Avantone CLA-400

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Avantone CLA-400

Avantone

CLA-400

4.5 Expert Rating

Product Info

Article Number: 543007
Brand: Avantone
Model: CLA-400
Price: $1,571.90

* Prices may vary. Check retailer for current pricing and availability.

The Avantone CLA-400 is a seriously beefy amp, delivering clean, powerful sound. It’s a great choice for studios or live rigs needing reliable power and a classic, analog feel, especially if you're running larger passive speakers. The VU meters are a fantastic touch for accurate level control.

Product Description

  • Avantone CLA-400
  • Studio Power Amplifier
  • Class A/B amplifier
  • Suitable for passive speakers
  • Analogue signal path
  • 2 Large VU meters for optical feedback
  • Cooling by convection (no fan installed)
  • 3 Operating modes: Stereo
  • bridge and parallel
  • 2 XLR inputs with link output
  • 2 Speakon sockets or banana connectors at the outputs
  • Power: 2x 540W at 4Ohms (1kHz)
  • 2x 360W at 8Ohms (1kHz)
  • Bridged mono: 760W at 8Ohm (1kHz)
  • THD (1kHz): <0.1%
  • Frequency response: 20 - 20
  • 000 Hz +/- 0.5dB
  • Input impedance: 20kOhm (balanced)
  • 10kOhm (unbalanced)
  • Signal-to-noise ratio: > 103dB
  • Construction: 19" / 3HE
  • Dimensions (W x D x H): 48.3 x 48.7 x 13.3 cm
  • Weight: 22.2 kg
PROS
  • • Robust steel chassis provides excellent shielding and rigidity.
  • • Class A/B design offers a good balance of power and efficiency.
  • • Large VU meters offer precise visual feedback of output levels.
  • • Flexible bridging and parallel modes increase versatility for different setups.
CONS
  • • Convection cooling limits maximum power output in warm environments.
  • • Relatively heavy, making rack mounting a two-person job.
  • • Limited input options compared to some more feature-rich amplifiers.

Product Video

Key Features

Power (Watts) 2x 540W @ 4Ω, 2x 360W @ 8Ω, 760W bridged mono @ 8Ω
Channels 2 Stereo, Bridge Mono, Parallel
Class A/B
Impedance 20kΩ (balanced), 10kΩ (unbalanced)
Cooling Convection
Weight 22.2 kg

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Frequently Asked Questions

While efficient, the convection cooling means you’ll need good ventilation to prevent overheating during prolonged, high-power operation – it’s not ideal for extremely hot environments.
Yes, bridging the amplifier doubles the output to a single channel, making it suitable for driving a single, high-power subwoofer.
The CLA-400 delivers a very clean and powerful sound, but lacks the ultimate refinement and harmonic richness of a true Class A amp – it's a great value proposition for the performance.

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