Altec Lansing 9444A POWER AMPLIFIER User Manual

Altec Lansing 9444A POWER AMPLIFIER Specifications

General

Power Output	300 watts RMS per channel into 8 ohms @ < 0.25% THD
Frequency Response	20Hz to 20kHz
Input Sensitivity	1V
Signal to Noise Ratio	100dB
Dimensions	19 x 5.25 x 13.25 inches

Summary

Altec Lansing 9444A Amplifier Specifications

Continuous Rated Output Power

Specifies the amplifier's output power into different loads and frequencies.

Maximum Midband Output Power

Details the maximum output power at 1 kHz with 1% THD for various load conditions.

Input Sensitivity for Rated Output Power

THD (Total Harmonic Distortion)

IMD (SMPTE)

TIM (DIM 100)

Amplifier Protection

Lists the internal protection mechanisms against overloads and faults.

Load Protection

Describes the output relay protection against transients, DC, and AC line issues.

Cooling

Electrical Connections and Installation

120 VAC Power Connections

Multi-Voltage AC Power Connections

Rack Mounting

Ventilation Requirements

Signal and Output Connections

Input Signal Connections

Speaker Output Connections

Protection Systems and Functionality

Load Protection Circuitry

Explains the output relay protection against transients, DC, and AC line issues.

Amplifier Protection Circuitry

Details internal monitoring and protection for output devices and thermal management.

Speaker Protection Fuse Selection

Compression Driver Protection

Amplifier Operation Modes

Dual Mode Operation

Instructions for operating the amplifier in dual channel mode, including level adjustment.

Bridge Mode Operation

Guidelines for operating the amplifier in bridged mode, including input and level control setup.

Troubleshooting and Problem Solving

Service Information and Adjustments

DC Offset Adjustment Procedure

Procedures for setting the DC offset at the amplifier outputs using a voltmeter.

Bias Adjustment Methods

Methods for adjusting the amplifier's bias level using test equipment or specific settings.