Z▶ AT4000 SERIES

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Dear Valued Customer,

We hope this message finds you well. We are excited to announce that our highly sought-after ATI Amplifier is now available for purchase through a special ordering process.

To place your order for the ATI Amplifier, simply follow these steps:

Compose an email to: [email protected]
In the subject line, please write: “Product Order Request.”
Include the following details in the body of the email:
- Your full name
- Contact number
- Preferred shipping address
- ATI Amplifier
- Quantity of Product units you wish to order

Once we receive your email, our dedicated team will promptly process your order and provide you with further instructions, including payment details and estimated delivery times.

Please note that due to the limited availability of the ATI Amplifier, orders will be processed on a first-come, first-served basis. We appreciate your understanding and patience as we work to fulfill your order.

Thank you for choosing our products. We look forward to providing you with the exceptional quality and performance that the ATI Amplifier is known for.

Categories: AT4000 Signature Series, ATI

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Description

AT4000 SIGNATURE SERIES

The AT4000 series amplifiers, available with 2 to 7 channels, share the design philosophy and circuit sophistication of ATI’s award-winning AT6000 Series amps at a reduced power of 200W RMS per channel at 8 ohms and 300W RMS at 4 ohms. Furthermore, their “signature series” designation with a facsimile of Kessler’s signature on the main panel attests the special nature of these amplifiers.

Power Cord
Dual detachable, 3-wire cord.
7-Year Warranty
Parts and labor against defects in parts or workmanship.
4RU 7.00” (178mm) Rack Mount
8.00” (203mm) Standard Height
Shipping Weight
77 to 119 lbs (model dependent)

ATI Signature Series are fully balanced, differential amps, advanced from previous designs which were essentially balanced bridged amplifiers. Signature Series uses only a single input stage with dual-differential output stages. This design approach retains the advantages of balanced designs and reduces noise by 50%. Using current feedback rather than voltage feedback, Signature Series amps respond faster with a virtually unlimited slew rate which makes them capable to reproduce todays best music and film sound.

ThermalTrak™ output devices are incorporated in Signature Series amps to provide an integrated device for temperature sensing with the output transistor resulting in real-time bias performance. Combining these advancements with dual DC servos reduces DC offset at the output to insignificant levels.The use of a modular PCB layout with amplifier and power supply parts on the same card with edge to edge isolation of AC and signal input provides improved signal-to-noise ratio. Dual toroidal transformers, dual power switches and dual AC power cords bring a complete dual-mono design to the AT4002 and AT6002. Multi-channel amplifiers up to the 7-channel AT4007 and AT6007 models may be connected to independent 20 amp circuits for greater sustained output power than would be possible than from a single AC circuit.

4000 Series amps are rated at 200 Watts RMS from 20Hz to 20kHz with no more than 0.03% THD at 8 ohms with all channels driven and 300 Watts RMS at 4 ohms under the same conditions. Signal-to-noise ratio is typically -126dB referenced to full output so that each Signature Series amp is capable of playing back the full dynamic range available on today’s lossless recordings.

Additional information

AT4000 SERIES	AT4002, AT4003, AT4004, AT4005, AT4006, AT4007

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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

Ultra soft turn on reduces in-rush current to a minimum. Multiple units can be turned on without tripping circuit breakers eliminating the need for sequencing.

Power Transistors