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ATI

Amplifier Technologies Inc

ATI amplifiers accurately deliver music as it is meant to be heard. Pure and simple.

Signature Series Amplifiers

A“Pure Balanced” current feedback Class AB topology.

AT4000 SIGNATURE SERIES
All ATI amplifiers are fully designed and assembled in the USA

The ATI AT4000 Signature Series amplifiers are available in 2 to 7 channel configurations, delivering a powerful 200 watts RMS per channel into 8Ω. Designed for exceptional reliability and high-fidelity performance, each amplifier proudly features Morris Kessler’s facsimile signature on the front panel, highlighting its premium Signature Series heritage and uncompromising engineering excellence.

AT6000 SIGNATURE SERIES
All ATI amplifiers are fully designed and assembled in the USA

The ATI AT6000 Signature Series amplifiers are available in 2 to 7 channel configurations, delivering an impressive 300 watts RMS per channel into 8Ω. Renowned for their exceptional musicality, effortless dynamics and reference-grade performance, each amplifier proudly features Morris Kessler’s facsimile signature on the front panel, signifying its prestigious Signature Series heritage and uncompromising engineering quality.

Class AB Series

The ATI AT1820 Series amplifiers are designed to deliver exceptional performance for everything from high-fidelity two-channel music systems to immersive multi-channel home cinemas. Available in configurations from the two-channel AT1822 to the seven-channel AT1827, every model features ATI’s Soft Turn-On protection technology, ensuring reliable operation, extended component life and outstanding audio performance.

AT1820 SERIES
All ATI amplifiers are fully designed and assembled in the USA

The ATI AT1820 Series amplifiers are available in 2 to 7 channel configurations, delivering 200 watts RMS per channel into 8Ω and 300 watts RMS per channel into 4Ω. Combining exceptional value, outstanding performance and renowned ATI reliability, the AT1820 Series is an ideal choice for premium stereo systems and high-performance home cinema installations.

Pure Balance Series

The ATI Pure Balance Series amplifiers are engineered to deliver extraordinary multi-channel performance for both high-fidelity music reproduction and immersive home cinema systems. Featuring ATI’s latest Pure Balance Class AB differential amplifier technology, they provide exceptional clarity, dynamic power, low distortion and the uncompromising audio performance expected from a premium reference amplifier.

AT3300 SERIES
All ATI amplifiers are fully designed and assembled in the USA

The ATI AT3300 Pure Balance Series amplifiers are available in 2 to 8 channel configurations, delivering a powerful 330 watts RMS per channel into 8Ω and 425 watts RMS per channel into 4Ω. Featuring ATI’s advanced Pure Balance Class AB differential amplifier technology and an extended 20Hz–40kHz power bandwidth (+0, -3dB), the AT3300 Series delivers exceptional dynamics, accuracy and reliability for reference-quality music and home cinema systems.

Class D Series

The ATI AT500NC Series amplifiers are available in 200 watts RMS per channel models from 2 to 8 channels and high-power 500 watts RMS per channel models from 1 to 4 channels. Housed in a compact 3RU chassis, the AT500NC Series combines legendary ATI sound quality, outstanding power and proven reliability with stable operation into 4Ω to 16Ω loudspeaker loads, making it an ideal choice for premium stereo and home cinema installations.

AT500nc SERIES
All ATI amplifiers are fully designed and assembled in the USA

The ATI AT500NC Series amplifiers combine the outstanding sound quality of a premium Class AB amplifier with the efficiency, compact size and energy savings of advanced Class D technology. Engineered to deliver exceptional musical accuracy, dynamic performance and long-term reliability, the AT500NC Series offers the perfect balance of audiophile sound quality and modern amplifier efficiency for high-performance stereo and home cinema systems.

Distribution Amplifiers

The ATI AT7012 and AT7016 distribution amplifiers are engineered for demanding multi-room audio and multi-zone installations in residential and commercial environments. Delivering 70 watts RMS per channel, these high-performance amplifiers provide clean, dynamic sound to power up to 16 loudspeakers across as many as 8 independent zones, offering exceptional reliability, installation flexibility and premium audio performance throughout the property.

AT7000 SERIES
All ATI amplifiers are fully designed and assembled in the USA

The ATI AT7012 and AT7016 distribution amplifiers are available in 6-zone/12-channel and 8-zone/16-channel configurations, providing flexible, high-performance audio distribution for residential and commercial installations. Each zone features its own dedicated two-channel amplifier module with an independent DC power supply, ensuring exceptional channel separation, consistent performance, outstanding reliability and clean, dynamic sound throughout every listening zone.

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