Other products by Amplifier Technologies
(Tech Support Website)

Item #: AT523NC
MSRP: $2,595.00

AT52XNC 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 channels.


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.




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


Protection Circuits: Optically - coupled with full automatic reset.


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


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


Soft Start Circuitry:

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 withouttripping circuit breakers eliminating the need for sequencing.


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


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



Two to four channel models: 17"W X 5 3/4"H X 10 5/8"D
Five to eight channel models: 17"W X 5 3/4"H x 15 1/2"D


Weight: 39 to 62 1/2 lbs (model dependent)




Number of Channels: 2-4


EIA 1kHz Output Power at 8Ω*: 250 watts


EIA 1kHz Output Power at 4Ω*: 375 watts


FTC Full Bandwidth Output Power at 8Ω**: 200 watts


FTC Full Bandwidth Output Power at 4Ω**: 300 watts


Input Sensitivity for Full Rated Output: 1.6 volts


Frequency Response: +0,-.5dB20-20kHz


Damping Factor: >5000


Crosstalk: Greater than 100 dB from 20 Hz—20 kHz


Voltage Gain through RCA Jacks: 27.8 dB


Voltage Gain through XLR Jacks: 27.8 dB


Slew Rate: >60V/µSec


Input Impedance: 47 kΩ


DC Output Offset: Less than ± 10mV


Power Requirements: 120/230VAC


Chassis Dimensions (W x H x D) Inches: 17x5 3/4x10 5/8


Chassis Dimensions (W x H x D) millimeters: 432x146x270


Net Weight (lbs/kg) Model Dependent: 39-64 1/2/17.8-29.8


Shipping Weight (lbs/kg) Model Dependent: 49-75 1/2 22.3-34.4

Prop 65WARNING: This product contains chemicals including Styrene which is known to the state of California to cause cancer, and Bisphenol A (BPA), which is known to the state of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

New Project

Print Project