Two-channel amplifiers aren’t just for stereo anymore. They’re just as likely
to find use powering the two back speakers in a 7.1-channel surround
sound system, or driving six ceiling speakers in a master bedroom suite. Nowadays,
a two-channel amplifier must produce the sound quality demanded by audiophiles,
handle the extreme dynamics of home theater, and provide the reliability
expected by custom installers. Few two-channel amps are designed to handle
each of these tasks—but for the ATI AT1202 and AT602, it’s all in a day’s work.
The AT1202 and AT602 are two-channel amplifiers
(120 watts and 60 watts per channel, respectively)
with all of the quality features built into ATI’s big
multichannel amplifiers, including ATI-built
transformers with MOH cores and bifilar windings, double-sided
circuit boards, and massive heat sinks for quiet, reliable cooling.
Both sound excellent in stereo applications. But both also include
features designed to enhance their utility in custom-installed
audio/video systems.
The AT1202 and AT602 include clip limiters, which prevent the
amplifiers from producing significant clipping (distortion), no
matter how high the volume is turned up. Distortion can destroy
speakers and in-wall volume controls in seconds, but with the
AT1202 and AT602, it is never a concern.
It is not always practical to have a
separate amplifier driving each speaker in a multiroom audio system; installers often use
a single amp to drive multiple speakers. This arrangement presents a tremendous load
that many amplifiers cannot drive, which is why we designed the AT1202 and AT602
specifically so that they can drive a few pairs of speakers without strain. Their output
stages remain stable and functioning even with the complex, challenging loads that multiple
speakers usually present. When these amps encounter an overload situation, they conduct
themselves with grace. An optically coupled protection circuit disengages the amp’s output
when it encounters an overload. The circuit checks the conditions every 10 seconds, and
restores output automatically when the overload is corrected; without the use of relays.
Both amplifiers include a remote trigger feature, which is
rare on stereo amps. The remote trigger allows other
devices, such as surround-sound preamp/processors and
multiroom audio controllers, to turn the AT1202 and AT602
on and off automatically.
You can stack 10 of these amps for a multiroom audio
system without having to worry about tripping the house
circuit breaker when they’re turned on. ATI’s Ultra Soft
Turn-On circuit gradually powers up the amplifiers to
reduce the current load. You won’t even see the lights dim!
Whether you’re powering a pair of exotic audiophile
speakers, or stringing together a yardful of outdoor
speakers, the AT1202 and AT602 are up to the task.
9
Two-Channel Amplifiers
For More Than Just Stereo
Back panels of the AT1202 & AT602
AT1202
2 Channels
120 Watts/Ch
(8 Ohms)
180 Watts/Ch
(4 Ohms)
AT602
2 Channels
60 Watts/Ch
(8 Ohms)
90 Watts/Ch
(4 Ohms)
AT1202
power amplifier
AT602
power amplifier
Without clip limiter
With Clip Limiter
At Same Level
(33 pages)
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