Specifications

Two-Channel Amplifiers
For More Than Just Stereo
12
AT1202
amplifier shown
with optional rack
adapter kit
AT602
power amplifier
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.
Without clip limiter
With Clip Limiter
At Same Level
It’s not always practical
to have a separate amplifier driving each speaker in
a multiroom audio system, so 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 several 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
T
urn-On circuit gradually powers up the amplifiers to
r
educe t
he cur
r
ent load. You won’t even see the lights dim!
Whether you’re powering a pair of exotic audiophile
speak
er
s or s
tr
inging together a yardful of outdoor
speakers, the AT1202 and AT602 are up to the task.
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)
Back panels of the AT1202 & AT602