Audiovox Stereo Amplifier PAB 1500D User Manual

Model PAB-1500D  
1000 Watt Monaural Amplifier  
Owner's  
Manual  
 
HIGH PERFORMANCE AMPLIFIER  
This power amplifier has been designed to provide high quality performance with  
a minimum of maintenance. However, it's performance will only be as good as the  
care and quality of components with which it is installed. We therefore advise that  
youreadtheseinstructionsverycarefullytofamiliarizeyourselfwiththeproductand  
it's features.  
HELP!  
1-800-645-4994  
Should you require assistance with the installation or wiring of this unit, please call  
our toll-free "HELP" line at 1-800-645-4994 during the days/hours shown.  
Monday - Friday  
Saturday  
8:30am - 7:00pm Eastern  
9:00am - 5:00pm Eastern  
SPECIFICATIONS  
Filter Types:  
Variable Low Pass  
Maximum Output Power:  
Mono Operation  
50Hz to 250Hz,  
1000 watts peak x 1  
18dB/Oct  
RMS Output Power:  
500 watts x 1 @ 2 ohms  
300 watts x 1 @ 4 ohms  
Variable Sub-Sonic  
Bass Boost  
20Hz to 50Hz,  
18dB/Oct  
THD at 4Ohms:  
THD at 2Ohms:  
Signal/Noise Ratio:  
Damping Factor:  
0.3%  
0.7%  
65dB  
>20  
+12dB @ 45Hz  
+18dB @ 60Hz  
Supply Voltage:  
Dimensions (W x H x D):  
12 Volts, Negative  
Ground  
Input Impedance:  
Low-Level  
10-3/4" x 2-3/8" x 9-1/2"  
(273mm x 62mm x 240mm)  
10K ohms  
Input Sensitivity:  
200mV-4V.  
* Due to continuing improvement, Audiovox reserves the right to change features and design without notice.  
-1-  
 
PRECAUTIONS  
1. Although this unit is designed with built-in self-protection circuits, there may be a possibility of damage if it is not wired  
correctly. Please follow the wiring instructions carefully for the type of system being used.  
2. The last lead to be connected is the wire to the positive (+) terminal of the battery. Connect this wire only after having  
completed and checked all other connections to the amplifier.  
3. By nature of its design, a power amplifier generates heat and requires good air circulation around it to dissipate that  
heat. Do not install the amplifier in an enclosed area which does not permit adequate air circulation. Should the  
temperature of the unit rise too high, the internal thermal sensors will shut off operation until it has cooled down  
sufficiently.  
4. If fuse replacement is necessary, use only fuses of the same ampere rating as originally supplied with the unit. The  
use of fuses with incorrect ratings may cause serious damage to the amplifier. If fuses blow consistently, carefully  
check all electrical connections to the unit.  
5. Supply of adequate battery voltage is critical to the proper operation of the power amplifier. The leads to the battery  
and chassis ground must be of a thick enough gauge to provide this voltage to the amplifier. We recommend #10  
gauge wire or larger (smaller gauge #) for the battery and ground leads.  
6. Make certain that the speaker(s) to be used with this amplifier is capable of handling the output power (wattage) of  
the unit. Use of a speaker(s) not rated for the output of this amplifier may cause damage to, or failure of, the speaker(s)  
for which Audiovox will not be liable.  
-2-  
 
INSTALLATION DIAGRAM  
INSTALLATION INSTRUCTIONS  
1. Select a mounting area where the amplifier will  
have sufficient air circulation for proper cooling.  
Inadequate air circulation will cause the  
temperature of the amplifier to rise and will  
trigger the thermal protection mode.  
END PANELS  
SELF-TAPPING SCREW  
2. Place the amplifier on the mounting surface and  
mark the locations of the four mounting holes as  
shown in the illustration at the right.  
3.Removetheamplifieranddrilla1/8"holeateach  
of the four locations.  
CAUTION: Before drilling the holes, look at the  
underside of the mounting surface. Always  
check carefully to avoid drilling into wiring,  
braces, fuel or brake lines. CHECK BEFORE  
YOU DRILL !  
BASS BOOST  
1/8" DIA.  
HOLE  
4. Apply a self-adhesive rubber washer to the  
bottom of the amplifier at each of the 4 screw  
locations. Secure the amplifier to the mounting  
surface using the self-tapping screws provided.  
RUBBER WASHERS  
5. Attach the plastic end panels to the amplifier  
by pressing them into position on the amplifier.  
MOUNTING SURFACE  
-3-  
 
WIRING INSTRUCTIONS  
Wiring your amplifier will depend on the system and speakers you are using. The amplifier is compatible only with a radio  
having a low-level stereo output, thereby instituting a mixed stereo-mono application. The following pages illustrate the  
input and output wiring for this type of installation, and any other setup at the user's option. Please refer to the appropriate  
diagrams for the system configuration.  
The power and speaker wire connections for this amplifier are made via screw tightened terminal blocks. Loosen the  
screw for the connection to be made and fully insert the wire (strip 1/2" of insulation from the end) under the respective  
screw on the side panel (crimp-on "U" terminals are provided to simplify wiring and we recommend their use). Tighten  
the screw down to secure the wire.  
1. Power Connection  
The battery terminal (+12V) must be connected directly to the positive terminal of the vehicle battery to provide an  
adequate voltage source and minimize noise. Connecting the battery terminal lead to any other point (such as the fuse  
block) will reduce the power output and may cause noise and distortion. Use only #10 gauge or thicker (smaller gauge  
#) wire for this lead and connect it to the terminal of the battery after all other wiring is completed.  
2. Ground Connection  
The ground terminal (GND) connection is also critical to the correct operation of the amplifier. Use a wire of the same  
gauge as the power connection (#10 or thicker) and connect it between the ground terminal (GND) of the amplifier and  
a metal part of the vehicle close to the mounting location. This wire should be as short as possible and any paint or  
rust at the grounding point should be scraped away to provide a clean metal surface to which the end of the ground  
wire can be screwed or bolted.  
3. Remote Turn-On Connection  
The amplifier is turned on by applying +12 volts to the remote turn-on terminal (REM). The wire lead to this terminal  
should be connected to the "Auto-Antenna" lead from the car stereo which will provide the +12 volts only when the car  
stereo is turned on. If the car stereo does not provide an Auto-Antenna lead, the remote turn-on lead may be wired  
-4-  
 
WIRING INSTRUCTIONS  
to an "Accessory" or "Radio" terminal in the car's fuse block. This will turn the amplifier on and off with the ignition key,  
regardless of whether the car stereo is on or off. The remote turn-on lead does not carry large currents, so #20 gauge  
wire may be used for this application.  
4. Speaker Connections  
Only 4 Ohm or 2 Ohm impedance speaker(s) can be used with the amplifier. Wire it to the speaker terminals as per  
the appropriate wiring diagram. For most applications, #18 gauge wire should be used for the speaker leads but in no  
case thinner than #20 gauge. For leads in excess of 10 feet, #16 gauge is recommended. When wiring the speaker,  
pay careful attention to the polarity of the terminals on the speaker and make certain they correspond to the polarity  
ofthecorrespondingterminalsontheamplifier. DONOTgroundeitherofthespeakerleadstothechassisofthevehicle.  
5. Input Connections  
This amplifier features low-level input and output capability, plus remote sub-woofer level control. The low-level output  
capability can be used if an additional amplifier is installed. When low-level outputs are provided from the car stereo,  
this amplifier can be included in the audio system as shown in the associated wiring diagram. The amplifier low-level  
inputs provide the lowest distortion and best performance. Use good quality shielded audio cables with RCA plugs at  
both ends to connect the stereo to the amplifier and keep the cable lengths to a minimum to avoid noise.  
If the car stereo does not provide low-level outputs, the amplifier cannot be used, since high level speaker inputs are  
not provided.  
6. Remote Sub-Woofer Level Control Connection  
Remote sub-woofer level control is provided by a PAB-RC control unit, which can be connected to the amplifier using  
a REMOTE CONTROL telephone cable (supplied) with RJ-11 connectors at each end. Refer to the amplifier wiring  
diagram for details.  
-5-  
 
USE THIS INPUT WIRING WITH  
OUTPUT WIRING ON PAGE 7  
MONO INPUT WIRING DIAGRAM  
LOW-LEVEL  
RCA OUTPUTS  
CAR STEREO  
LEFT  
RCA TYPE  
SHIELDED CABLE  
(NOT SUPPLIED)  
RIGHT  
RCA TYPE  
SHIELDED CABLE  
(NOT SUPPLIED)  
LOW LEVEL RCA OUTPUTS  
TO 2ND AMPLIFIER  
REMOTE SUB-WOOFER  
CONTROL UNIT PAB-RC  
STANDARD TELEPHONE  
CABLE  
BASS BOOST  
OFF 18dB/60Hz  
12dB/45Hz  
RJ-11 CONNECTOR  
RJ-11 CONNECTOR  
-6-  
 
USE THIS OUTPUT WIRING WITH INPUT  
WIRING ON PAGE 6  
MONO OUTPUT WIRING DIAGRAM  
CONNECT THIS  
WIRE LAST  
+
m
MONO  
SPEAKER(S)  
OR  
12 VOLT  
VEHICLE  
BATTERY  
CHASSIS  
SUB-WOOFER(S)  
-
USE #10 GAUGE  
WIRE (SEE TEXT)  
GROUND  
m
2 - 4 OHMS  
EXISTINGSCREWORBOLT  
CLEAN PAINT, RUST, DIRT  
OR GREASE FROM AREA  
FOR GOOD CONNECTION  
GROUNDED METAL  
SECTIONOFVEHICLE  
CAR STEREO  
AUTO-ANTENNA  
LEAD  
-7-  
 
OPERATION  
After initial set-up, the amplifier should not require any further adjustment unless there is a change in the car stereo or speaker  
system with which it is used.  
1
2
4
6
3
1
Power Indicator  
caused by mis-wiring or operation into incorrect speaker  
loads. Re-check all wiring and connections if this  
The POWER LED functions as both a power and a  
warning indicator. When the amplifier is off, the indicator  
is inactive and appears white. When power is applied to  
the amplifier, the LED indicator illuminates green, provided  
no malfunction is present, thus signifying the amplifier is  
operating normally. When the LED illuminates red, the  
built-in self-protection circuits have been activated and  
have shut down operation of the amplifier. The protection  
circuits may be triggered by the temperature of the unit  
rising above a safe level or by an overload condition. If  
activated by a rise in temperature, the unit will resume  
operation after cooling off to a normal operating range. If  
activated by an overload condition, the source of the  
overload must be found and corrected to resume normal  
operation of the amplifier. Most overload conditions are  
2situation occurs and correct as necessary.  
Level(V) Control  
The amplifier is capable of operating from audio signal  
sources supplying a wide range of input levels. The  
Level (V) control should initially be set to the mid-position.  
Ifitisfoundthatthereisnotenoughoutput,evenwhenthe  
volumecontrolonthecarstereoisatitsmaximumsetting,  
adjust the Level control to increase the output from the  
system. If, however, there is still output from the amplifier  
when the car stereo volume control is at its minimum  
setting, or the output level increases too fast with a small  
rotation of the volume control, adjust the Level control to  
decrease the output from the system.  
-8-  
 
5
4
Remote Subwoofer Level Control Input  
Once the correct setting is found, this control should not  
Sub-sonic Filter Selector Switch  
This switch enables On/Off selection of the sub-sonic  
frequency filter, thereby allowing the operator to initially  
set the amplifier high pass frequency for a sub-woofer  
between 20Hz and 50Hz.  
This connector permits the amplifier to be used with the  
PAB-RC Remote Control Unit. This control unit is  
normally mounted in the passenger compartment, and  
allows for remote level adjustment of the Bass Boost  
3require any further adjustment.  
5audio output from the power amplifier.  
Fuse  
The circuitry of the amplifier is protected from damage  
by automotive-type fast-blow fuses. If fuse replacement  
is necessary, use only fuses of the same ampere rating  
as originally supplied with the unit. The use of fuses with  
incorrect ratings may cause serious damage the amplifier.  
If fuses blow consistently, carefully check all electrical  
Inthe"OFF"positionoftheswitch, theresponseisflat and  
unaffected so the entire woofer audio frequency range  
(low-pass) is reproduced by the amplifier. Use this setting  
if the amplifier is being used to power a full range woofer  
speaker.  
In the "ON" position, only the frequencies above the  
frequency set by the SUB-SONIC FILTER FREQUENCY  
(Hz) Control will be amplified and fed to the speakers. Use  
this setting to eliminate possible destructive sub-sonic  
frequencies (<20Hz). Setting should be at lowest  
frequency reproduced by your specific sub-woofer.  
6connections to the unit.  
Bass Boost Switch  
This switch is used to accentuate the bass frequencies by  
adding +12 dB of boost to the signal (at 45Hz), or +18  
dB of boost (@ 60Hz). Use the +18 dB @ 60Hz for  
maximum SPL (Sound Pressure Level).  
-9-  
 
12 / 24 MONTH LIMITED WARRANTY  
Applies to automotive radios, radio/tape players, radio/CD players, CD  
changers, power amplifiers, equalizers and accessories.  
AUDIOVOX CORPORATION (the Company) warrants to the original retail purchaser of this product that should this product or any part thereof,  
under normal use and conditions, be proven defective in material or workmanship within 12 months from the date of original purchase, such  
defect(s) will be repaired or replaced with new or reconditioned product (at the Company's option) without charge for parts and repair labor.  
To obtain repair or replacement within the terms of this Warranty, the product is to be delivered with proof of warranty coverage (e.g. dated bill  
of sale), specification of defect(s), transportation prepaid, to an approved warranty station or the Company at the address shown below.  
The warranty period will be extended to 24 months from the date of original purchase if the product is installed by an authorized Prestige Audio  
dealer. Toclaimwarrantyserviceduringthisextendedperiod, thebillofsalemustspecifythattheproductwasinstalledby anauthorizedPrestige  
Audio dealer.  
This Warranty does not extend to the elimination of externally generated static or noise, to correction of antenna problems, to costs incurred for  
installation, removal or reinstallation of the product, or to damage to tapes, compact discs, speakers, accessories, or vehicle electrical systems.  
This Warranty does not apply to any product or part thereof which, in the opinion of the Company, has suffered or been damaged through  
alteration, improper installation, mishandling, misuse, neglect, accident, or by removal or defacement of the factory serial number/bar code  
label(s). THE EXTENT OF THE COMPANY'S LIABILITY UNDER THIS WARRANTY IS LIMITED TO THE REPAIR OR REPLACEMENT  
PROVIDED ABOVE AND, IN NO EVENT, SHALL THE COMPANY'S LIABILITY EXCEED THE PURCHASE PRICE PAID BY PURCHASER  
FOR THE PRODUCT.  
This Warranty is in lieu of all other express warranties or liabilities. ANY IMPLIED WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF  
MERCHANTABILITY, SHALL BE LIMITED TO THE DURATION OF THIS WRITTEN WARRANTY. ANY ACTION FOR BREACH OF ANY  
WARRANTY HEREUNDER INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY MUST BE BROUGHT WITHIN A PERIOD OF  
30 MONTHS FROM DATE OF ORIGINAL PURCHASE. IN NO CASE SHALL THE COMPANY BE LIABLE FOR ANY CONSEQUENTIAL OR  
INCIDENTAL DAMAGES FOR BREACH OF THIS OR ANY OTHER WARRANTY, EXPRESS OR IMPLIED, WHATSOEVER. No person or  
representative is authorized to assume for the Company any liability other than expressed herein in connection with the sale of this product.  
Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damage  
so the above limitations or exclusions may not apply to you. This Warranty gives you specific legal rights and you may also have other rights  
which vary from state to state.  
U.S.A. : AUDIOVOX CORPORATION, 150 MARCUS BLVD., HAUPPAUGE, NEW YORK 11788 l 1-800-645-4994  
CANADA : CALL 1-800-645-4994 FOR LOCATION OF WARRANTY STATION SERVING YOUR AREA  
128-5543  
© 2000 Audiovox Corp., Hauppauge, N.Y. 11788  
Printed in Korea  
128-5784  
 

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