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ZRX600.4 / ZRX1000.4 / ZRX2000.4 4-CHANNEL AMPLIFIER APPLICATIONS

4 CHANNEL FULL RANGE SYSTEM

Here we show how to use the 4 channel amplifiers as straightforward discrete 4

channel full range units.

Interconnect cable checklist:

- Connect the four inputs of the amplifier to a Radio/CD with quality RCA cables.

Switch setting checklist:

- 1/2CH X-OVER: FULL

- 3/4CH X-OVER: FULL

Crossover frequency control checklist:

Channels 1/2:

2 or 3 CHANNEL SYSTEM

Here we show how to use the 4 channel amplifiers as a 3 channel unit by taking

advantage of the mono bridging capability of all Hifonics amplifiers.

The following example shows how to create a 3 channel system by mono

bridging channel pair 3 / 4. In order to create a 2 channel system, simply follow

the example to also mono bridge channel pair 1 / 2.

Interconnect cable checklist:

- Connect the inputs of channel pair 1/2 to a suitable stereo source, e.g. a head

unit with good quality RCA cables.

- A MONO signal source is required to bridge channel pair 3/4, such as would be

available from the mono sub bass output of an active crossover, whether

standalone, or built into a head unit or equalizer. If you only have 1 set of RCA

outputs from your headunit, you can simply connect those to the inputs for ch

1/2 and switch the MODE to 2ch. The amplifier will auto sum the signal and

provide mono output for bridged channels 3/4 once the X-OVER is switched to

LP/BP.

Important: Do not be tempted to connect the hot, or positive outputs, from any

source together to obtain a mono signal, as this could very well damage the

output stage of that source.

- It is necessary to feed the SAME signal to both left and right inputs via a Y-

adapter RCA cable.

- Connect the mono speaker positive terminal to the LEFT +, and its negative

terminal to RIGHT - as shown.

MONO LINE INPUT

(Unless using procedure

listed above for 3ch)

STEREO LINE INPUT

- HI PASS: N/A

- LOW PASS: N/A

Channels 3/4:

- HI PASS: N/A

- LOW PASS: N/A

Level control checklist:

- Refer to the section "Setting up systems after installation for best performance"

Minimum final loudspeaker impedances:

- 2 ohm per channel.

ZEUS

Switch setting checklist:

- 1/2CH X-OVER: FULL

- 3/4CH X-OVER: LPF

Crossover frequency control checklist:

Channels 1/2:

- HI PASS: N/A

- LOW PASS: N/A

Channels 3/4:

- HI PASS: N/A

- LPF: 11 o'clock

TIP: If you are using the mono sub bass output of an active crossover, there is

nothing wrong with switching in the low pass filter in these amplifiers for a

steeper low pass rolloff.

Level control checklist:

- Refer to the section "Setting up systems after installation for best performance"

Minimum final loudspeaker impedances:

- 2 ohm per channel in stereo mode.

- 4 ohm mono bridged.

ZEUS