Precision Power A1000-2, A500-2, A800-2 User Manual
AMPLIFIER MODELS
A500/2 A800/2 A1000/2
TABLE OF CONTENTS
Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
What’s Included . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
CEA Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Amplifier Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Tools/Parts for Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Ground Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Charging System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Current Draw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Power Wire Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
PowerLock Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Front Plate Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
End Plate Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Advanced Instrumentation Input . . . . . . . . . . . . . . . . . . . . . . . . .15
QBASS PLUS Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . .16
QBASS PLUS/QBASS Remote . . . . . . . . . . . . . . . . . . . . . . . . . .17
TC-X Crossover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Crossover Detent Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Adjusting Input Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
High Mass Internal Heatsink . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
AP-IV Protection Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
1
CONGRATULATIONS
Thank you for choosing
Precision Power
TM
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
Precision Power
TM
product reflects our commitment
to offer you unparalleled performance and quality for years of
dependable service and listening enjoyment.
SERVICE
Do not attempt to service
Precision Power
TM
products yourself.
Performing maintenance on your audio equipment will void the
warranty. Many parts of the
Precision Power
TM
product 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
Precision Power
TM
product will always sound as
good as the day it was purchased. Contact your
Authorized
Precision PowerTMDealer
about obtaining any warranty service
through
Precision Power
TM
. (See the Warranty on the outside of the
back cover).
CAUTION
Extended use of a high powered audio system may result in hearing
loss or damage. While
Precision Power
TM
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.
FEATURES
Advanced Instrumentation Input Stage.
24dB/Octave; HP/LP/FULL; 30-4kHz Crossover.
Independent Line Output Crossover 30-4kHz
PWM Power Supply
Triple Darlington Output Stage.
AP-IV
Protection Circuity
QBASS
TM
Bass Boost
2
High Voltage Input Capability with -12dB Attenuation Switch.
Gold Plated RCA Input and Output Connectors.
PowerLock
TM
Speaker and Power Wire Connectors.
WHAT’S INCLUDED
Amplifier (with speaker and power plugs mounted)
(4) Mounting screws and washers
2mm hex wrench
2.5mm hex wrench
3mm hex wrench
CEA SPECIFICATIONS
3
AA550000//22
Power Output: 80 Watts RMS x 2 at 4 ohms and <
1% THD+N
Signal to Noise Ratio: -70 dBA (reference 1 Watt into 4 ohms)
Additional Power Output: 125 Watts RMS x 2 at 2 ohm at 14.4 Supply<
1% THD+N
AA880000//22
Power Output: 125 Watts RMS x 2 at 4 ohms and <
1% THD+N
Signal to Noise Ratio: -88 dBA (reference 1 Watt into 4 ohms)
Additional Power Output: 220 Watts RMS x 2 at 2 ohm at 14.4 Supply<
1% THD+N
AA11000000//22
Power Output: 230 Watts RMS x 2 at 4 ohms and <
1% THD+N
Signal to Noise Ratio: -92 dBA (reference 1 Watt into 4 ohms)
Additional Power Output: 325 Watts RMS x 2 at 2 ohm at 14.4 Supply<
1% THD+N
SPECIFICATIONS
Nominal Power Ratings
MODEL
4 ohm 2 ohm 4 ohm MONO
A500/2 2 X 75 2 X 125 1 X 250
A800/2 2 X 125 2 X 200 1 X 400
A1000/2 2 X 175 2 X 250 1 X 500
General Specifications
Load Impedance (Stereo) 2–8 ohms
Load Impedance (Bridged) 4–8 ohms
Input Topology Balanced differential
Conversion Efficiency >50% @2 ohms max power
Frequency Response 20Hz–200Hz ±0.25dB
Linear Bandwidth 10–50kHz ±3dB
Input Sensitivity 150mv - 12 Volts RMS
RCA Output Jacks HP/LP/Full; 30Hz to 4kHz
Input Impedance 20,000 Ohms
Supply Voltage 9–16 Volts
Damping Factor >250 (A500/2), >1000 (A800/2),
>350 (A1000/2)
Slew Rate >20V/µs
Crossovers Type/Range HP—off/12dB switch 30Hz to 4kHz
LP—off/12dB switch 30Hz to 4kHz
Crossover Slope 12dB/octave
QBass (n/a to A500/2) Variable 0 to +12dB boost @ 40Hz
QBassPlus
TM
remote (A500/2) Variable 0 to +18dB boost
(option) Variable frequency (30Hz, 36Hz, 44Hz, 60Hz)
Protection Functions Short and thermal
4
5
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 power
distribution block near your amplifiers to distribute large gauge
power cable to multiple amplifiers.
Dimensions
Length Width Height
A500/2 12-½” 10-½” 2-¾”
A800/2 24-¾” 10-½” 2-¾”
A1000/2 27-
3
/
8” 10-½” 2-¾”
Amp Fuse
A500/2 25 A
A800/2 35 A
A1000/2 50 A
AMPLIFIER STATUS LEDS
The LEDs provide the following indications:
1. Power - These LEDs illuminates the center Precision Power logo
background when the amplifier power is turned on.
2. Short - These LEDs behind the PPI logo will flash to indicate a
short on the output.
2. Thermal - These LEDs behind the PPI logo will extinguish if the
amplifier is in thermal shutdown protection.
Note: Read the AP-IV Protection Circuit section for additional
information regarding Short and Thermal protection.
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