ATI Technologies AT602 User Manual download pdf (Page 7)

With substantial power on tap—300 watts per channel for the AT3000 series,

200 watts per channel for the AT2000 series—both amplifiers have the muscle

to power the largest home theater systems. The AT3000 series, in particular,

produces enough power even for capacious screening rooms. Both amplifiers

are available in any two to seven channel models from the AT2002/AT3002

to the AT2007/AT3007. Because each amplifier channel resides on a separate,

plug-in module, upgrades are easy. You can start with, say, five channels and

add two more if you decide to move up to Dolby Digital EX

, DTS ES-Discrete

or other 6.1- and 7.1-channel surround-sound technologies.

Most amplifiers this large use loud cooling fans; the AT3000 and AT2000 series instead use

large heat sinks, so you can place them anywhere in a room without having to worry

about noise. Large amplifiers have a tendency to trip household circuit breakers, due to

the tremendous inrush of current necessary to charge up their power supplies. This

problem simply does not exist with the AT3000 and AT2000 series amps, because both feature

ATI’s Ultra Soft Turn-On circuit. This circuit progressively powers up the amplifier gradually,

so the current inrush is minimal. Even with the seven-channel AT3007, which produces

2,100 watts of power, you will not see your lights dim when you power up the amplifier.

Although it is extremely unlikely one could push these amplifiers past their limits, there

is always the possibility of accidentally damaging a speaker cable and shorting out the

amplifier. With the AT3000 and AT2000 series power amplifiers, you needn’t be concerned.

Both include a protection circuit that automatically disengages the output in an overload

situation without the use of relays. If an overload occurs, the circuit monitors the

conditions every 10 seconds, and restores output automatically once the overload situation

is removed. This protection circuit is optically coupled to the audio circuit, with no direct

electrical connection. Thus, it cannot affect sound quality. In the equally unlikely event

that the amplifier’s magnetic circuit breaker shuts down, resetting it is as simple as

flipping a switch. There is no down-time for fuse replacements or costly service calls.

We supply the AT3000 series with a power cord that fits only into a 20-amp electrical socket.

This amplifier is so powerful it cannot reach peak output from a 15-amp circuit. The power

cord is designed specifically for 20-amp use, providing a more robust connection to the

amplifier than a 15-amp cord can offer. The AT2000 series uses the same 20-amp connection

at the amplifier end, but substitutes a 15-amp plug.

The huge transformers used in these amplifiers employ

MOH cores with bifilar windings, manufactured by us in

our own factory. Of course, both amps also use double-sided

glass epoxy circuit boards, and an extraordinarily solid,

massive chassis built to support the heavy heat sinks and

transformers required in amps this large.

A trigger feature lets these amps interface with control

systems, so they can be turned on and off automatically,

or from a remote control.

Listen to the AT3000 and AT2000 series amps.

We think you’ll agree that no other fully differential

amplifiers in the world can beat their performance

and power—or their price.

AT2000 Series

power amplifier

Back panel of the AT2007 (the AT3007 has the same layout but is taller)

AT3000 Series

2 to 7 Channels

300 Watts/Ch

(8 Ohms)

450 Watts/Ch

(4 Ohms)

AT2000 Series

2 to 7 Channels

200 Watts/Ch

(8 Ohms)

300 Watts/Ch

(4 Ohms)

1 2 3 4 5 6 7 8 9 10 11 12 ... 15 16

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ATI Technologies AT602 User Manual Page 7

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