Kora CSA 1150 Class A Mono Amplifier
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At this level, every detail matters: your room, your system, what you’re driving it with, what you’re listening to. I handle these orders personally because an investment like this deserves more than an Add to Cart button. We’ll work through system synergy, I’ll make sure the setup is right, and we’ll coordinate delivery so it arrives exactly how it should. A few of our brands require this direct approach, but at this price point, it’s how I’d do it anyway. Use the button above, or call/text me directly at 410-239-2020.
Availability
Availability
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Family-Owned Authorized Dealer
Family-Owned Authorized Dealer
We're an authorized dealer for every brand listed on this site, so your warranty is valid and fully supported. We're a real brick-and-mortar shop in Chestertown, MD with shelves of actual inventory, not a drop-shipper. Family-owned and run for three generations, since 1978.
*Free Delivery and Shipping
*Free Delivery and Shipping
Free shipping for most items over $100! Local delivery up to 500 miles more with minimum qualifying purchase.
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Kora CSA 1150 Class A Mono Amplifier
The Kora CSA 1150 is a compact yet powerful mono amplifier built for pure Class A amplification. Featuring Kora’s proprietary SquareTube® technology paired with a heavily filtered linear power supply, it delivers effortless dynamics and exceptional musicality. Designed to operate entirely within its comfort zone, the CSA 1150 ensures smooth, distortion-free sound reproduction with remarkable stability. Intelligent ON/OFF signal detection and adaptive current management make it both efficient and convenient, while its robust French craftsmanship ensures long-term reliability.
Key Features
- Pure Class A Mono Power – 1 x 150 W / 8 Ω for uncompromising performance.
- SquareTube® Technology – Extracts natural dynamics, detail, and tonal accuracy.
- Heavy-Duty Filtering – 400,000 µF ensures stability and headroom.
- Smart ON/OFF Management – Powers up with input signal, shuts down when idle.
- Adaptive Current Control – Adjusts to speaker demands for efficiency.
- Premium French Design – Aluminium and steel construction, mineral grey finish.
Square Tube Technology
The CSA1150 refines Kora’s Square Tube Technology into a design that thrives on balance and clarity. Its hybrid stage lets the tubes breathe warmth and dimensionality into the signal, while the transistor section ensures speed, grip, and low distortion. Together they create a sound that is open, unforced, and deeply engaging, ideal for extended listening without fatigue. 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
| Category | Details |
|---|---|
| Dimensions | 420 x 440 x 260 mm |
| Weight | 32 kg |
| Materials | Aluminium and steel |
| Finish | Mineral grey |
| Accessories | Power cord, instructions |
| Output Power | 1 x 150 W / 8 Ω (pure Class A) |
| Filtering | 400,000 µF |
| Inputs | 1 RCA, 1 XLR |
| Power Management | Automatic ON/OFF (signal detection) |
| Current Management | High/low current switching |
