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Cloud CXA450

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Product Overview

The Cloud CXA450 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

  • 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 (per-channel)
  • 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

Accessories

  • RL-1 & RL-1A Remote Music Level Control
  • VCA5 1 Channel VCA Card
  • CXL-40T 40W Toroidal Transformer
  • CXL-800 Rack Mounting Housing
  • BOSE Loudspeaker EQ Card
  • EQ Cards for Amina AIWX & LFiT Loudspeakers
  • RL-1B Remote Volume Level Control Plate in Black
  • RL-1W Remote Volume Level Control Plate in White
  • RL-1MW Remote Volume Level Media Control Plate in White

Specifications

Full specifications are available under the Downloads tab above

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 Data Sheet PDF 1.0 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.