Pyramid Technologies PB446X, PB449X, PB448X, PB444X User Manual

Owner’s

Manual

PB444X
PB446X
PB448X
PB449X

Super Blue

introduction

Congratulations on your purchase of a new Pyramid Super Blue

amplifier. Super Blue amps are some of the most advanced car

amplification products available. These quality audio products

are designed and engineered to afford you years of uncompromised

musical service. Pyramid has utilized the latest electronic

technologies in order to deliver a superb listening experience.

The Super Blue line has been designed to ensure adequate

headroom for even the most demanding peaks and dynamic

ranges found on today’s CD’s and recordings. Used properly,

these amplifiers will provide you with years of listening

pleasure.

table of contents

Table of Contents

Specifications

Features and Controls,

Features and Controls, 2 ch amp PB446X, PB449X

Features and Controls, 4 ch amp PB448X

Mounting and Installation

Electrical Connections

Stereo & Mono Input Connections,

Stereo Input Connections,

Mono Input Connections,

2 ch amp PB446X, PB449X

2 ch amp PB446X, PB449X

4CH/Stereo Input Connections, 4 ch amp PB448X

4CH Hi-Level Input Connections, 4 ch amp PB448X

Mono Input Connections, 4 ch amp PB448X

Hi-Level Mono Input Connections, 4 ch amp PB448X

Speaker Connections, 2CH & Bridged mode, PB444X
Speaker Connections, 2CH & Bridged mode, PB446X, PB449X
Speaker Connections, 4CH & Bridged mode, PB448X

Troubleshooting

2 ch amp PB444X

2 ch amp PB444X

Introduction

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owner’s manual

2 ch amp PB444X • PB446X• PB449X•4champPB448X

specifications

PB444X

2 ch amplifier

output power

@14.4 V.D.C 1 Khz

Maximum Power Output 200W x 2 300W x 2 250W x 4

RMS Power Output @ 4 ohms 60Wx2 70Wx2 65Wx4

bass/treble control

subwoofer crossover no yesno

bridged mode 600W x 1 500W x 2

frequency response

input impedance 10 K-Ohms 10 K-Ohms (low)

input sensitivity 150 mV 250 mV (low)

power supply voltage DC 14.4V

matching speaker impedance 4-8 Ohms 2-8 Ohms 2-8 Ohms

400W x 1

15-30 Khz

( 3dB)

+_

negative ground
(10.5-16V)

PB446X

2 ch amplifier

yes noyes

10-30 Khz

( 3dB)

+_

100 Ohms (high)

2.5 V (high)

DC 14.4V
negative ground
(10.5-16V)

PB448X

4 ch amplifier

10-30 Khz

( 3dB)

+_

20 K-Ohms (low)
100 Ohms (high)

250 mV (low)

2.5 V (high)

DC 14.4V
negative ground
(10.5-16V)

PB449X

2 ch amplifier

500W x 2

125W x 2

yes

no

1000W x 1

10-30 Khz

( 3dB)

+_

20 K-Ohms (low)
100 Ohms (high)

250 mV (low)

2.5 V (high)

DC 14.4V
negative ground
(10.5-16V)

2-8 Ohms

maximum current draw 15 A 20 A 30 A

dimensions (WxHxD)

mm

inches

net weight

kg

lbs

230x59x270

9.05 x 2.32 x 10.63 12.09 x 2.32 x 10.63

2.25

4.95

307x59x270

2.95

6.49

389x59x270

15.31 x 2.32 x 10.63

3.85

8.47

30 A

389x59x270

15.31 x 2.32 x 10.63

3.85

8.47

1

2 ch amp PB444X

features and controls

low level inputs

bass control

treble control

input gain control

power LED

speaker connections

power fuse

protection indicator

power terminals

2

owner’s manual

low level inputs this amp features gold-plated RCA input

bass control use this control to adjust the bass output level

treble control use this control to adjust the treble output level

input gain control use this control to match the outputs of

power LED this indicator is illuminated when power

speaker connections these terminals are 14K gold plated to

power fuse the fuse protects the amplifier and your car’s

jacks for high impedance input. Use these
with car stereo output which uses RCA-type
connector cables.

to suit your taste or audio program material.

to suit your taste or audio program material.

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.

is applied.

guarantee high conductivity and minimum
signal loss.

electrical system from short circuit conditions.

protection indicator if the amplifier is incorrectly wired or not

matched to the speaker system, the protection
indicator will come on and the amplifier will
turn off. Disconnect the power wire to reset the
amplifier.

power terminals use these connectors to deliver power, ground,

and remote turn-on control to the amplifier.

3

2 ch amp PB446X•PB449X

features and controls

high level inputs

power LED

low level inputs

input gain control

treble control

bass control

bridged mode switch

4

speaker connections

power terminals

protection indicator

power fuse

owner’s manual

high level inputs if your car stereo does not have RCA output

power LED this indicator is illuminated when power

low level inputs this amp features gold-plated RCA input

jacks, you can connect the speaker output
from the stereo system to the amplifier.

is applied.

jacks for high impedance input. Use these
with car stereo output which uses RCA-type
connector cables.

input gain control use this control to match the outputs of

treble control use the control to adjust the treble output level

bass control use the control to adjust the bass output level

bridged mode switch the amplifier can be bridged to form a

speaker connections these terminals are 14K gold plated to

power terminals use these connectors to deliver power, ground,

protection indicator if the amplifier is incorrectly wired or not

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.

to suit your taste or audio program material.

to suit your taste or audio program material.

high-power one channel unit. Make sure
that the speaker system on the bridged
channel is capable of handling the rated
power and is of the proper impedance.

guarantee high conductivity and minimum
signal loss.

and remote turn-on control to the amplifier.

matched to the speaker system, the protection
indicator will come on and the amplifier will
turn off. Disconnect the power wire to reset the
amplifier.

power fuse the fuse protects the amplifier and your car’s

electrical system from short circuit conditions.

5

4 ch amp PB448X

features and controls

power LED

high level inputs

low level inputs

front input gain control

front bridged mode switch

rear input gain control

rear bridged mode switch

subwoofer crossover on/off switch

subwoofer crossover frequency control

6

speaker connections

power terminals

power fuse

protection indicator

owner’s manual