Kora CSA 270 Class A Stereo Amplifier

The Kora CSA 270 is a refined stereo amplifier designed for pure Class A amplification, offering natural musicality and dynamic precision. Built with Kora’s proprietary SquareTube® technology and a heavily filtered linear power supply, it ensures effortless signal delivery and a true-to-source listening experience. With automatic ON/OFF signal detection and adaptive current management, the CSA 270 intelligently balances performance and efficiency. Compact yet powerful, it embodies French craftsmanship with a robust aluminium and steel build.

Key Features

• Pure Class A Stereo Power – 2 x 70 W / 8 Ω for high-fidelity performance.
• SquareTube® Technology – Preserves tonal accuracy and natural dynamics.
• Heavy-Duty Filtering – 400,000 µF for stability, detail, and headroom.
• Smart ON/OFF Management – Automatic signal-based power control.
• Adaptive Current Control – Adjusts to loudspeaker demands for optimal efficiency.
• Premium French Design – Built in Toulouse, aluminium and steel chassis, mineral grey finish.

Square Tube Technology

With the CSA270, Kora’s Square Tube Technology scales into a versatile integrated that balances musical intimacy with real driving power. Tubes define tone and texture, while the solid-state section ensures speed, precision, and bass authority. The result is a performance that feels natural at low levels yet grows with confidence when the music demands scale. Learn more about Square Tube Technology.

The Listening Room Difference

We’re a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland, and a reputation built on trust, not hype. Whether you’re visiting in person or ordering online, we bring decades of experience, personalized service, and honest guidance to every interaction. We don’t just ship boxes. We help build systems, answer your questions like real humans, and make sure every detail of your setup is right, from the cables to the final connection. Our passion is helping you get the most out of your gear, with support that lasts well beyond the sale.

Specifications