ATI Audio AT500NC SERIES Owner'S Manual Download

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AT500NC Manual

Rev-10/17

Appendix C - Specifications

(Specifications subject to change without notice)

Analog Audio Inputs

One Single-ended (RCA) jack per channel & One Balanced (XLR) jack per channel

Toggle Switch to choose jack

Input Impedance

47 k

Balanced for each phase

Input Sensitivity

AT52Xnc - 1.5V input for 200W RMS

AT54Xnc - 2.35V RMS input for 500W

8 ohms

Gain

28.5dB

Polarity

(Single-Ended) Non-Inverting

Balanced; Pin-2 = Positive, Pin-3 = Negative for Non-Inverting Output

Speaker Output

Binding posts; 1 pair per channel

Mode / Process

Standby: Amplifier is ready to be turned on via front panel switch or remote trigger.

Overcurrent, D.C., and/or thermal protection: Amplifier will cycle.

Catastrophic D.C. or output stage failure: Amplifier will shut down.

Power Output - 8 ohms

AT52X

AT54X

Per Channel

8 Channels

2 Channels

1 Channel

20 Hz-20 kHz, < 0.02% THD

200W

500W

600W

1 kHz, 0.02% THD, (Watts)

200W

225W

550W

650W

1 kHz, 1% THD

210W

250W

600W

700W

CEA 2006 1 kHz Burst Power

300W

700W

800W

Power Output - 4 ohms

AT52X

AT54X

Per Channel

4 Channels

2 Channels

1 Channel

20 Hz-20 kHz, < 0.02% THD

300W

500W

900W

1 kHz, 0.02% THD, (Watts)

350W

550W

950W

1 kHz, 1% THD

375W

400W

600W

1000W

CEA 2006 1 kHz Burst Power

450W

500W

700W

1000W

Distortion

AT52Xnc

AT54Xnc

THD + N, 20 Hz - 20 kHz

0.02%

THD + N @ 1 kHz, 1W

0.005%

Intermodulation Distortion

Less than 0.03%

(SMPTE or Twin-tone)

Frequency Response

+0, -.5 dB, 5 Hz to 20 kHz, load independent

AT52Xnc

AT54Xnc

Damping Factor - 8

load

>4000 at 100 Hz; >1600 up to 20 kHz

>2000 at 100Hz; >800 up to 20 kHz

Damping Factor - 4

load

>2000 at 100Hz; >800 up to 20 kHz

>1000 at 100Hz; >400 up to 20 kHz

Signal to Noise Ratio

123 dB referenced to rated output (A-Weighted)

Slew Rate

>60V per microsecond

Crosstalk

>90dB

Trigger Input

3-24 VDC; Steady State

Dimensions (W x H x D)

AT522, AT523. AT524, AT542

17” x 5 11/16” x 10 5/8” (432 mm x 145 mm x 270 mm)

AT525 - AT528, AT543, AT544

17” x 5 7/8” x 15 1/2” (432 mm x 150 mm x 394 mm)

Add 1 inch (25mm) depth for connectors.

Weight

Model dependent: 39 lbs. to 65 ½ lbs.; 17.8 to 29.8 kg

Summary of Contents for AT500NC SERIES

Page 1: ...AT500NC SERIES CLASS D 2 TO 8 CHANNEL POWER AMPLIFIER OWNER S GUIDE ...

Page 2: ...ll the blades can be fully inserted to prevent blade exposure PLEASE READ FIRST CAUTION To reduce the risk of electrical shock do not remove the cover or back No user serviceable parts inside Refer servicing to qualified service personnel WARNING To reduce the risk of fire or electric shock do not expose this appliance to rain or moisture The lightning flash with arrowhead within an equilateral tr...

Page 3: ...On 8 Peak Indicator Light 8 AC Line Connector and Power Cord 8 ATI Service Information 8 Care and Maintenance 8 A Few Words About Hum and Noise 8 Potential Ground Loops in a Complex A V System 8 Appendix A Troubleshooting Guide 10 Appendix B Model Fuse Ratings 10 Appendix C Specifications 11 Appendix D Power Requirements Consumption 12 Warranty Information 13 Amplifier Identification Record This i...

Page 4: ...amplifier will last for many years with minimal service requirements This procedure includes the following All assembled circuit boards are given a thorough visual inspection and are then performance tested The tested assembled circuit boards are then in stalled in a new AT500NC and the whole unit is tested for every function and parameter The unit is put on a burn in torture rack to test for any ...

Page 5: ...urn on process When the turn on process is complete the ILLUMINATED POWER SWITCH brightens fully the STANDBY LED turns off and the amplifier begins playback Front Panel Layout 4 Handles and Rack Mounting The AT500NC Series amplifiers can be rack mounted into a standard 19 inch rack with the addition of rack ears and handles There are four kits available for the AT500NC amplifiers two for the small...

Page 6: ...r Input Use the REMOTE TRIGGER jack to connect to a compatible preamplifier source device or other product with a 3 24 VDC output E Ground Terminal Use to connect to other chassis where necessary F Fuse Replace only with the correct type and rating The rat ing is shown on the rear panel next to the IEC power inlet G AC Inlet Use the included power cord to connect your amplifier to an AC power sour...

Page 7: ...r short runs of less than twenty feet We do not recommend that you use any wires with an AWG equivalent of 18 or higher due to the power loss and degradation in per formance that will occur To connect the amplifier to your speakers a pair of binding posts is provided for each channel output These posts will accept bare wire spade lugs or banana type plugs If bare wire is used for the connections s...

Page 8: ...on the source device that will be activated when you wish to have the amplifier turn on This may be the switched outlet at the rear of an AC receiver or other audio equipment Connect the 3 5mm mini plug from the 7 adapter to the trigger input jack on the back panel of the amplifier The amplifier will now turn on and off automatically based on the status of the controlling device Power Connection O...

Page 9: ...y the purchase date should you experience a problem covered by out warranty 8 Care and Maintenance Cleaning When the unit becomes dirty wipe it with a clean soft dry cloth If necessary first wipe the surface with a soft cloth slightly dampened with a mild soapy water then with a fresh cloth dampened with clean water Wipe dry immediately with a dry cloth Never use benzene thinner alcohol or any oth...

Page 10: ...xpensive In some cases the use of an approved AC Power Isolation Transformer of sufficient capacity may solve this prob lem WARNING If you suspect that the grounding system in your home s electrical wiring is causing the hum problem it is important that you do not make any changes to the wiring yourself Only a licensed electri cian should make any changes to household wiring and they must be made ...

Page 11: ...mote trigger Check voltage polarity and connection of trigger wire Amplifier turns on but there is no audio from one or more channels Input cables are not connected to proper jack or are loose Check all input connections Amplifier turns on but there is no audio from one or more channels Input select switches are in the wrong position Check all input select switches and make sure they are in the co...

Page 12: ...1 THD 210W 250W 600W 700W CEA 2006 1 kHz Burst Power 300W 300W 700W 800W Power Output 4 ohms AT52XNC AT54XNC Per Channel 4 Channels 2 Channels 2 Channels 1 Channel 20 Hz 20 kHz 0 02 THD 300W 300W 500W 900W 1 kHz 0 02 THD Watts 350W 350W 550W 950W 1 kHz 1 THD 375W 400W 600W 1000W CEA 2006 1 kHz Burst Power 450W 500W 700W 1000W Distortion AT52Xnc AT54Xnc THD N 20 Hz 20 kHz 0 02 0 02 THD N 1 kHz 1W 0...

Page 13: ...le2 70W 80W 40W 60W 80W Sleep2 35W 40W 20W 30W 40W Rated Power 8Ω All Channels unless noted 18 5A 2200VA 1700W 21A3 2500VA 2000W 14A3 1680VA 1350W 22A3 2500VA 1950W 27A3 3200VA 2600W Rated Power 4Ω 16 8A5 2050VA 1500W 17A5 2050VA 1500W 14A3 6 1680VA 1350W 22A3 6 2500VA 1950W 27A3 6 3200VA 2600W AT522NC AT523NC AT524NC AT525NC AT526NC Standby 1 Watts Idle2 30W 35W 40W 55W 60W Sleep2 20W 20W 20W 30W...

Page 14: ...ended Warranty conditions are met PLEASE RETAIN A COPY OF THE ORIGINAL PROOF OF PURCHASE It will be necessary should in warranty service ever be required Transferability The above warranties are transferable to subsequent owners as long as all of the conditions are met under the Optional Extend ed Warranty Program The warranty is not transferable if the unit was originally purchased from an unauth...

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