Atoll Power Amps:
Made In France With 3 Year Warranty

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AM100, $1600 (100×2)

Two 340VA transformers, 32,248 uF caps,

Four MATCHED MOSFET output transistors

AM100 is a FABULOUS affordable power amp! Its sonic character is smooth without bite or grain. You could listen and infer it is a tube power amp due to its lack of harshness. The bass is full yet not fat. It isn’t lean or skimpy. Most lean amps (Ds for ex) sound bright because you have a tendency to play them loudly to try to garner more bass. AM100 is strong enough to drive any speakers we have WELL. If you’re not a cranker, AM100 is likely to be as far as you need to go. Further, AM100 is plenty quiet enough to run with very high efficiency speakers like Klipsch Heritage. It’s also strong enough to please you with hungry Magnepans. I think it’s a particularly fine pairing with the exceptional Bryston and Axiom speakers.

AM200, $2300 (120×2)

Two 340 VA transformers, 57.280uf caps

Eight MATCHED MOSFET output transistors

AM200 matches AM100’s smoothness, but has a good deal more KICK if you need it. With double the output transistors and power supply caps, AM200 is a Beastie Boy! For just a bit over $2k you get an amp that will thrill you, from Pans to Horns to muscular Brystons & Axioms. AM200’s extra power and control in the bass will pay off if you like to throw barbells around the room. It’s absolutely meaty, beaty, big & bouncy!

AM300, $3900 (150×2 or 500w MonoBlock)

Two 440VA transformers, 83,300uf caps

Twelve MATCHED MOSFET output transistors

AM300 is simply a spectacular amp by any measure! Its transformers are a quarter larger than its little brothers. It runs a third more power supply caps. It runs a third more output transistors. Add this all up and yes, AM300 has about a third more calories than AM200. What this means to your music is even more WEIGHT and control in the bass most specifically. If you run AM300 into Pans or Brystons, these are speakers that can seriously appreciate the extra octane. AM300’s transient speed is scintillating! What’s more impressive is that AM300 can provide this propulsion without a hint of grainy flavor. AM300 can also be bridged, running 500 watts in mono. It can drive the most challenging of speakers, regardless of price or efficiency.

Meet The Family

The family of Atoll power amps sounds SO GOOD, at such fair pricing, that I want to be sure you’re aware of all three. Each is a class leading performer at its price point.

All Atoll products start with massive power supplies that make their price similar competitors blush with embarrassment. As you study these power amps, be sure to check out the inside photos we’ve provided- and compare them to what the other guys offer.

Even a casual look will make clear that Atoll provides you with a generous array of hardware. Their construction is a work of art. Virtually all competitors are a spaghetti bowl of wires connecting multiple PCBs.

Atoll amps are built with through hole parts vs surface mount parts. These sound better, resist heat build up, and make any repairs down the road no problem.

All of these amplifiers use a PAIR of very large transformers. They’re true dual mono designs. They all use a high value of filter capacitance. They all use MATCHED MOSFET output transistors. As you go north in the line, you get larger, and more, of these outstanding parts.

The benefit of employing very substantial parts is that you get deeper, stronger bass, and superior dynamic range compared to flimsier built amps.

You will find that all three of these amps produce much more power, and specifically deliver more testosterone in the bass, than like priced competitors.

You can flat out dismiss watts per channel ratings when you evaluate Atoll amps. Due to the formidable supplies and exquisite build quality, Atoll provides cleaner, quieter sound with power and dynamics you didn’t know your speakers had.

Atoll’s MATCHED MOSFET output transistors are essential to smooth sound. Output transistors have sonic fingerprints, because in the real world, none of them are 100% spot on to a beta design.

Imagine the ideal transistor performs like a perfect circle, meaning, there’s no distortion. In reality, since none are perfect, we want to match transistors that have fingerprints that are so close to each other that it’s impossible to distinguish differences among them. To do this, Atoll measures and matches transistors before they get installed. This is a painstaking effort that few companies will take the time and trouble to do. Atoll has created its own test gear to accomplish this at an efficient pace.

The other guys out there buy thousands of transistors and just slap them in amps as they come out of the box. The particular amp that ends up at your house can have all manner of distortion characteristics that results in a beehive of grainy sound.

If you have a power amp in your system that’s a couple decades old, please consider updating. You’ll hear smoothness, weight and impact from your speakers that you had no idea they could produce. Time has marched on. Even AM100 will trounce high brow names from a couple decades back- at much less money than you spent then. AM200 is stronger and more refined. AM300 is 25% stronger and a match for the best speakers going. Further, AM300 can be run in monoblock config at 500 watts per block. It’s ALMOST too much fun!