Avantone Pro CLA-100 100 Watt Power Amplifier


This CLA-100 is an excellent, high value way to power your passive studio monitors like an NS-10, Auratone, ProAc etc. It has been fully tested and comes with a money back, satisfaction guarantee.

We did notice the unit has a mechanical hum to it that can be heard when close to it but does not transfer into the audio path.

The CLA-100 is the latest addition to the CLA (Chris Lord-Alge) line of products, designed to deliver high-fidelity sound with the robustness and reliability expected in both hi-fi and studio environments. This 1U rack-mounted amplifier offers a powerful 100 watts RMS per channel, embodying the classic sound of Class AB systems. It is engineered with high-quality components and advanced design principles to provide superior audio performance at a competitive price.

Key Features:

  1. Powerful Performance:
    • 100WRMS per Channel: Delivers 100 watts RMS per channel into 8 ohms with less than 1% THD+Noise at 1kHz, providing ample power for a variety of professional audio applications.
    • Detailed High End: Driven by power MOSFETs, the CLA-100 ensures detailed high-frequency response, making it ideal for critical listening environments.
  2. Quality Construction:
    • Oversized Toroidal Transformer: Equipped with an oversized toroidal transformer, the CLA-100 ensures consistent power delivery and minimizes electromagnetic interference, contributing to its robust performance.
    • High-Quality Components: Features generous Japanese filter capacitors, which enhance the amplifier’s stability and sound quality.
  3. Accurate and Flat Response:
    • Razor Flat Frequency Response: Boasts a flat frequency response of ±0.25dB from 20Hz to 30kHz at full rated power, ensuring accurate and transparent audio reproduction.
    • Low Total Harmonic Distortion (THD): Maintains high fidelity with minimal distortion, making it suitable for both hi-fi listening and professional studio use.
  4. Efficient Cooling:
    • Convection Cooled: The CLA-100 uses a convection-only cooling system, eliminating the need for noisy fans and ensuring quiet operation, ideal for studio settings.
  5. Compact and Durable Design:
    • 1U Rack Mount: The compact 1U rack-mounted design makes it easy to integrate into existing studio or hi-fi setups without occupying much space.
    • Sturdy Build: Designed to withstand the rigors of both studio and live environments, providing long-term reliability.


  • Studio Monitoring: Provides clean and powerful amplification for studio monitors, ensuring precise and accurate sound for mixing and mastering.
  • Hi-Fi Systems: Suitable for high-fidelity home audio systems, offering detailed and transparent sound that enhances the listening experience.
  • Live Sound: Can be used in live sound setups where reliable and high-quality amplification is required for speakers and monitoring systems.

Comparative Features:

  • CLA-100 vs. More Powerful Models:
    • While similar to its more powerful counterparts in the CLA family, the CLA-100 offers a balance of power and compactness, making it a versatile option for various applications without the need for excessive power.
    • Its performance, coupled with high-quality components, ensures it delivers sound quality on par with more expensive amplifiers.

Technical Specifications:

  • Power Output: 100WRMS per channel into 8 ohms.
  • Total Harmonic Distortion (THD+Noise): Less than 1% at 1kHz.
  • Frequency Response: ±0.25dB from 20Hz to 30kHz.
  • Cooling: Convection only.
  • Size: 1U rack mount.


The CLA-100 is a versatile and reliable Class AB amplifier designed to provide exceptional audio performance in both professional studio and hi-fi environments. Its high-quality components, robust design, and accurate sound reproduction make it an excellent choice for audio engineers and hi-fi enthusiasts alike. With its powerful yet compact design, the CLA-100 stands out as a high-value amplifier that delivers sound quality comparable to more expensive models, ensuring it meets the demands of modern audio production and listening needs.


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As an employee-owned company, we deeply appreciate your support. Your trust in us means the world, and we’re committed to providing unparalleled service every step of the way. Here’s what you can expect with every purchase:

**Extended Warranty**: Enjoy an additional year of warranty on all new items. We’re so confident in the quality of our products that we go the extra mile to ensure your peace of mind.

**Quality Assurance**: Our used items undergo rigorous testing and servicing to guarantee their performance. Plus, they come with a money-back guarantee, so you can shop with confidence.

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**Lifetime Support**: We’re here for you for the long haul. Whether it’s warranty support, part replacements, tune-ups, or trade-ins, count on us to assist you for as long as you own the product.

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