Hifonics BRUTUS BRX640.4 Manuale d'uso - Pagina 5
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BRX320.4 / BRX640.4 / BRX1200.4 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 1/2. In order to create a 2 channel system, simply follow
the example to also mono bridge channel pair 3/4.
Interconnect cable checklist:
- If supplying the unit with mono signal on ch 1 / 2 stereo signal to ch 3 / 4, you will
switch MODE to 4CH.
- 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 automatically route the signal to channels 3/4.
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.
Switch setting checklist:
- 1/2CH X-OVER: LP
- 3/4CH X-OVER: FULL
MONO LINE INPUT
(Unless using procedure
listed above for 2ch)
STEREO LINE INPUT
- HI PASS: N/A
- LOW PASS: N/A
Channels 1 / 2 & 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.
BRUTUS
Crossover frequency control checklist:
Channels 1/2:
- HI PASS: N/A
- LOW PASS: 11 o'clock
Channels 3/4:
- HI PASS: N/A
- LPF: N/A
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.
BRUTUS