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American Audio V4000 plus User Manual

American Audio V4000 plus
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User Instructions
AMERICAN AUDIO
®
4295 Charter Street
Los Angeles Ca. 90058
Revised 02/02
Professional Power Ampli er
PO WE R
ON
OF F
LI MITER
ON
PROFESSIONAL POWER AMPLIFIER
LI MITER
ON
MO NO ST EREO BR IDGE
-1 5dB
SI GNAL
-1 0dB
-5 dB
CL IP
PR OTEC T
OV ER HE AT
0
10
0
10
V4000
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American Audio V4000 plus Specifications

General IconGeneral
Frequency Response20Hz - 20kHz
THD<0.1%
Input Sensitivity0.775V
Input Impedance20k ohms
Signal to Noise Ratio>100dB
Channels2
Input ConnectorsXLR, 1/4" TRS
Output ConnectorsBinding posts, Speakon
ProtectionShort circuit, thermal, DC offset
CoolingFan Cooled

Summary

Introduction and Safety

Important Precautions

Essential safety guidelines to prevent electrical shock and damage to the unit.

Unpacking and Initial Setup

Instructions for checking the amplifier after shipping and basic setup procedures.

Installation Guidance

Recommendations for mounting the amplifier securely in a standard 19" rack.

Customer Support Information

Contact details and hours for customer assistance and inquiries.

Front Panel Controls and Indicators

Gain and Limiter Controls

Rotary knobs for output gain and switches for activating the limiter.

Front Panel Status Indicators

LEDs for signal level, clipping, protection, overheat, and operating mode.

Rear Panel Connectivity and Controls

Cooling Fans and Fuse Holder

Details on the amplifier's cooling system and the external fuse compartment.

Input, Thru, and Mode Selections

Input jacks, THRU jacks, mode switch, and subwoofer frequency controls.

Speaker Output Connections

Speakon connectors and binding posts for connecting speakers to the amplifier.

Ground Lift and AC Power

The ground lift switch and the AC power cord connection point.

System Setup and Configuration

Input and Thru Connections

Using XLR, 1/4" jacks, and THRU jacks for signal input and routing.

Speaker Output Connections

Connecting speakers via binding posts/banana plugs, including important notices.

Speaker Wiring Methods

Bare Wire and Spade Connector Wiring

Instructions for connecting speakers using bare wire or spade connectors.

Banana Plug and Speakon Wiring

Guidance for banana plug and Neutrik Speakon connections.

Mono Bridge Output Wiring

Specific wiring for mono bridge operation using output terminals.

Operating Modes Explained

Standard Operation Modes

Stereo, Mono Bridge, and Parallel Mono operating configurations.

Subwoofer Operation Modes

Stereo and Mono Subwoofer modes for low-frequency output.

Bridge Subwoofer Mode

High-power mono operation for subwoofers with impedance considerations.

Advanced Operation and Protection

Mono Subwoofer & Bi-Amp Setup

Using Mono Subwoofer and Bi-Amp configurations for specific speaker setups.

Limiter and Power Handling

Details on the built-in limiter and safe power levels for various loads.

Output Protection Features

Information on Short Circuit Protection and its indicators.

Amplifier Features and Specifications

Thermal and Input/Output Protection

Information on thermal protection, input/output impedance, and RF decoupling.

Operating Voltage and Gain Controls

Guidance on correct AC voltage and adjusting gain controls for optimal sound.

LED Indicators Overview

Explanation of the various LEDs on the front panel and their functions.

Function Indicators

Green LEDs indicating the amplifier's current operating mode (Stereo, Mono, Bridge).

Speakon Connector Assembly

Overheat Indicator Details

Explanation of the red overheat LEDs for each channel.

Neutrik Speakon Assembly Steps

Step-by-step instructions for assembling Neutrik Speakon connectors to speaker wire.

Speaker Setup Diagrams

Bridge Subwoofer Mode Setup

Diagram illustrating speaker connection for bridge subwoofer mode.

Stereo Subwoofer Mode Setup

Diagram illustrating speaker connection for stereo subwoofer mode.

Typical Output Connection Examples

Stereo Output Connections

Diagram showing typical stereo speaker connections using Speakon or Banana Jacks.

Mono Bridge Setup

Diagram illustrating typical mono bridge speaker connections.

Amplifier Specifications

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