Pyramid Car Audio PB442X User Manual

Owners  
Manual  
S u p e r B l u e  
PB440X  
PB442X  
table of contents  
Introduction  
i
Table of Contents  
1
Features and Controls, 2 ch amp PB440X 2  
Features and Controls, 4 ch amp PB442X 4  
Specifications  
6
Electrical Connections  
7
Stereo Input Connections, 2 ch amp PB440X 8  
2/4 Channel Input Connections, 4 ch amp PB442X 9  
Speaker Connections, 2 ch output mode (PB440X) 10  
Speaker Connections, 4 ch output mode (PB442X) 11  
Mounting and Installation 12  
Troubleshooting 13  
1
2 ch amp PB440X  
features and controls  
input gain control  
low level inputs  
power LED  
treble control  
bass control  
speaker connections  
power fuse  
power terminals  
owner’s manual  
2
input gain control use this control to match the outputs of  
your head unit to the amplifier. Starting  
with your head unit volume control set at  
about the 2 o’clock position, increase the  
amp gain control until distortion begins to  
occur, and reduce slightly from this point.  
low level inputs this amp features gold-plated RCA input  
jacks for high impedance input. Use these  
with car stereo output which uses RCA-type  
connector cables.  
speaker connections these terminals are 14K gold plated to  
guarantee high conductivity and minimum  
signal loss.  
power LED this indicator is illuminated when power  
is applied.  
treble control use the control to adjust the treble output level  
to suit your taste or audio program material.  
bass control use the control to adjust the bass output level  
to suit your taste or audio program material.  
power fuse the fuse protects the amplifier and your car’s  
electrical system from short circuit conditions.  
power terminals use these connectors to deliver power, ground,  
and remote turn-on control to the amplifier.  
3
4 ch amp PB442X  
features and controls  
rear input gain control  
power LED  
treble control  
bass control  
low level inputs  
front input gain control  
speaker connections  
power fuse  
power terminals  
owner’s manual  
4
input gain controls use these controls to match the outputs of  
your head unit(s) to the amplifier. Starting  
with your head unit volume control set at  
about the 2 o’clock position, increase the  
amp gain controls until distortion begins to  
occur, and reduce slightly from this point.  
power LED this indicator is illuminated when power  
is applied.  
treble control use the control to adjust the treble output level  
to suit your taste or audio program material.  
bass control use the control to adjust the bass output level  
to suit your taste or audio program material.  
low level inputs this amp features gold-plated RCA input  
jacks for high impedance input. Use these  
with car stereo output which uses RCA-type  
connector cables.  
speaker connections these terminals are 14K gold plated to  
guarantee high conductivity and minimum  
signal loss.  
power fuse the fuse protects the amplifier and your car’s  
electrical system from short circuit conditions.  
power terminals use these connectors to deliver power, ground,  
and remote turn-on control to the amplifier.  
5
2schpamep pcb4i4f0ic4 cah atmipoPBn442sX  
PB440X  
PB442X  
2 channel amplifier  
4 channel amplifier  
output power  
@14.4 V.D.C 1 Khz  
RMS Power Output @ 4 Ohms  
Maximum Power Output  
35 Watts x 2  
120 Watts x 2  
35 Watts x 4  
75 Watts x 4  
+_  
+_  
12dB  
bass/treble control  
12dB  
+_  
+_  
frequency response  
input impedance  
15-30 Khz ( 3dB)  
15-30 Khz ( 3dB)  
10 K-Ohms  
10 K-Ohms  
input sensitivity  
150 mV  
150 mV  
power supply voltage  
DC 14.4V  
DC 14.4V  
negative ground  
(10.5-16V)  
negative ground  
(10.5-16V)  
matching speaker impedance  
maximum current draw  
4-8 Ohms  
5 A  
4-8 Ohms  
10 A  
dimensions (W x H x D)  
mm  
120 x 59 x 270  
230 x 59 x 270  
inches  
4.75 x 2.32 x 10.63  
9.06 x 2.32 x 10.63  
net weight  
kg  
lbs  
1.20  
2.64  
2.25  
4.95  
owner’s manual  
6
2 ch amp PB440X • 4 ch amp PB442X  
electrical connections  
PB440X  
RED WIRE  
12V battery  
to remote  
turn-on  
+12V  
ORANGE  
WIRE  
PB442X  
RED WIRE  
12V battery  
to remote  
turn-on  
+12V  
ORANGE  
WIRE  
7
2 ch amp PB440X  
stereo input connections  
head unit  
L/R audio outputs  
owner’s manual  
8
4 ch amp PB442X  
2/4 channel input connections  
4 ch input connections  
head unit  
L/R FRONT  
audio outputs  
L/R REAR  
audio outputs  
2 ch input connections  
head unit  
Y adaptors  
L/R audio output  
9
2 ch amp PB440X  
speaker connections  
LEFT  
speaker  
RIGHT  
speaker  
NOTE: The PB440X is not  
capable of having bridged  
outputs. Bridging the outputs  
will damage your amplifier!  
owner’s manual  
10  
4 ch amp PB442X  
speaker connections  
L
R
REAR  
speakers  
FRONT  
speakers  
R
L
NOTE: The PB442X is not  
capable of having bridged  
outputs. Bridging the outputs  
will damage your amplifier!  
11  
mounting2achnamdp PBi4n40sX t4achllaamptPiBo44n2X  
Please read the Installation Precautions section below before installing  
your Pyramid Super Blue amplifier, and then refer to the diagrams  
provided to connect power, audio input and speaker connections  
according to your own system configuration requirements.  
Installation Precautions  
• Before you drill or cut any holes, investigate your car’s layout  
very carefully. Take care when you work near the gas tank,  
fuel lines, hydraulic line and electrical wiring.  
• Do not operate the amplifier when it is unmounted. Attach  
all audio system components securely within the automobile  
to prevent damage, especially in an accident.  
• Do not mount this amplifier so that the wire connections are  
unprotected or in a pinched condition, or likely to be damaged  
by nearby objects. Be sure to select a location inside your  
vehicle which has adequate ventilation.  
• Before making or breaking power connections in your system,  
disconnect the vehicle battery. Confirm that your head unit or  
other equipment is turned off while connecting the input jacks  
and speaker terminals.  
• If you need to replace the power fuse, only replace it with  
a fuse identical to that supplied with the system. Using a fuse  
of a different type or rating may result in damage to your  
system which isn’t covered by the manufacturer’s warranty.  
screw  
spring washer  
flat washer  
solid mounting  
surface  
owner’s manual  
12  
2 ch amp PB440X • 4 ch amp PB442X  
troubleshooting  
Before removing your amplifier, refer to the list below and follow the  
suggested procedures. Always test the speakers and their wires first.  
Amplifier will not power up.  
• Check for good ground connection.  
• Check that remote DC terminal has at least +3v DC.  
• Check that there is battery power on the + terminal.  
• Check all fuses.  
• Check that Protection LED is not lit. If it is lit, shut off  
amplifier briefly and then repower it.  
High hiss or engine noise (alternator whine) in speakers.  
• Disconnect all RCA inputs to the amplifier(s) – if hiss/noise  
disappears, then plug in the component driving the amplifier  
and unplug its inputs. If hiss/noise disappears, go on until  
the faulty/noisy component is found.  
• It is best to set the amplifier's input level as insensitive  
as possible. The best subjective S/N ratio is obtainable  
this way. Try to drive as high a signal level from the head  
unit as possible.  
Protection LED comes on when the amplifier is powered up.  
• Check for shorts on speaker leads.  
• Check that the volume control on the head unit is turned  
down low.  
• Remove speaker leads, and reset the amplifier. If the  
Protection LED still comes on, then the amplifier is faulty.  
Amplifier(s) gets very hot.  
• Check that the minimum speaker impedance for that model  
is correct.  
• Check for speaker shorts.  
• Check that there is good airflow around the amplifier. In  
some applications, an external cooling fan may be required.  
Distorted sound  
• Check that the Level control(s) is set to match the signal  
level of the head unit.  
• Check that all crossover frequencies have been properly set.  
• Check for shorts on the speaker leads.  
High squeal noise from speakers.  
• This is almost always caused by a poorly-grounded RCA  
patch cord.  
13  
MANUFACTURER’S LIMITED TWO YEAR WARRANTY  
PYRAMID SOUND CORP. warrants this unit to be free from  
defective material or workmanship and will repair or replace this  
unit or any part thereof if it proves defective in normal use or  
service within two (2) years from the date of original purchase.  
Our obligation under this warranty is limited to repairing or  
replacing, at our discretion, the defective instrument or any part  
thereof when it is returned, transportation prepaid to the Pyramid  
Service Center at the address below. This warranty will be consi-  
dered void if the unit has been tampered with, improperly serviced,  
subjected to abuse or misuse or if installed in a commercial vehicle.  
This warranty does not cover accidental damage. When returning  
this unit for service, please include $10.00 for return postage  
and handling. Send your unit to:  
PYRAMID SERVICE CENTER  
1600 63rd Street  
Brooklyn, New York 11204  
IMPORTANT: Pack carefully in original carton if possible. We are  
not responsible for damage incurred in returning items for repair.  
A letter stating your exact street address, daytime phone number,  
and the problem you are experiencing should be included. You  
must also enclose a copy of the original receipt as proof of date  
of purchase.  
FOR YOUR PROTECTION  
Completely and immediately mail the Product Registration Card  
so that we may contact you directly in the event a safety notification  
is issued in accordance with the 1972 Consumer Product Safety  
Act, or for other reasons Pyramid may deem necessary.  
TECHNICAL SUPPORT HOTLINE  
Our technical department will gladly answer any questions you  
may have about our products. They cannot, however tell you the  
status of a repair, or handle other customer service situations.  
1-800-934-2277  
Monday through Thursday, 9AM to 5PM  
Friday 9AM to 2PM Eastern.  

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