JB Systems VX400 User Manual

Operation Manual
Mode d'emploi
Gebruiksaanwijzing
Bedienungsanleitung
Manual de instrucciones
Version: 1.0 The Power Source for DJ’s
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Copyright © 2004 by BEGLEC cva.
Reproduction or publication of the content in any manner, without express permission of the publisher, is prohibited.
VX-SERIES
AMPLIFIERS

JB Systems VX400 Specifications

General

Amplifier type	Class AB
Frequency response	20Hz - 20kHz
Outputs	Speakon, Binding posts
Dimensions	482 x 88 x 260 mm
Weight	7.2 kg
Input Sensitivity	0.775V
Input impedance	10k Ohms
S/N ratio	>95dB
Protection	Thermal, short circuit, DC
Inputs	XLR, 6.3mm jack
Power supply	230V, 50Hz
Impedance	4 Ohms, 8 Ohms
Signal to Noise Ratio	>95dB

Summary

Safety Instructions

General Safety Precautions

Alerts user to risks of electric shock, fire, and moisture.

Important Operating Instructions

Guidance on ventilation, heat sources, and unit maintenance.

Cleaning the Unit

Instructions for cleaning the amplifier safely and effectively.

Front Panel Controls

Power and Indicators

Description of POWER LED, MAINS SWITCH, and PROTECT LED.

Gain and Clip Indicators

Explanation of GAIN CONTROLS and CLIP LED function.

Mode Indicators

Details on BRIDGE LED and PARALLEL MODE indicator.

Ventilation

Importance of VENTILLATION HOLES for cooling.

Rear Panel Connections and Controls

Ventilation and Outputs

Details on FAN & VENTILLATION HOLES and SPEAKON OUTPUTS.

Speaker Connections

Guidance on using BINDING POST SPEAKER OUTPUTS.

Mode and Ground Lift

Explanation of GROUND LIFT switch and MODE switch.

Speaker Connection Modes

Stereo Mode

Instructions for connecting speakers in stereo configuration.

Bridge Mode

Guide for connecting speakers in bridge mode for increased power.

Parallel Mode

Instructions for connecting speakers in parallel mode.