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JBL P80.4 - User Manual

JBL P80.4
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P80.4
4 CHANNEL
AUTOMOTIVE
POWER AMPLIFIER
TECHNICAL MANUAL
JBL CONSUMER PRODUCTS
250 CROSSWAYS PARK DRIVE, WOODBURY, NY 11797
8500 BALBOA BOULEVARD, NORTHRIDGE, CA91329
WWW.JBL.COM
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JBL P80.4 Specifications

General IconGeneral
Channels4
RMS Power at 4 Ohms80 W x 4
RMS Power at 2 Ohms120 W x 4
Bridged RMS Power at 4 Ohms240 W x 2
THD at Rated Power<0.05%
Input Sensitivity200mV - 4V

Summary

Controls and Connections

Input Channels (RCA)

Connects left and right input channels using RCA plugs.

Speaker Output Connector

Connects speaker wiring to the amplifier's output connectors.

Fuse

Contains two 20 Amp ATC type fuses for protection.

Power Connection

Provides connections for 12V+, GND, and REM power wires.

Input-Level Control

Adjusts input sensitivity for pre-amp and speaker level inputs.

Frequency Adjustment

Adjusts crossover frequency response when LPF/HPF switch is active.

Filter Switch

Selects LPF, FLAT, or HPF frequency response modes.

High-Level Input

Connects high-level speaker output signals to the amplifier.

Parts List

Field-Effect Transistors (FETs)

List of Field Effect Transistors used in the amplifier.

Transistors

List of Bipolar Junction Transistors used in the amplifier.

Diodes

List of diodes, including rectifier, switching, and zener diodes.

Resistors

List of various resistors with their values and types.

Capacitors

List of capacitors, including electrolytic, mylar, and ceramic types.

Miscellaneous Components

List of miscellaneous parts like thermistors, switches, and lamps.

Sub-PCB Components

List of components associated with the sub-PCB.

Mechanical Parts

List of non-electronic parts like screws, heatsinks, and covers.

Integrated Circuit Diagrams

TL494 CN P.W.M IC

PWM IC diagram for controlling power supply and output.

KIA4559 S Dual Op Amp

Dual operational amplifier IC used in the audio circuitry.

UPC4570 HA Dual Op Amp

Dual operational amplifier IC used in the audio circuitry.

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