PC1400
POWERCLASS
™
PC1400 / PC1800 OWNER’S MANUAL
CONGRATULATIONS
CONTENTS
(click on a topic to view)
PC1400 FEATURES / SPECIFICATIONS
PC1800 FEATURES / SPECIFICATIONS
QBASS
QBASS PLUS
INSTALLATION
WIRING
WIRING (continued)
POWER / GROUND
PC1800 ENDPLATE DIAGRAM
SPEAKER WIRING
INPUTS
THERMAL MANAGEMENT
CROSSOVER/SUBSONIC/GAIN
PC1800 FREQUENCY CHART
PC1400 FREQUENCY CHART
SYSTEM DIAGRAM ONE
SYSTEM DIAGRAM TWO
POWER, GROUND, and REMOTE TROUBLE SHOOTING
PC1400 ENDPLATE DIAGRAM WARRANTY
for choosing
PrecisionPower
audio epuipment. At
PrecisionPower
we
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
TM
performance,
sound quality, reliability, and value. This
PrecisionPower
product reflects
our commitment to offer you unpar alleled versatility and quality for years of
dependable service and listening enjoyment.
Service
Do not attempt to service
PrecisionPower
products yourself.
Performing exploratory surgery on your audio equipment yourself
will void the warranty. Many parts of your
PrecisionPower
gear
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
PrecisionPower
product will always
sound as good as the day it was purchased. Contact your
authorized
PrecisionPower
dealer about obtaining any warranty
service through
PrecisionPo wer
.(See Warranty insde back cover)
FOR YOUR RECORDS:
Model
Serial Number
Purchase Date
Caution!
The extended use of a high powered audio system may
result in hearing loss or damage. While
PrecisionPower
systems are capable of
"Concert Level"
volumes with
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.
Congratulations and thank you.....
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Adaptive MOSFET Switching Power Supply
Fully Complementary Triple Darlington Output Stage
2 Way Variable Crossover with Line Outputs
AP-III
Protection Circuitry
QBASS
TM
Bass Boost
Balanced Differential Input Stage
High Voltage Input Capability with Input Attenuation Switch
Gold Plated RCA Input and Output Connectors
PowerLock
Speaker and Power Wire Connectors
Three Year Warranty when installed by an Author ized
PrecisionPower
Dealer
Completely Designed And Handcrafted In The USA
Specifications
Power Bandwidth 4.5 Hz - 100 kHz
Total Harmonic Distortion 0.02 %
Input Topology Balanced Differential
Input Sensitivity 120 mv - 12 volts RMS
Input Impedance 10 k Ohms
Load Impedance 2 - 8 Ohms
Supply Voltage 11 - 15 volts
Damping Factor >500
Slew Rate >50 V/µS
QBASS™ Up To +12dB Boost @ 40Hz
Idle Current .7 Amps
Crossover Hp/Lp 12dB/Octave Linkwitz-Riley
Crossover Frequency Variable 20-5kHz
Continuous Output Power
PC1400
200 WRMS x 1 @ 4 ohms
400 WRMS x 1 @ 2 ohms
Dimensions
PC1400
Length - 11.75"
Height - 2.25"
Width - 8.9"
FEATURES / SPECIFICATIONS
1
1400
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Adaptive MOSFET Switching Power Supply
Fully Complementary Triple Darlington Output Stage
AM IV
Protection Circuitry
QBASS PLUS
™
Bass Boost
QBASS REMOTE
™
Compatible
Advanced Buss Technology
Forced Air Thermal Management
Detented, Variable 24dB/Octave Low Pass Crossover
Detented, Variable 24dB/Octave Subsonic Filter
Balanced Differential Input Stage
High Voltage Input Capability with Input Attenuation Switch
Gold Plated RCA Input Connectors
PowerLock
Speaker and Power Wire Connectors
Three Year Warranty when installed by an Author ized
PrecisionPower
Dealer
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 150 mv - 12 volts RMS
Input Impedance 10 k Ohms
Load Impedance 2 - 8 Ohms
Supply Voltage 11 - 15 volts
Damping Factor >500
Slew Rate >50 V/µS
QBASS PLUS™ Up To +18dB Boost
Frequency Centers 30 Hz, 36 Hz, 44 Hz and 60 Hz
Idle Current 2 Amps
Crossover LP, 24dB/Octave Linkwitz-Riley
Crossover Frequency 50 Hz - 300 Hz
Subsonic Filter 24dB/Octave
Subsonic Frequency 5 Hz - 50 Hz
Continuous Output Power
PC1800
400 WRMS x 1 @ 4Ω
800 WRMS x 1 @ 2Ω
Dimensions
PC1800
Length - 21.75
Height - 2.25"
Width - 8.9"
FEATURES / SPECIFICATIONS
2
1800
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3
QBASS
™
Q
BASS
™
On the
PC1400
amplifier, we offer tremendous control
of your bass with
Q
BASS
™
. On the front end panel of
your
PC1400
you will find the
Q
BASS
™
level control.
Adjust the level control clockwise for up to 12dB of boost
at a factory preset frequency of 40Hz.
QBASS
™
CAUTION:
QBASS
™
should only be used in systems with
strong subwoofers. 12dB is a lot of bass boost and could
damage full range speakers.
0
+6dB
+12dB
20Hz
40Hz 60Hz 80Hz 100Hz
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4
QBASS
PLUS
™
Q
BASS PLUS
™
On the
PC1800
amplifier, we've taken bass control
to a higher level with
Q
BASS PLUS
™
. The two
Q
BASS
switches (labeled 1 and 2) on the front end of the
amplifier allow you to select one of four frequency centers
30Hz, 36Hz, 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 char t below.)
On the rear end panel you will find the
Q
BASS
™
level
control and the plug-in for an optional
Q
BASS REMO TE
™
dash mounted level control. Adjust the level control
clockwise for up to 18dB of boost at your selected
frequency and Q.
Q
BASS PLUS
™
QBASS™
Settings
1 2 Freq.
IN IN 30 Hz
IN OUT 36 Hz
OUT IN 44 Hz
OUT OUT 60 Hz
+18dB
+6dB
0dB
30Hz
36Hz
44Hz
60Hz
Q = 4
Q = 2
+12dB
CAUTION:
Q
BASS PLUS
™
should only be used in systems with
strong subwoofers. 18dB is a lot of bass boost and could damage full
range speakers.
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
™
expansion
module allows one boost control
to operate multiple amplifiers. Each
Q
PORT
™
has outputs for four amplifiers
as well as to another
Q
PORT
™
for greater
expansion. See your Authorized
PrecisionPower
Dealer
for more information!
QBASS
0
+18
Q
BASS REMOTE
™
Designed and handcrafted in the USA
™
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5
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 4
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
INSTALLATION
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 main fuse or circuit
breaker . Use a po wer distribution block or fuse near y our amplifiers
with the appropriate fuse for each individual power wire.
Fuse requirements
Amplifier Maximum Fuse Rating
PC1400
35 Amp
PC1800
100 Amp
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