Amplifier TechnologiesATI AT542NCAmplifier Technologies ATI AT542NC ATI's Latest Amplifier - This is the 500W X 2 Channel ! DEMOATI's Latest Amplifier Technology ! I am selling my ATI AT542NC. I am in the process of moving and this was my Demo unit in my house for a few months. Its in brand new condition in the original b...1900.00

Amplifier Technologies ATI AT542NC ATI's Latest Amplifier - This is the 500W X 2 Channel ! DEMO

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Amplifier Technologies
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Asking Price: $1,900.00

New Retail Price: $2,595.00

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Ships fromBOCA RATON, FL, 33428
Ships toUnited States
Package dimensionsunspecified
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Shipping costSpecified after purchase
Original accessoriesBox
Agon miniAverage Research Pricing

ATI's Latest Amplifier Technology !

I am selling my ATI AT542NC. I am in the process of moving and this was my Demo unit in my house for a few months. Its in brand new condition in the original box with all packing and full manufacturers warranty and Receipt !
I have all the new ATI amps available so please call me to discuss your amp needs.
This is the new Award winning ATI NT500NC Series. This is the 500 Watt 2 Channel version and its incredible. This will compete at Amps 4-6 times the price.

We are authorized ATI so please call me for any of the new ATI amps !!!

Don't wait this won't last long !

All you have to do is read this new review from Sound and Vision and see what they said.

Call me anytime to discuss this amazing amplifier !

We are Theatermax and you can check out our website for all our brands. 

Feel free to call me anytime 11AM -10PM eastern time to discuss these items or any of the great items we represent.   

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have been in business for over 20 years and have incredible feedback as
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Montebello, CA , September 1, 2016 – Amplifier Technologies, Inc., the
prolific manufacturer of many of the high end audio’s best amplifiers
today added a new series of amplifiers. The AT5XXNC amplifiers use
Hypex N-Core Class D output modules with ATI designed input buffers and
linear power supplies and are available with two power configurations.
The AT52XNC amps are rated at 200W RMS per channel at 8 ohms with 300W
RMS at 4 ohms and are available with 2 to 8 channels. The AT54XNC
amplifiers use two N-Core modules per channel in a differential bridged
output configuration delivering 500W RMS per channel at 8 ohms and 900W
RMS at 4 ohms. The AT54XNC amplifiers are available with 2, 3 or 4

These AT5XXNC series amplifiers break new ground in other ways. They
are the first ATI amplifiers to use micro-processor control for turn-on
delay and feature automatic AC power recognition and configuration. The
amplifiers not only recognize whether they are hooked up to 117V or
230V nominal power, they automatically self-configure. The amplifiers
also incorporate a new and novel “sleep” circuit. When the amplifier
receives no input signal for a period of 10 minutes, power is removed
from the output modules and a front-panel LED begins to flash. As soon
as an input signal is detected on any channel, normal playback operation
resumes instantaneously.

Per Morris Kessler, ATI’s president and chief engineer, “We are excited
to offer amplifiers with ATI’s legendary high performance and
reliability in designs that reduce amplifier weight by up to 50%.”

With rated distortion below 0.05% and signal-to-noise ratio of 123 dB
(minimum, referenced to rated output), each amplifier in the series is
capable of playing back the full dynamic range available on today’s
lossless recordings.

Pricing: MSRP
AT522NC Stereo Amplifier (200W RMS per channel) $1,895.00
AT523NC 3-channel Amplifier (200W RMS per channel) $2,295.00
AT524NC 4-channel Amplifier (200W RMS per channel) $2,595.00
AT525NC 5-channel Amplifier (200W RMS per channel) $2,995.00
AT526NC 6-channel Amplifier (200W RMS per channel) $3,295.00
AT527NC 7-channel Amplifier (200W RMS per channel) $3,695.00
AT528NC 8-channel Amplifier (200W RMS per channel) $3,995.00

AT542NC Stereo Amplifier (500W RMS per channel) $2,595.00
AT543NC 3-channel Amplifier (500W RMS per channel) $3,295.00
AT544NC 4-channel Amplifier (500W RMS per channel) $3,995.00

All ATI AT5XXNC amplifiers are covered by ATI’s 7-year transferrable
warranty and are available in standard (17”) chassis. A 19” rack-mount
adapter is available

About Amplifier Technologies

Amplifier Technologies owns the ATI, Audioaccess, BGW and Theta
Digital brands and designs and manufactures state-of-the-art audio
components for its own and other brands in its facility in Montebello,
CA. Guided by legendary amplifier designer Morris Kessler, ATI offers
both performance and value in audio components.



Download AT5XXNC Manual

Remote Trigger

Protection Circuits

Toroid Transformers


Circuit Boards


Soft Start Circuitry





Amplifier Output:


Power Cord

7-Year Warranty





Activated from 3.3VDC to 24 VDC via a heavy-duty relay

Optically - coupled with full automatic reset.

40% more efficient than EI type. Each transformer has two bi-filar windings to assure low noise and crosstalk.

Double-sided, FR-4 glass-epoxy, computer-grade boards are assembled in-house.

New micro-processor controlled turn-on board first ascertains input
voltage and configures transformers for 120V or 230V operation then
ultra soft turn-on timers reduce in-rush current to a minimum. Multiple
units can be turned on without tripping circuit breakers eliminating the
need for sequencing.

Hypex N-Core NC-500 Class D amplifier modules with ATI's custom input buffer insures edge-of-the-art operation.

20A IEC power inlet with detachable, 3-wire cord.

Parts and labor against defects in parts or workmanship.

Two channel model: 17"W X 5 3/4"H X 10 5/8"D

Three and Four channel models: 17"W X 5 3/4"H x 15 1/2"D

39 to 62 1/2 lbs (model dependent)

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Theatermax LLC  Verified Dealer

Last 12 months

Member since November 2009