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In stock: Available
SKU
AT54XNC
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Retail Price: $2,195.00

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ATI Amplifier Technologies - AT54XNC Series - D-Class Amplifier is available to buy in increments of 1

ATI Amplifier Technologies - AT54XNC Series - D-Class Amplifier

ATI Amplifier Technologies Inc.

ATI Amplifier Technologies - AT54XNC Series - D-Class Amplifier

Amplifier Technologies, Inc., the prolific manufacturer of many of the high-end audio’s best amplifiers added the N-Core series of amplifiers to their line-up. 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 1, 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.

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 the 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.


Note: Sound Approach is an Authorized Dealer for the United States only. Visit ATI-AMP.com for a list of International Dealers.

ATI Amplifier Technologies - AT54x NC Series

FEATURES:

  • 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 cross-talk
  • 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 without tripping 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
  • 7-Year Warranty - Parts and labor against defects in parts or workmanship

SPECIFICATIONS:

Series
        AT54XNC

Number of Channels
        2 to 4

EIA 1kHz Output Power at 8 Ohms
        650 Watts

EIA 1kHz Output Power at 4 Ohms
        1000 Watts

FTC Full Bandwidth Output Power at 8 Ohms
        500 Watts

FTC Full Bandwidth Output Power at 4 Ohms
        900 Watts

Input Sensitivity for Full Rated Power
        2.5 Volts

Frequency Response at Rated Output
        20Hz to 20kHz +0, -.5dB

Phase Response
        +5 to -15 degrees from 20Hz to 20kHz at 1 watt

Signal-to-Noise Ratio “A-Weighted”
        Greater than 123dB below rated FTC Full Bandwidth Output

Total Harmonic Distortion (THD)
        Less than 0.02% at full rated FTC power

Intermodulation Distortion (IMD)
        Less than 0.03% at full rated FTC power

Load Impedance
        Safe with all types of loads. Rated for 4 to 16 ohms

Power Bandwidth FTC
        +0, -3 db from 20 Hz to 40 kHz

Damping Factor
        Greater than 5000 from 10 Hz to 400 Hz

Crosstalk
        Greater than 100 dB from 20 Hz to 20 kHz

Voltage Gain through RCA
        27.8dB ±0.2 dB

Voltage Gain through XLR
        27.8dB ±0.2 dB

Slew Rate
        >60 V/µs

Input Impedance
        Nominally 47 KOhms

Remote Trigger Voltage
        3.3 to 24 Volts DC at 5 mA or greater

DC Output Offset
        Less than ±10 mV

Power Requirements
        120 VAC / 230 VAC (other voltages available on export models)

Chassis Dimensions (W x H x D) Inches
        17 x 5 3/4 x 10 5/8 (2 Channels)
        17 x 5 3/4 x 15 1/2 (3 or 4 Channels)

Net Weight (lbs/kg) Model Dependent
        39 to 66 / 18 - 30

Shipping Weight (lbs/kg) Model Dependent
        49 to 76 / 23 to 35

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