AT541NC | 1-CHANNEL, 500W N CORE CLASS D AMPLIFIER Amplifier Technologies undertook an approach to Class D amplification with the goal of Class AB sonic performance characteristics combined with the efficiency of power and space offered by a Class D design. The results are the AT500NC Series amps. Offered at two power levels of 200 watts per channel from 2 to 8 channels and at 500 watts per channel from 1 to 4 channels, AT500NC amps deliver the classic ATI sound, power and reliability in massively compact 3RU chassis designs. The AT500NC Series amps incorporate Hypex N-Core® Class D output power modules combined with ATI input stages and linear power supplies. ✅ Hypex N-Core® Class D amplifier topology
✅ Linear power supplies
✅ Automatic AC power recognition
✅ Microprocessor controlled soft-start turn-on - 500W per channel
- Differential bridged output modules
- 1 to 4 channel models
- 3RU 5.25” rack mount, 6” standard height
| Analog Audio Inputs | One Single-ended (RCA) jack per channel & One Balanced (XLR) jack per channel Slide Switch to choose jack | | Input Impedance | 20 kΩ Nominal | | Input Sensitivity | AT52Xnc - 1.5V input for 200W RMS AT54Xnc - 2.35V RMS input for 500W 8 ohms 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. | | Frequency Response | +0, -.5 dB, 5 Hz to 20 kHz, load independent | | Crosstalk | > 90dB | | Dimensions | 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 | Additional Notes: - All measurements taken within the 117VAC line voltage range. For 230VAC line voltage range, current draw will be ~0.5X the currents listed in the table. Measurements taken while driving amplifier channels with 1kHz sine wave.
- Nominal reading, ±5W.
- We do not recommend running the amplifiers for extended periods of time over the fuse rating. This was done for testing purposes only.
- All channels driven at 300W per channel
- 4 channels at 300W per channel.
- All channels at 500W per channel.
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 WARNING: 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.
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