Description

Features:

Convection Cooling with Massive Heat Sinks
The AT1820 Series uses large extruded heat sinks, one for each amplifier channel.

Huge Toroidal Transformers
The huge transformers used in ATI amplifiers employ high-grade silicon steel cores with bi-filar windings. To reduce crosstalk through the transformer, each amplifier channel gets its own set of secondary transformer windings.

Remote Triggers
All ATI amplifiers feature a 12V trigger that allows them to interface with control systems or processors so they can be turned on and off remotely.

Optical Protection Circuitry
This safety feature instantaneously stops current from flowing in the amplifier’s output under three conditions: 1) an over-current/short circuit condition, 2) high frequency oscillation and 3) an over-temperature condition. If activated, this circuit will sample the condition every 10 seconds and restore output when the problem is cleared. In case of an excessive DC offset on any channel, the amplifier will shutdown and power will need to be cycled to restore operation.

Ultra-Soft Turn-On
High power amplifiers draw a momentary, but tremendous in-rush of electrical current when you turn them on. This will not happen because of ATI’s Ultra Soft Turn-On circuitry.

Low Distortion/Low Noise
The exact “nature” of sound is a matter of individual choice and environmental conditions, however, distortion and noise are absolutely measurable in any situation. All ATI amps are at the “cutting edge” of the lowest distortion and noise possible.

Amplifier Topology
While there are numerous classes of amplifier design, the AT1820 Series amplifiers use the traditional Class AB topology.