Cloud-electronics VTX4400 Manuel d'utilisateur télécharger pdf (Page 5)

VTX Series User Manual v1.0 5

General Description

Cloud VTX ampliers are a range of high power multi-

channel audio ampliers intended for use with high quality

PA and music systems in locations where unquestionable

long-term reliability is the primary consideration. As well as

theatres, leisure centres and other major venues, they are

also ideal for airport terminals, railways stations and similar

large public spaces.

VTX ampliers deliver excellent audio quality at all rated

powers and have all the facilities and features that installers

have come to expect from Cloud products. The VTX range

are the rst Cloud products to offer a plug-in surveillance

card option, permitting the operating parameters and

settings of all networked ampliers to be monitored

anywhere, using any computer’s standard web browser.

Applicable Models:

This manual describes the installation and operation of the

following models:

• Cloud VTX4120 4-channel amplier

– 4 x 120 W into 4 ohms

• Cloud VTX4240 4-channel amplier

– 4 x 240 W into 4 ohms

• Cloud VTX4400 4-channel amplier

– 4 x 400 W into 4 ohms

All models are 2U, 19” rack-mounting units. Apart from

the output power rating, the three models are identical for

the practical purposes of installation and operation. Unless

specically stated otherwise, the information in this manual

may be taken to apply to all models.

VTX range main features:

• High power multichannel ampliers for “install-and-

forget” applications

• 120 W, 240 W or 400 W per channel into 4 ohms

(model-dependent)

• Extensive protection against short-circuit and reactive

loads, clipping, DC and overheating

• Chs1 & 2 and/or 3 & 4 may be operated in Bridge Mode

• Per-channel, front-panel LEDs for power status, signal

presence, peak level and protection

• Balanced line level inputs with gain trim

• Congurable for 4 channel, dual stereo or mono use

• Per-channel switched hi-pass lter

(18 dB/oct below 65 Hz)

• Optional VTX-WM1 card allows amplier monitoring

from a standard web browser

• Optional remote volume control (per-channel)

• Optional Bose® EQ cards (per-channel)

• 2U 19” rackmounting unit

• Forced-air cooling

• Five year warranty

Block Diagram

g.1: VTX Series Block Diagram

1 2 3 4 5 6 7 8 9 10 ... 15 16

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Cloud-electronics VTX4400 Manuel d'utilisateur Page 5

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