Hypex N-Core® Class D amplifier topology
Linear power supplies
Automatic AC power recognition
Microprocessor controlled soft-start turn-on

200W per channel
2 to 8 channel models
3RU 5.25” rack mount, 6” standard height

ATI AT52X SERIES AMPLIFIER

The ATI AT52X series amplifier is designed and built around the musical and highly efficient Hypex N-Core® amplifier technology, the AT52XNC model amplifiers deliver a robust 200 watts of power per channel. Each amplifier channel employs one N-Core® module to drive the loudspeaker and deliver sonic impact to the presentation. Available in 7 models from 2 to 8 channels, the AT52XNC Series offers efficient amplifier performance and value. High current toroidal transformers, a standard for all ATI power amplifiers, provide clean power and stable performance.

Hypex N-Core® Class D amplifier topology
Linear power supplies
Automatic AC power recognition
Microprocessor controlled soft-start turn-on

200W per channel
2 to 8 channel models
3RU 5.25” rack mount, 6” standard height

The AT500NC Series amplifiers have been designed to be compact and efficient while still providing high power for more demanding multi-channel listening environments. The AT52XNC model amplifiers employ Hypex N-Core® amplifier modules combined with an ATI designed custom gain stage and linear power supply. Each amplifier channel produces 200 watts of output power into 8 ohm loudspeakers and 300 watts into 4 ohm loudspeakers. Around the back of the amplifier, each channel has an RCA unbalanced input, an XLR Balanced input, input selection switch and a pair of gold-plated, 5-way binding posts for the outputs.

There is also a 1/8” mono mini jack for +12V trigger, a gold-plated chassis ground lug, a fuse holder and an IEC 20 Amp inlet for the provided detachable power cord.

The supplied power cord will have either: a NEMA 5-15 plug (Type B) for use in the USA, a BS 1363 (Type G) plug for use in the UK, or a Schuko (Type F) plug for use in the EU and the rest of the world.

Specifications

Audio

Numbers of Channels
2 to 8

Full Bandwidth Power Output into 8Ω (FTC)
200WRMS

Full Bandwidth Power Output into 4Ω (FTC)
300WRMS

Frequency Response:
+0dB, -0.5dB 20Hz – 20kHz

Power Bandwidth (FTC)
+0,-3 dB 20Hz – 40kHz

Phase Response:
+5 to -15°, 20Hz – 20kHz @ 1W

Input Sensitivity for Full Rated FTC Output Power – 8Ω:
2.85 Volts

Signal-to-Noise Ratio (Ref FTC Rated Power, A-Wtd):
>120dB

Total Harmonic Distortion + Noise (20Hz – 20kHz):
<0.02%

Intermodulation Distortion:
<0.03%

Recommended Load Impedance:
Safe for all types of loads. Rated for 4Ω to 16Ω

Damping Factor:
>800

Crosstalk:
Greater than –90 dB from 20 Hz to 20 kHz

Gain
28.5dB ±0.2dB

Slew Rate:
>60V/µS

Input Impedance:
20kΩ

Output DC Offset
Less Than ±25mV

Physical

Chassis Dimensions (W x H x D) mm:
AT522NC-AT524NC: 432 x 153 x 270
AT525NC-AT528NC: 432 x 153 x 394

Shipping Weight (kg):
AT522NC: 20
AT523NC: 22
AT524NC: 22
AT525NC: 31
AT526NC: 31
AT527NC: 35
AT528NC: 36

Electrical

Power Requirements
Universal Auto-Select AC Voltage Ranges: 90-132 VAC or 200-260VAC – 1x 20 Amp Circuit ≤1W (120 VAC)

Power Consumption (Standby)
≤0.5W (240 VAC)

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. Separate bi-filar windings for each channel guaranty lower 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 without tripping circuit breakers eliminating the need for sequencing.

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

Power Supply Capacitance
N/A

Power Cord
Dual detachable, 3-wire cord.

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