Hifonics XXV XXV Gemini Podręcznik użytkownika - Strona 10
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2 way active, or bi-amplified system with mono bass
This application shows how easily a 2 way active system can be implemented
using a 4 channel amplifier.
Channels 1 and 2 will be used for highs, and channels 3 and 4 for mono bass.
Interconnect cable checklist:
We need to feed the same signal to both sets of channels, so you must use 2
Y-adapters, one to feed the LEFT signal to channels 1 and 3, and the right signal
to channels 2 and 4, as shown.
Mono bass woofer wiring:
Connect the mono speaker positive terminal to the LEFT +, and its negative
terminal to RIGHT -.
CROSSOVER Switch setting checklist:
1 / 2 CROSSOVER: HPF
3 / 4 CROSSOVER: LP/BP
Crossover frequency control checklist:
Channels 1 / 2:
HI PASS: 100 Hz
LOW PASS: N/A
LEFT TO
CHANNELS
1 AND 3
RIGHT TO
CHANNELS
2 AND 4
2 way active, or bi-amplified system with mono bass, and faded highs/lows
Here we present a variation of the previous system. Since this is a 2 way
system, we can use the front outputs from a head unit to drive the highs, and the
rear output to drive the bass This method allows the listener to easily adjust the
relative levels of bass to highs, with the front to rear fade on the head unit.
Channels 1 and 2 will be used for highs, and channels 3 and 4 for mono bass.
Minimum final loudspeaker impedances:
2 Ohms per channel in stereo mode.
4 Ohms mono bridged.
FULL RANGE
STEREO LINE
INPUTS
8
XXV GEMINI 4 CHANNEL AMPLIFIER APPLICATIONS
CH4
BALANCED
PHASE
MONO MIX
CH1
CH3
INPUT
LEVEL
LEFT
9V
0.2V
0
180
2CH 4CH
CH2
CH4
OUTPUT
INPUT
9V
0.2V
-10
+10dB
MODE
LEVEL
CUT/BOOST BANDWIDTH
CH4
BALANCED
PHASE
MONO MIX
CH1
CH3
INPUT
LEVEL
LEFT
9V
0.2V
0
180
2CH 4CH
CH2
CH4
OUTPUT
INPUT
9V
0.2V
-10
+10dB
LEVEL
CUT/BOOST BANDWIDTH
MODE
Channels 3 / 4:
HI PASS (subsonic): 20 Hz
LOW PASS: 100 Hz
Please note that these frequency points are suggestions only. Refer to the
loudspeaker manufacturer specifications and the section "Setting up systems
after installation for best performance"
Level control checklist:
Refer to the section "Setting up systems after installation for best performance"
Minimum final loudspeaker impedances:
2 Ohms per channel in stereo mode.
4 Ohms mono bridged.
CH 1&2
PARAMETRIC EQ
AMPLIFIER
CH1 & 2
CUT/BOOST
HIGH PASS
ROUTING
RIGHT
0dB
BANDWIDTH
FREQ
FREQ
HP
CH3&4
X1 X10
X1 X10
FULL RANGE
CH1&2
0
180
-10 +10dB
40 400Hz
FULL RANGE
CH3 & 4
X1 X10
X1 X10
MO
ST
LP/BP HP
40 400Hz
15 150Hz
40 400Hz
LP/BP
REMOTE
FREQ
SUBSONIC
FREQ
CROSSOVER
PARAMETRIC EQ
-6dB
XXVR-1
DIAGNOSTICS
CLIP
GREEN: POWER
GREEN: PRE-CLIP
AMBER: THERMAL
AMBER: SOFT CLIP
RED: SHORT
RED: HARD CLIP
-20dB
0dB
BASS REMOTE
Interconnect cable checklist:
Use good quality RCA leads to connect the inputs of the amplifier to the source
as shown.
Follow the instructions as per the previous system for switch and crossover
settings.
CH 1&2
PARAMETRIC EQ
AMPLIFIER
CH1 & 2
CUT/BOOST
HIGH PASS
ROUTING
RIGHT
0dB
BANDWIDTH
FREQ
FREQ
HP
CH3&4
X1 X10
X1 X10
FULL RANGE
CH1&2
0
180
-10 +10dB
40 400Hz
FULL RANGE
CH3 & 4
X1 X10
X1 X10
MO
ST
LP/BP HP
HFR-G1
40 400Hz
15 150Hz
40 400Hz
LP/BP
REMOTE
FREQ
SUBSONIC
FREQ
CROSSOVER
PARAMETRIC EQ
-6dB
XXVR-1
DIAGNOSTICS
CLIP
GREEN: POWER
GREEN: PRE-CLIP
AMBER: THERMAL
AMBER: SOFT CLIP
-20dB
0dB
RED: SHORT
RED: HARD CLIP
BASS REMOTE
SPEAKER OUTPUT
DIAGNOSTICS
FUSE
RED - SHORT CIRCUIT
BRIDGED
AMBER - THERMAL
+
-
+
-
CH1
CH2
RED - CLIP
RED - CLIP
AMBER - NEAR CLIP
AMBER - NEAR CLIP
GREEN - PRE-CLIP
GREEN - PRE-CLIP
CH1 & 2
CH3 & 4
+
-
+
-
HFR-G1
CH3
CH4
BRIDGED
SPEAKER OUTPUT
DIAGNOSTICS
FUSE
RED - SHORT CIRCUIT
BRIDGED
AMBER - THERMAL
+
-
+
-
CH1
CH2
RED - CLIP
RED - CLIP
AMBER - NEAR CLIP
AMBER - NEAR CLIP
GREEN - PRE-CLIP
GREEN - PRE-CLIP
CH1 & 2
CH3 & 4
+
-
+
-
CH3
CH4
BRIDGED
+12V
REM
GND
POWER INPUT
CHASSIS GROUND
REMOTE TURN-ON
TO BATTERY + 12V VIA FUSE
+12V
REM
GND
POWER INPUT
CHASSIS GROUND
REMOTE TURN-ON
TO BATTERY + 12V VIA FUSE