Hifonics XXV XXV Gemini User Manual - Page 8
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Stereo high pass with mono low pass in a 2 way active, or bi-amplified system
In this application we will use a 2 channel amplifier for the high frequencies, and
a second one for the low frequencies, or mono sub bass. Please consult the
speaker specifications to determine maximum amplifier power requirements.
Interconnect cable checklist:
Connect the inputs of the bass amplifier to a Radio/CD with good quality RCA
cables. Connect the LINE OUT of the bass amplifier to the inputs of the highs
amplifier with a stereo RCA to RCA cable.
Mono bass woofer wiring:
Connect the mono speaker positive terminal to the LEFT +, and its negative
terminal to RIGHT -.
Switch setting checklist:
Highs amplifier: X-OVER switch in the HPF and CROSSOVER position,
MULTIPLIER to X1, PHASE to STEREO
Lows amplifier: X-OVER switch in the LP/BP 24 dB position.
Crossover frequency control checklist:
STEREO
INTERCONNECT
RCA CABLE
6
XXV JUNO 2 CHANNEL AMPLIFIER APPLICATIONS
PARAMETRIC EQ
BALANCED
PHASE
CUT/BOOST
LEFT
INPUT
LEVEL
LEFT
RIGHT
0dB
BANDWIDTH
9V
0.2V
0
180
0
180
-10 +10dB
X1 X10
MO ST
FULL RANGE
RIGHT
OUTPUT / INPUT
15
150Hz
40 400Hz
LP/BP
LP/BP HP
SUBSONIC
FREQ
CROSSOVER
FULL RANGE
STEREO LINE INPUT
-6dB
-20dB
0dB
PARAMETRIC EQ
BALANCED
PHASE
CUT/BOOST
LEFT
INPUT
LEVEL
LEFT
RIGHT
0dB
BANDWIDTH
9V
0.2V
0
180
0
180
-10 +10dB
X1 X10
MO ST
FULL RANGE
RIGHT
OUTPUT / INPUT
15
150Hz
40 400Hz
LP/BP
LP/BP HP
SUBSONIC
FREQ
CROSSOVER
Highs amplifier:
HI PASS: 100 Hz
LOW PASS: N/A
Lows amplifier:
HI PASS (Subsonic filter): 10 Hz to 40 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 stereo.
4 Ohms mono bridged.
RED - CLIP
AMBER - NEAR CLIP
GREEN - PRE-CLIP
SPEAKER OUTPUT
FREQ
BRIDGED
+
-
+
-
L-CH
R-CH
X1 X10
DIAGNOSTICS
40 400Hz
RED - SHORT CIRCUIT
AMBER - THERMAL
HFR-G1
REMOTE
XXVR-1
DIAGNOSTICS
CLIP
GREEN: POWER
GREEN: PRE-CLIP
AMBER: THERMAL
AMBER: SOFT CLIP
RED: SHORT
RED: HARD CLIP
RED - CLIP
AMBER - NEAR CLIP
GREEN - PRE-CLIP
FREQ
SPEAKER OUTPUT
BRIDGED
+
-
+
-
L-CH
R-CH
X1 X10
DIAGNOSTICS
40 400Hz
RED - SHORT CIRCUIT
AMBER - THERMAL
HFR-G1
REMOTE
MONO BASS
SPEAKER
FUSE
+12V
REM
GND
POWER INPUT
STEREO
HIGHS
SPEAKERS
CHASSIS GROUND
REMOTE TURN-ON
TO BATTERY +12v VIA FUSE
FUSE
+12V
REM
GND
POWER INPUT
CHASSIS GROUND
REMOTE TURN-ON
TO BATTERY + 12v VIA FUSE