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Cloud CXA450

RRP $1,299.00
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Product Overview

The Cloud CX-A450 is a versatile and innovative multi channel amplifier. It exhibits low levels of noise and distortion, and utilises the highest quality components, ensuring outstanding sound quality and rugged durability. Plug in VCA modules are available for applications where remote level control is required. Line distribution systems of both 70V and 100V are also catered for with the optional high performance transformer modules.

Applications

Features

Applications for the Cloud range of multi-channel amplifiers are as many and varied as the units are versatile.
 They were primarily developed to complement the range of Cloud Zone Mixers which have been extremely successful in multi-zone leisure and retail venues but all three amplifiers can be used in any application where a combination of different programmes and volume levels are required in different areas. The optional VCA modules and line output transformers enhance the flexibility and provide the sound system designer with innovative products capable of solving frequently encountered system design problems. All models have fan cooled power devices and power supplies and can comfortably deliver their full
output over long periods without any adverse effect; when the amplifiers are operating at low power levels, the fan operates silently at a low speed, increasing to a high speed only when operating at high output levels.

Features
• General purpose, high quality 4-channel power amplifier with superior audio performance
• 4 x 50W into 4 ohms
• Very low inter-channel crosstalk
• Thermal protection
• VI limiting
• DC offset protection
• Dynamic Clipping Protection
• Switch-on delay (for speaker protection during power rail stabilisation)
• Pairs of channels may be operated in Bridge Mode
• Per-channel, front-panel LEDs for signal presence, peak level and protection status
• Balanced line level inputs with gain trim
• Rear panel switches to configure for multichannel, stereo or mono operation
• Optional internal 4-channel 100 V/70 V transformer module
• Optional externally-mountable 100 V/70 V transformers (perchannel)
• Optional remote volume control (per-channel)
• A range of optional per-channel EQ cards, to match various popular loudspeakers
• 2U 19” rackmounting units
• Variable speed forced-air cooling
• Five year warranty

Specifications

Performance
Output Power (Normal Mode) 50 W/ch into 4 ohms (all chs driven)
Output Power (Bridge Mode) 100 W nominal into 8 ohms
Frequency Response 10 Hz – 20 kHz, +0/-0.5 dB
High Pass Filter -3 dB @ 65 Hz, switchable per-channel
Distortion THD+N: <0.02% typical, 1 kHz, 60 W into 4 ohms, one channel driven, 22 Hz – 22 kHz
Noise <-96 dB rel. rated output, unweighted, 22 Hz – 22 kHz
Crosstalk <-70 dB, rel. rated output into 4 ohms, 10 kHz
VCA module THD+N <0.03%, 1 kHz, 22 Hz – 80 kHz BW

Inputs
Type & connectors Electronically balanced, 3-pin 3.5 mm-pitch screw-terminal connectors
Sensitivity 0 dBu (0.775 Vrms)
Input Impedance 10 kohms (balanced)

General
Output Connectors (lo-Z) 2-pin 5 mm-pitch screw-terminal connectors
Output Connectors (100/70 V) Screw terminals
Power input 230 V ±5% (115 V ±5% available)
Mains protection Replaceable fuse, T3.15A H
Amplifier Protection VI limiting, DC offset, Thermal, Switch-on Delay & Dynamic Clipping Protection
Status Indicators Signal present, Peak & Protection
Cooling Force cooled, variable speed DC fan
Dimensions (W x H x D) 482.6 x 88 (2U) x 300 mm
Weight 7.15 kg

Product Downloads

  • CXA450 Manual PDF 0.6 MB
  • CXA450 Front JPG 0.5 MB
  • CXA450 Data Sheet PDF 1.0 MB
  • CXA450 Back JPG 0.7 MB

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*Prices are in AUD, include GST and are subject to change. Please call National Audio for pricing and availability on the CXA450.