ATI Technologies AT602 User Manual download pdf (Page 6)

Engineers, reviewers, and home theater enthusiasts

may often disagree, but when it comes to amplifiers,

there is one fact on which they all find common

ground: The best possible design is the fully

differential balanced amplifier.

A fully differential amplifier is basically two separate

amplification circuits per channel. One circuit

amplifies the positive half of the audio signal, while

the other amplifies the negative half. The benefits of

this design are tremendous. It automatically rejects any

noise coming in from external sources, such as

radio-frequency and electromagnetic interference. It

eliminates hum and reduces distortion. It also doubles the

slew rate (speed) of the amplifier, for better reproduction of

high frequencies, and better transient performance.

We call this technology Pure Balance

, and we use it in two of our amplifier lines:

the AT3000 series and the AT2000 series. The result of Pure Balance technology is

breathtaking. Acoustic instruments sound so natural and clear, you may think you’re

hearing a live performance. The rich ambience of concert halls envelops you as never before.

Although some home theater amplifiers have balanced, XLR-type input

connectors, most simply convert the balanced signal to unbalanced in the first

amplification stage—and limit the benefits of a balanced connection in the

process. Not Pure Balance amplifiers. Pure Balance amplifiers keep the signal

balanced all the way from the XLR inputs to the speaker terminals.

Pure Balance

Amplifiers:

AT3000 and AT2000 Series

A revealing look inside the

AT3007 7-channel power amplifier

showing off the massive transformers,

huge heat sinks, double-sided glass epoxy

circuit boards and extraordinarily solid chassis

Single-ended amplifier

“Pure Balance” amplifier

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ATI Technologies AT602 User Manual Page 6