Q
BASS
2
Use this switch with the
Q
BASS
Q
BASS
4. COOLING VENTS (see page 16).
5. SPEAKER/REMOTE CONNECTOR
After connecting remote and speaker wires, plug in the
connectors here (see pages 7-9).
6. -12dB
For use with high level inputs (4V up to 12V). Push this switch
in to attenuate the input by 12dB (see page 14).
7. INPUTS A
Plug in the Front RCA leads from your head unit here (see page 14 & 16).
8. INPUTS B
Plug in the Rear RCA leads from your head unit here (see page 14 & 16).
9. OUTPUTS
Left and Right RCA outputs provide band pass or mono low pass signal to another amplifier.
10. POWER / MUTE indicator
A green light indicates that the amplifier is on, a red light indicates that the amplifier's
muting circuits have been engaged by an
Q
BASS
™
Level
11.
Turn this control clockwise to boost the
12.
Q
BASS REMOTE
™ plug in
Plug in the data cable from the optional
(This will bypass the amplifier's on board
13. POWER / GROUND
POWERLOCK
After you have securely connected your power and ground wires, plug in the
Power / Ground
1
POWERLOCK
3
2
Pro6800
2 to program the
1 to program the
ACM-420
Q
BASS PLUS
Q
BASS REMOTE
Q
BASS
connector here.
Q
BASS PLUS
Q
BASS PLUS
PowerLock
.
™
circuit by up to 18dB.
™
™
control)
dash mount level control here.
™
circuit. (see page 2).
™
circuit. (see page 2).
54
Q SELECT 4/2
-12dB
PC PRO 650 12/13/96
CHANNELS 1 / 2
INPUTS
A
L R
+18
REMOTE
L- L+ R+ R-
7 8 9
QBASS
12
1
2
Q
BASS
6
QBASS
0
11
CHANNELS 3 / 4
L- L+ R+ R-
L RL R
Designed and Handcrafted in the U.S.A.
CHANNEL 5 / 6
L- L+ REM R+ R-
POWER / MUTE
+
-
13
INPUTS B
OUTPUTS
4
10
10
BACK T O CONTENTS
CONTROLS DIAGRAM
X10
X10
Highpass and Lowpass crossover adjustments
and GAIN controls for CHANNEL 3/4 allow for
either Highpass, Bandpass or Lowpass.
When LP/BP switch is 'OUT', Bandpass crossover
adjustment (Channels 5/6, 12dB/octave) is the same
as Channels 3/4 and Lowpass goes to RCA OUTPUTS.
OR
When LP/BP switch is pressed in Channel 5/6 will be Lowpass
(24dB/octave) and RCA OUTPUTS are Bandpassed.
COMBINE switch:
Switch pushed 'IN' connects the rear
channels to the Inputs A.
Switch 'OUT' allows front-to-rear fading.
COMBINE
LP / BP
X10
X10
X10
20Hz-2K
50Hz-500Hz
200Hz-20K
200Hz-20K
200Hz-20K
CHANNEL 1 / 2 GAIN
CHANNEL 3 / 4 GAIN
CHANNEL 5 / 6 GAIN
X10
200Hz-20K
X10
200Hz-20K
24dB
12dB
PSC
20Hz-2K
20Hz-2K
12dB
12dB
20Hz-2K
20Hz-2K
12dB
12dB
Highpass crossover adjustment (12dB/octave) and GAIN control for CHANNELS 1/2
PSC:
Push this switch "IN"
to use a PSC-221
on channels 3/4.
(COMBINE switch out)
ONE
11
BACK T O CONTENTS
CONTROLS DIAGRAM
COMBINE
LP / BP
X10
X10
X10
20Hz-2K
50Hz-500Hz
200Hz-20K
200Hz-20K
200Hz-20K
CHANNEL 1 / 2 GAIN
CHANNEL 3 / 4 GAIN
CHANNEL 5 / 6 GAIN
X10
200Hz-20K
X10
200Hz-20K
24dB
12dB
PSC
20Hz-2K
20Hz-2K
12dB
12dB
20Hz-2K
20Hz-2K
12dB
12dB
Settings For A Basic 3 Way System plus Sub Output
Example Crossover Points: Tweeters / Mid - 4 KHz
Mid / Midbass - 521 Hz
Midbass / Sub - 70 Hz
20 Hz
70 Hz
20 KHz
Resulting frequency response at speaker outputs
521 Hz
4 KHz
Mid Bass
Mid Range
Tweeters
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1
Count 31 "clicks" starting from 1
to get to 4 KHz
Count 14 "clicks"
starting from 1
to get to 521 Hz
Count 16 "clicks"
starting from 1
to get to 70 Hz
Switch Pushed
"IN"
Switch Pushed
"IN"
Switch Pushed
"OUT"
Switch Pushed
"IN"
Switch Pushed
"IN"
Switch Pushed
"OUT"
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Count 31 "clicks" starting
from 1 to get to 4 KHz
Count 14 "clicks" starting
from 1 to get to 521 Hz
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Count 9 "clicks" starting
from 1 to get to 73 Hz
SUB
(RCA outputs)
TWO
12
BACK T O CONTENTS
CROSSOVER SETTINGS
All
12dB
HighPass
/octave
and
20Hz - 21KHz
BandPass
Position X1-Out X10 - In
1 20 Hz 220 Hz
2 20 Hz 220 Hz
3 20 Hz 220 Hz
4 20 Hz 220 Hz
5 21 Hz 222 Hz
6 22 Hz 240 Hz
7 23 Hz 255 Hz
8 25 Hz 276 Hz
9 28 Hz 299 Hz
10 31 Hz 324 Hz
11 34 Hz 360 Hz
12 38 Hz 401 Hz
13 43 Hz 452 Hz
14 50 Hz 521 Hz
15 59 Hz 609 Hz
16 70 Hz 712 Hz
17 80 Hz 836 Hz
18 87 Hz 916 Hz
19 94 Hz 976 Hz
20 99 Hz 1.04 KHz
21 107 Hz 1.12 KHz
22 117 Hz 1.21 KHz
23 128 Hz 1.30 KHz
24 140 Hz 1.42 KHz
25 155 Hz 1.59 KHz
26 173 Hz 1.77 KHz
27 193 Hz 2.00 KHz
28 220 Hz 2.28 KHz
29 255 Hz 2.67 KHz
30 310 Hz 3.17 KHz
31 385 Hz 4.00 KHz
32 492 Hz 5.11 KHz
33 608 Hz 6.50 KHz
34 744 Hz 8.10 KHz
35 936 Hz 10.04 KHz
36 1.19 KHz 12.75 KHz
37 1.45 KHz 15.45 KHz
38 1.77 KHz 18.45 KHz
39 2.08 KHz 20.00 KHz
40 2.10 KHz 21.00 KHz
41 2.10 KHz 21.00 KHz
24dB
/octave
mono LowPass
Position Frequency
1 52 Hz
2 52 Hz
3 54 Hz
4 56 Hz
5 56 Hz
6 60 Hz
7 64 Hz
8 68 Hz
9 73 Hz
10 78 Hz
11 85 Hz
12 92 Hz
13 102 Hz
14 113 Hz
15 127 Hz
16 144 Hz
17 158 Hz
18 168 Hz
19 175 Hz
20 183 Hz
21 191 Hz
22 200 Hz
23 210 Hz
24 221 Hz
25 234 Hz
26 246 Hz
27 260 Hz
28 277 Hz
29 295 Hz
30 315 Hz
31 337 Hz
32 362 Hz
33 382 Hz
34 396 Hz
35 410 Hz
36 422 Hz
37 431 Hz
38 438 Hz
39 444 Hz
40 450 Hz
41 450 Hz
13
BACK T O CONTENTS
t
INPUTS
There are two sets of RCA INPUTS on the front end of your
amplifier. Plug the RCA cables from your head unit into the
appropriate set of inputs, front and rear. If your head unit
doesn't have RCA outputs don't worry. Simply 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 switch.
SOURCE Headunit
eject
VOLUME
WARNING:
123
4
Trk 1
5
BASS
BALANCE
LEFT
876
TREBLE
RIGHT
MAR KET
PPI
TRACK
FOWARD
ING DPT
REVERSE
(+) Positive
LEFT input
(-) Negative
(+) Positive
RIGHT inpu
(-) Negative
If you are using a source unit with bridged high powered (or
"floating ground") speaker outputs, a suitable high to low level adapter
must be used. If you are unsure about your head unit see your local
PrecisionPower dealer or call 1-800-62Power.
Balanced Differential Inputs
This circuitry 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 special cables (see
diagram below). This type of input works with any conventional
RCA cable.
music
signal and ground
music
noise
noise
noise
(+)
( + =)
( )
music noise
(+)
( - = 0 )
( )
noise cancels
14
music
and noise
music
NO noise
BACK T O CONTENTS
CROSSOVER Operation
Y our new
POWERCLASS
™
amplifier has crossover circuits built-in to
provide exceptional system flexibility without the added expense and
installation of an outboard crossover.
CHANNELS 1/2
The first row of controls on the top of your
Pro6800
allow you
to send a variable highpass signal (20 Hz to 20 KHz) to
Channels 1/2. (12dB/octave) With the X10 switch in the "out"
position, crossover adjustment can be made by turning the
highpass dial up or down for crossover points between 20 Hz
and 2000 Hz. By pressing the X10 switch "in" you are able to
make crossover adjustments between 200 Hz and 20 KHz. A
separate gain control is designated for these channels and
should be adjusted according to page 16.
CHANNELS 3/4
The second row of controls on the top of your
Pro6800
allow
you to send a variable highpass or bandpass signal (20 Hz to
20K Hz) to Channels 3/4. These controls operate in the same
fashion as above. The first set of controls are the highpass
side of the bandpass, and the second set of controls are the
lowpass side of the bandpass. In order to get a full highpass to
20 KHz press the second X10 switch in and turn the second
(lowpass) dial fully clockwise to 20 KHz position.
CHANNELS 5/6
The third row of controls on the top of your
Pro6800
operate in
the same fashion as Channels 3/4 crossovers. However, you
have one more option on these channels: you can select a
bandpass crossover (bandpass 2 - third row) or lowpass (fourth
row). By leaving the LP/BP switch out the bandpass 2 signal
will be assigned to CHANNEL 5/6 and lowpass assigned to the
RCA outputs.By pressing the LP/BP switch in, the lowpass
(fourth row) will be assigned to CHANNEL 5/6 and bandpass 2
assigned to the RCA OUTPUTS. The lowpass dial can be
adjusted from 50 Hz to 500 Hz and provides a 24dB/octave
slope.
15
BACK T O CONTENTS
Input Combine
INPUT COMBINE and GAIN
Your multi channel
POWER
CLASS™
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 COMBINE switch
on the amplifier end plate to route the INPUT A signal to
channels 3/4 as well.
PSC Switch
Channels 5/6 will be used as subwoofer channels in most
cases, and therefore receive summed information from Inputs
A and B. This allows Front/Rear fading without affecting the
subwoofer level. In order to use a
PSC-221
controller on bandpassed midrange drivers (Channel 3/4)
without causing cancellation in your subwoofer channels, you
can isolate Inputs B to Channel 3/4 only by pushing the PSC
switch 'IN'.
Adjusting The Amplifier Input Gain
1. Adjust all amplifier input gain controls to just above minimum
sensitivity (fully counterclockwise).
2. Using the cleanest source (CD), with music playing turn up
the head unit until you can hear distortion. Now turn it down
a bit until you cannot hear the distortion.
3. Increase the Amplifier gain (clockwise) until the onset of
audible distortion. Then decrease the gain to the point just
before the distortion starts. This setting minimizes
background noise and prevents overload.
4. Repeat step 3 for any remaining amplifiers in the system.
phase shift
Heatsink Cooling
The unique heatsink on
your
POWERCLASS
™
has been designed with fins
on the inside of the aluminum
mass. This allows for the
transfer of heat from the
circuitry to the heatsink fins
and out through the vents
in the endplates. Be sure you have ample space around the
amplifier for cooling, at least 2" on all sides.
amplifier
16
BACK T O CONTENTS
TROUBLE SHOOTING
NO SOUND Is the LED lit?
YES
WHAT COLOR ?
RED
Central Muting is engaged.
Remote turn-on wire must have
more than 8 volts to release
central muting. Check Remote
turn-on at the head unit. You may
need to install a relay if the head
unit doesn't put out sufficient
voltage.
NO
Check Power and Remote turnon wire for voltage. Make sure
Ground wire is secure.
GREEN
Substitute RCA inputs with
another source, and connect a
known good speaker to one
channel.
STILL NO SOUND - See your Authorized
or Call
SOUND IN ONE CHANNEL ONLY
1-800-62POWER
.
PrecisionPower
Reverse 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
Problem is in the speaker or
SAME CHANNEL
speaker wire of the silent
channel.
SOUND IS NOW IN
OPPOSITE CHANNEL
Reverse RCAs at head unit
Problem is in the Amp. See your
local Authorized
Dealer or call
SAME CHANNEL
PrecisionPower
1-800-62POWER
SOUND IS NOW IN
OPPOSITE CHANNEL
Problem is in the head unit
Problem is in the RCA cables
SAME CHANNEL
Dealer
.
17
BACK T O CONTENTS
TROUBLE SHOOTING
NO SOUND ON BANDPASS CHANNELS
Be sure that crossover points are
set properly. Is the highpass set
at a higher frequency than the
lowpass or the lowpass set lower
than the highpass, creating a no
pass?
YES
Readjust crossovers and then
test system again.
Check speaker wiring for short
circuits or loose connections. Be
NO
sure that powerlock plugs are in
place properly (screws facing up)
and observe correct wiring
diagram.
STILL NO SOUND - See your Authorized
Dealer or Call
1-800-62POWER
.
PrecisionPower
NO SOUND IN BRIDGED MODE
Check speaker wiring for short circuits or loose connections. Be
sure that powerlock plugs are in place properly (screws facing up)
and observe correct wiring diagram.
AMPLIFIER TURNS DOWN
Both excessive temperature and low impedance (or short circuit)
conditions will activate the amplifier's AM IV protection circuitry , which
turns down the amplifier's output. When the amplifier cools down, or
the impedance is corrected, the AM IV will restore full power.
If your amp is turning down check your speakers and wiring for low
impedance and short circuits.Also,ensure that there is nothing blocking
the normal convective airflow of the amplifier. No obstruction should
be within 2" of the amplifier on all sides.
NOTE: Low battery voltage will cause the amplifier to run warmer.
18
BACK T O CONTENTS
Pro6800
PEQ-114
DEQ-230
Q
1
BASS
2
L- L+ R+ R-
Q
BASS
L- L+ R+ RINPUTS
A
L- L+ REM R+ R-
L R
L R
L R
SYSTEM DIAGRAM
ONE
Source
eject
123
4
Trk 1
5
876
BASS
TREBLE
MAR KET
PPI
ING DPT
BALANCE
TRACK
VOLUME
RIGHT
FOWARD
REVERSE
LEFT
Input
Sensitivity
R
Input
L
R
L
Output
Precision
PEQ-114
Power
Volume
Power
+
PEQ-114
+
Sub
+
Low
Mid
200 Hz
100 Hz
+12db-12db
50 Hz
+12db-12db
126 Hz
25 Hz
Power
+12db-12db
63 Hz
Precision
DEQ-230
Power
31.5 Hz
+12db-12db
40 Hz
EQ
Input
stereo • out
L
R
12dB
12dB
20Hz-2K
12dB
20Hz-2K
X10
20Hz-2K
200Hz-20K
X10
PSC
200Hz-20K
X10
200Hz-20K
COMBINE
INPUTS
B
OUTPUTS
Defeat
mono • in
Output
Ground
Remote
L
Power
R
CHANNEL 1 / 2 GAIN
12dB
12dB
20Hz-2K
24dB
20Hz-2K
X10
200Hz-20K
50Hz-500Hz
X10
200Hz-20K
LP / BP
Power
Made in USA
+
Treble
USA
Made in
12.8 KHz
+12db-12db
6.4 KHz
Third Octave Equalizer
16 KHz
+12db-12db
+12db-12db
3.2 KHz
8 KHz
20 KHz
+12db-12db
+12db-12db
1.6 KHz
800 Hz
+12db-12db
400 Hz
+12db-12db
500 Hz
+12db-12db
250 Hz
+12db-12db
+12db-12db
320 Hz
+12db-12db
156 Hz
80 Hz
+12db-12db
+12db-12db
CHANNEL 3 / 4 GAIN
CHANNEL 5 / 6 GAIN
+12db-12db
4 KHz
+12db-12db
10 KHz
+12db-12db
+12db-12db
2 KHz
5 KHz
+12db-12db
+12db-12db
1 KHz
2.5 KHz
+12db-12db
+12db-12db
+12db-12db
1.27 KHz
+12db-12db
635 Hz
+12db-12db
+12db-12db
+12db-12db
Channel 1
HighPass
Channel 3
Highpass
Channel 5/6 Lowpass
Subwoofer
Basic System Layout
19
Channel 2
HighPass
Channel 4
Highpass
Subwoofer
BACK T O CONTENTS
SYSTEM DIAGRAM
PAR-245
Volume
Power
In-Clip
VOLUME
Precision
PAR-245
F
R
Fader
Defeat
Sub Low Low-Mid
TWO
Source
eject
123
5
BASS
TREBLE
BALANCE
TRACK
RIGHT
FOWARD
LEFT
R
In
pu
t
L
Input Sensitivity
1
2
3
4
Sub Low Low-Mid Treble
Power
Made in USA
++++
+
High-Mid Treble
PAR-245
REVERSE
High-Mid
4
876
R
Output
Frequency Adjust
Trk 1
MAR KET
PPI
ING DPT
Rear
L
R
Front
Output
L
PowerLED Select
Pro6800
DEQ-230
Q
1
BASS
2
L- L+ R+ R-
Q
BASS
L- L+ R+ R-
INPUTS
A
L- L+ REM R+ R-
L R
L R
L R
Channel 1
HighPass
Precision
Input
stereo • out
mono • in
Output
L
R
L
R
To Inputs A
X10
200Hz-20K
12dB
X10
200Hz-20K
12dB
20Hz-2K
12dB
20Hz-2K
X10
20Hz-2K
200Hz-20K
X10
PSC
200Hz-20K
X10
200Hz-20K
COMBINE
INPUTS
B
OUTPUTS
USA
Made in
12.8 KHz
+12db-12db
6.4 KHz
Third Octave Equalizer
16 KHz
+12db-12db
+12db-12db
3.2 KHz
8 KHz
20 KHz
+12db-12db
+12db-12db
1.6 KHz
800 Hz
+12db-12db
400 Hz
+12db-12db
200 Hz
500 Hz
+12db-12db
100 Hz
250 Hz
+12db-12db
50 Hz
+12db-12db
+12db-12db
126 Hz
25 Hz
Power
+12db-12db
320 Hz
+12db-12db
63 Hz
DEQ-230
+12db-12db
156 Hz
Power
31.5 Hz
+12db-12db
80 Hz
+12db-12db
40 Hz
+12db-12db
EQ
Defeat
Ground
Remote
Power
+12db-12db
4 KHz
+12db-12db
10 KHz
+12db-12db
+12db-12db
2 KHz
5 KHz
+12db-12db
+12db-12db
1 KHz
2.5 KHz
+12db-12db
+12db-12db
+12db-12db
1.27 KHz
+12db-12db
635 Hz
+12db-12db
+12db-12db
+12db-12db
PSC-221
Phase Shift Control
Made in
220
100
Power
Power
600
20
Precision
2
PSC-221
o
100
-ø
Left Phase
Input
ByPass
L
L
Invert
L
Precision
ByPass
R
Invert
R
R
in •
Non-inverted /
out •
Ground
Inverted /
Remote
Active
Power
ByPass
USA
600
o
-ø
Right Phase
Power
To Inputs B
CHANNEL 1 / 2 GAIN
CHANNEL 3 / 4 GAIN
CHANNEL 5 / 6 GAIN
12dB
12dB
20Hz-2K
24dB
20Hz-2K
50Hz-500Hz
LP / BP
Channel 2
HighPass
Channel 3
BandPass
Channel 4
BandPass
Channel 5/6 Lowpass
Subwoofer
Subwoofer
System Layout Using PSC Switch
20
BACK T O CONTENTS
Pro6800
PAR-245
Q
1
BASS
2
L- L+ R+ R-
Q
BASS
L- L+ R+ R-
INPUTS
A
L R
L R
SYSTEM DIAGRAM
THREE
Source
eject
123
4
Trk 1
5
876
BASS
TREBLE
MAR KET
PPI
BALANCE
TRACK
VOLUME
RIGHT
FOWARD
REVERSE
LEFT
R
Input
L
R
Input Sensitivity
Rear
Output
L
1
Frequency Adjust
2
3
4
Precision
PAR-245
Sub Low Low-Mid Treble
Volume
Power
Power
F
L- L+ REM R+ R-
L R
In-Clip
12dB
12dB
20Hz-2K
12dB
20Hz-2K
X10
20Hz-2K
200Hz-20K
X10
PSC
200Hz-20K
X10
200Hz-20K
COMBINE
INPUTS
B
OUTPUTS
High-Mid
R
Fader
Made in USA
Defeat
Sub Low Low-Mid
++++
+
High-Mid Treble
PAR-245
CHANNEL 1 / 2 GAIN
CHANNEL 3 / 4 GAIN
CHANNEL 5 / 6 GAIN
12dB
12dB
20Hz-2K
24dB
20Hz-2K
X10
200Hz-20K
50Hz-500Hz
X10
200Hz-20K
LP / BP
ING DPT
R
Front
Output
L
LED Select
Pow
er
RCA Output Bandpass
12dB/Octave
PC AMP
Channel 1
HighPass
tweeter
Channel 3
BandPass
Midrange
MidBass
4Ω SUB
Channel 2
HighPass
tweeter
Channel 4
BandPass
Midrange
MidBass
4Ω SUB
Channel 5/6 Lowpass
Sub Woof ers 24dB/Octave
Four-Way System Layout with MidBass Amp
21
BACK T O CONTENTS
Pro6800
Precision
Power
PSC-221
Made in
USA
Power
Phase Shift Control
Left Phase
o
-ø
Right Phase
o
-ø
Precision
Power
Input
Ground
Remote
Power
L
R
in •
Non-inverted /
Active
out •
Inverted /
ByPass
L
ByPass
L
Invert
R
ByPass
R
Invert
600
100
220
600
100
220
PMQ-210
Q
1
BASS
2
L- L+ R+ R-
Q
BASS
L- L+ R+ R-
INPUTS
A
L- L+ REM R+ R-
L R
L R
L R
SYSTEM DIAGRAM
FOUR
Source
eject
123
4
Trk 1
5
876
BASS
TREBLE
MAR KET
PPI
ING DPT
BALANCE
TRACK
VOLUME
RIGHT
FOWARD
REVERSE
LEFT
14KHz-23.37KHz
HL
9.37KHz-15.75KHz
HL
4KHz-9.37KHz
Q
HL
1.95KHz-4.5Khz
Q
HL
41.5
940Hz-1.25KHz
Q
HL
Cut / Boost
41.5
330Hz-1KHz
Q
HL
Cut / Boost
41.5
+12db-12db
Q
41.5
Cut / Boost
+12db-12db
Q
41.5
Cut / Boost
+12db-12db
41.5
Cut / Boost
+12db-12db
Cut / Boost
+12db-12db
+12db-12db
CHANNEL 3 / 4 GAIN
CHANNEL 5 / 6 GAIN
RCA Output Lowpass
er
Pow
Precision
PMQ-210
Input
attenuation
Output
-12dB in
stereo•out
mono•in
L
R
R
Ground
Remote
Power
L
To Inputs A
X10
200Hz-20K
12dB
X10
200Hz-20K
12dB
20Hz-2K
12dB
20Hz-2K
X10
20Hz-2K
200Hz-20K
X10
PSC
200Hz-20K
X10
200Hz-20K
COMBINE
INPUTS
B
OUTPUTS
160Hz-550Hz
HL
80Hz-260Hz
HL
40Hz-130Hz
Q
HL
20Hz-70Hz
Q
HL
41.5
Q
Power
41.5
Cut / Boost
Cut / Boost
+12db-12db
EQ
Defeat
Power
Precision
CHANNEL 1 / 2 GAIN
12dB
12dB
20Hz-2K
24dB
20Hz-2K
50Hz-500Hz
LP / BP
Q
41.5
Cut / Boost
41.5
+12db-12db
USA
Cut / Boost
Made in
+12db-12db
+12db-12db
10 Band Parametric Equalizer
24dB/Octave
PSC-221
To Inputs B
PC AMP
Channel 1
HighPass
tweeter
Channel 3
BandPass
Midrange
Channel 5
BandPass
MidBass
8Ω SUB
Channel 2
HighPass
tweeter
Channel 4
BandPass
Midrange
Channel 6
BandPass
MidBass
8Ω SUB
Four-Way System Layout using a separate PC amp for Subs
22
BACK T O CONTENTS
PAR-245
PMQ-210
SYSTEM DIAGRAM
FIVE
Source
eject
123
4
Trk 1
5
876
BASS
TREBLE
MAR KET
PPI
ING DPT
BALANCE
TRACK
VOLUME
RIGHT
FOWARD
REVERSE
LEFT
R
Inpu
t
L
R
Input Sensitivity
Rear
Output
L
R
Front
Output
L
High-Mid
940Hz-1.25KHz
Q
41.5
Cut / Boost
Frequency Adjust
1.95KHz-4.5Khz
HL
Q
41.5
Cut / Boost
+12db-12db
9.37KHz-15.75KHz
4KHz-9.37KHz
HL
Q
HL
Q
41.5
41.5
Cut / Boost
+12db-12db
+12db-12db
PowerLED Select
14KHz-23.37KHz
HL
Q
HL
Q
HL
41.5
Q
Cut / Boost
41.5
Cut / Boost
41.5
Cut / Boost
+12db-12db
Cut / Boost
+12db-12db
+12db-12db
Left
Y-cords
+12db-12db
41.5
Cut / Boost
10 Band Parametric Equalizer
+12db-12db
USA
Made in
+12db-12db
1
2
3
4
Precision
PAR-245
Sub Low Low-Mid Treble
Volume
Power
Power
F
In-Clip
R
Fader
Made in USA
Defeat
Sub Low Low-Mid
++++
+
High-Mid Treble
PAR-245
330Hz-1KHz
160Hz-550Hz
HL
80Hz-260Hz
HL
40Hz-130Hz
Q
HL
20Hz-70Hz
Q
HL
41.5
Q
Power
41.5
Cut / Boost
Power
Precision
PMQ-210
Cut / Boost
+12db-12db
EQ
Defeat
er
Pow
Input
attenuation
-12dB in
stereo•out
mono•in
L
R
Precision
Output
R
Ground
Remote
Power
L
Right
Y-cords
Q
1
BASS
2
L- L+ R+ R-
Q
BASS
INPUTS
A
L R
4Ω SUB
X10
200Hz-20K
L- L+ R+ R-
L- L+ REM R+ R-
L R
L R
INPUTS
B
OUTPUTS
Pro6800
12dB
12dB
20Hz-2K
20Hz-2K
X10
200Hz-20K
12dB
20Hz-2K
20Hz-2K
20Hz-2K
X10
200Hz-20K
X10
200Hz-20K
COMBINE
50Hz-500Hz
X10
200Hz-20K
12dB
LP / BP
12dB
PSC
Left Front
HighPass
200W bridged
Channels 1/2
Left Rear
HighPass
200W bridged
Channels 3/4
4Ω SUB
CHANNEL 1 / 2 GAIN
24dB
CHANNEL 3 / 4 GAIN
CHANNEL 5 / 6 GAIN
Pro6800
CHANNEL 1 / 2 GAIN
CHANNEL 3 / 4 GAIN
CHANNEL 5 / 6 GAIN
12dB
12dB
20Hz-2K
24dB
20Hz-2K
X10
200Hz-20K
X10
200Hz-20K
12dB
12dB
20Hz-2K
PSC
4Ω SUB
50Hz-500Hz
LP / BP
Right Front
HighPass
200W bridged
Channels 1/2
Right Rear
HighPass
200W bridged
Channels 3/4
4Ω SUB
12dB
20Hz-2K
20Hz-2K
X10
200Hz-20K
X10
200Hz-20K
X10
200Hz-20K
L- L+ REM R+ R-
L R
COMBINE
INPUTS
B
OUTPUTS
Q
1
BASS
2
L- L+ R+ R-
Q
BASS
L- L+ R+ R-
INPUTS
A
L R
L R
2Ω 400W bridged Channels 5/6
2Ω 400W bridged Channels 5/6
Two Pro6800 Amps bridged for Left and Right channels
23
BACK T O CONTENTS
BLOCK DIAGRAM
Dif.
INPUTS A
L
R
OUTPUTS
L
R
INPUTS B
L
R
input
combine
in
out
in
out
24 dB/octave Low Pass
50Hz - 500Hz
Gain
Adjust
Gain
Adjust
Gain
Adjust
in
out
out
in
in
out
in
out
Inverter
Inverter
Inverter
12 dB/octave High Pass
20Hz - 2KHz
x10 200Hz - 20KHz
12 dB/octave High Pass
20Hz - 2KHz
x10 200Hz - 20KHz
12 dB/octave High Pass
20Hz - 2KHz
x10 200Hz - 20KHz
12 dB/octave High Pass
20Hz - 2KHz
x10 200Hz - 20KHz
12 dB/octave High Pass
20Hz - 2KHz
x10 200Hz - 20KHz
12 dB/octave High Pass
20Hz - 2KHz
x10 200Hz - 20KHz
12 dB/octave Low Pass
20Hz - 2KHz
x10 200Hz - 20KHz
12 dB/octave Low Pass
12 dB/octave Low Pass
12 dB/octave Low Pass
20Hz - 2KHz
x10 200Hz - 20KHz
20Hz - 2KHz
x10 200Hz - 20KHz
20Hz - 2KHz
x10 200Hz - 20KHz
Q
BASS
PLUS
™
Q
BASS REMOTE
™
mute
AMP
mute
CHANNEL 1/2
AMP
mute
AMP
mute
CHANNEL 3/4
AMP
mute
AMP
mute
CHANNEL 5/6
AMP
in
in
out
out
PSC SWITCH
INPUT ATTENUATION
MUTE
Crossover
Select Switch
Dif.
Dif.
Dif.
Pro6800
24
BACK T O CONTENTS
WARRANTY
Three-Year Limited U.S.A. Warranty
This warranty gives you specific legal rights, and you may also have other rights which vary from
state to state.
workmanship under normal use and service for a period of three (3) years from the date of
original purchase when the unit is installed by an Authorized Dealer. Non-Authorized Dealer
installed products carry a one (1) year parts and ninety (90) days labor limited warranty. The
extent and conditions of Limited Warranty are as follows:
1. Authorized Dealer Installed Products:
to the original purchaser, any unit which
and under warranty, provided the defect occurs within three (3) years from the date of original
purchase when the unit is installed by an Authorized Dealer and the product is returned immediately to
2. Non-Authorized Dealer Installed Products:
charge, to the original purchaser, any unit which
defective and under warranty, provided the defect occurs within ninety (90) days from the date of
purchase and the product is returned immediately to
ninety (90) days for Non-Authorized Dealer Installed Products will be for parts only and will
extend for one (1) year from the date of purchase. This warranty is not transferable.
3. The date of purchase and proof of Authorized Dealer Installation of a PrecisionPower product
must be established by an original sales receipt which must accompany the article being returned for warranty work.
4. This warranty shall NOT apply to any
tory serial number removed or defaced. All products received (by
ranty or out of warranty repair, with their original serial numbers removed or defaced, will NOT be
repaired and will be returned to sender, freight collect. Refer to original packaging for the serial
number of your component speakers.
5. The provisions of this warranty shall not apply to any
purpose for which it is not designed, which has been repaired or altered in any way , or which has
been connected, installed, or adjusted other than in accordance with the instructions furnished in
PrecisionPower’ s
subject to misuse, neglect, or accident.
6. PrecisionPower does not authorize any other persons to assume any other liability in connection with its products. THIS WARRANTY IS THE ONLY EXPRESS WARRANTY MADE BY
PRECISIONPOWER APPLICABLE T O ITS PRODUCTS. ANY IMPLIED WARRANTY OR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE APPLICABLE TO
PRECISIONPOWER PRODUCTS IS LIMITED IN DURATION TO THE DURATION OF THIS
LIMITED WARRANTY. PRECISIONPOWER SHALL NOT BE LIABLE FOR THE INCIDENTAL,
CONSEQUENTIAL, OR COMMERCIAL DAMAGES RESUL TING FROM THE BREACH OF THIS
WRITTEN WARRANTY. Some states or provinces do not allow the exclusion or limitation of
incidental or consequential damages or limitations on how long an implied warranty lasts; so the
above limitations or exclusions may not apply to you.
7. Y our product will be serviced on an in-warranty basis within the warranty period for the correction of warranted defects. If improper operation of your
contact your Authorized Dealer for assistance with the return and factory repair of your
PrecisionPower
product. If an Authorized Dealer is not available, return the unit including your name, telephone
number, return address, a copy of your sales receipt, and a description of the problem to:
TO RETURN PRECISIONPOWER PRODUCTS OUT OF W ARRANTY : Return the unit, postage
prepaid, in the original protective carton. Please include a description of the problem and, if
desired, a request for an estimate of repair costs. Unless a request for an estimate is included,
the unit will be repaired as necessary. Please contact
800-62-POWER for questions concerning out of warranty repair charges. Repaired unit will be
returned with an itemized statement, C.O.D.
PrecisionPower
PrecisionPower
owner’s manual. Nor shall this warranty apply to any part which has been
warrants its products to be free from defects in materials and
PrecisionPower
PrecisionPower’ s
. This warranty is not transferable.
PrecisionPower
PrecisionPower
PrecisionPower,Inc.
Service Department
4829 S. 38th Street
Phoenix, AZ 85040-2964
will either repair or replace at no charge,
examination discloses to be defective
PrecisionPower’s
PrecisionPower
will either repair or replace at no
examination discloses to be
. Warranty claims beyond
product found to have the original fac-
PrecisionPower
PrecisionPower
PrecisionPower
PrecisionPower
product should occur,
Customer Service at 1-
product used for a
BACK T O CONTENTS
) for in war-
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