Velocity V450 User Manual

x 50 + I x 130 or 2 x 130 Watt Audio Amplifier
Limiting and HUSH@ Noise Reduction
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Velocity V450 Specifications

General

Brand	Velocity
Model	V450
Category	Amplifier
Language	English

Summary

INTRODUCTION

OWNER'S RECORD

Section for recording model and warranty numbers for future reference.

KEY FEATURES OVERVIEW

Summarizes major features like Distortion Limiting, HUSH noise reduction, and versatile controls.

UNDERSTANDING YOUR AMPLIFIER'S FEATURES

WHAT IS AN AMPLIFIER?

Defines an amplifier and the concept of signal distortion.

DISTORTION LIMITING

Explains how the amplifier prevents distortion at high signal levels.

HUSH™ NOISE REDUCTION AND DOWNWARD EXPANSION GATING

SIGNAL TRANSFER FUNCTION

Illustrates how HUSH™ circuits affect signal transfer compared to standard amps.

SIGNAL TO NOISE CHARACTERISTICS

Shows the improvement in signal-to-noise ratio with HUSH™ at various music levels.

VCA's & ELECTRICAL PIN-OUTS

VCA OPERATION AND TRANSFER FUNCTION

Explains VCA circuits for remote gain control and their transfer characteristics.

REMOTE CONTROL AND PINOUT DIAGRAMS

Details the optional remote control interface and amplifier's electrical pin assignments.

INSTALLATION AND SAFETY PRECAUTIONS

WARNINGS AND SAFETY GUIDELINES

Crucial warnings about battery disconnection, installation location, and safety practices.

AMPLIFIER CONTROLS AND OPERATION

CORE CONTROLS AND SETTINGS

Explains Tone, Crossover, Gain, Channel Mode, Bass Boost, and Distortion Limiting controls.

AMPLIFIER CONNECTIONS AND INTERFACE

POWER AND SIGNAL CONNECTIONS

Details power inputs, ground, trigger, remote control, and audio signal inputs.

SPEAKER OUTPUTS

Explains speaker output terminals, impedance requirements, and wiring.

SPEAKER CONFIGURATIONS

BASIC CONFIGURATION MODES

Describes 4-channel, 3-channel (HP/LP), and 2-channel modes for speaker setups.

SYSTEM CONFIGURATIONS (#1 OF 4 RECOMMENDATIONS)

STEP-UP POWER CONFIGURATION

Basic setup for 4-channel full-range audio with front and rear speakers.

SYSTEM CONFIGURATIONS (#2 OF 4 RECOMMENDATIONS)

SATELLITE/SUBWOOFER CONFIGURATION

3-channel setup for high-pass front speakers and a low-pass/bridged subwoofer.

SYSTEM CONFIGURATIONS (#3 OF 4 RECOMMENDATIONS)

MULTI-MODE CONFIGURATION

4-channel setup creating a quasi-satellite/subwoofer system using passive crossovers.

SYSTEM CONFIGURATIONS (#4 OF 4 RECOMMENDATIONS)

MULTIPLE AMPLIFIER CONFIGURATION

Using multiple amps for dedicated audio spectrum parts, enabling independent control.

FINAL INSTALLATION

MOUNTING, VENTILATION, AND INPUT INTERFACE

Guidance on secure mounting, proper airflow, and signal input connection methods.

INTERNAL CROSSOVERS AND TONE CONTROLS

Explanation of crossover modes (OFF, HP, LP) and tone control functions.

CLEAN POWER AND GROUND

PROPER FUSING

Recommendations for appropriate fuse sizes based on total system audio power.

POWER WIRING

POWER AND GROUND WIRING CHART

Chart detailing recommended wire gauge for power/ground by wattage and length.

SPEAKER WIRING CHART

Chart detailing recommended speaker wire gauge by wattage and length.

TROUBLE-SHOOTING GUIDE

COMMON SYMPTOMS AND SOLUTIONS

Covers issues like no power, no sound, channel problems, overheating, and noise.

LIMITED WARRANTY (UNITED STATES)

WARRANTY NOTICES AND CONTACT INFO

Includes notices for California and non-USA owners, plus contact details.

ACCESSORIES

AVAILABLE ACCESSORIES LIST

Details optional accessories like remote control, bass bridge, end caps, and capacitor bank.

TECHNICAL SPECIFICATIONS

FEATURES AND PERFORMANCE DATA

Lists physical features, performance metrics, and operational parameters of the amplifier.