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Alto X-P234 ユーザーマニュアル
3.High Output Connectors (3 and 10)
These two XLR balanced connectors are used to output the high frequencies signal.
4.Mid Output Connectors (4 and 11)
These two XLR balanced connectors are used to output the middle frequencies signal.
5.Low/LF SUM output connectors (5 and 12)
These two XLR balanced connectors are used to output the low frequencies signal.
6.Low/Mid XOVER FREQ. Multiplier (6 and 13)
Combined with the usage of the Low/Mid XOVER FREQ. (3) knob on the front panel, this button can switch
the crossover frequency range to 440Hz to 9.3kHz.
Please ensure that, your speaker management system must be powered off before you proceed this switching,
otherwise, the offensive switching noise can be heard through your speakers.
8.Operation Mode Option
Release both buttons to enter into the stereo 3-way operation mode.
9.Low Sum Control
Press this button to sum up the low frequencies output of Channel1 and Channel2, and the summed signal
can be output from Channel1.
14.Input Connector
These two balanced XLR connectors are used to input the program sources.
3.3 Stereo 2-Way Operation
a. The Front Panel
INPUT
LOW CUT
LOW MID
/
/
HIGH
INPUT
LOW CUT
LOW LOW-MID
/
MONO
200
CHANNEL 1
0
2K
120
4
4
1K2
R
LTO
60
8
8
600
OFF
OFF
ON
ON
12
12
44
440
dB
Hz
25Hz
INPUT
LOW CUT
XOVER FREQ.
1 2
3
1.Input Control
This knob is used to adjust the input level, which can be varied from -12dB to +12dB.
2.Low Cut
Engage this button to add a 25Hz low cut filter into the input signal path.
3.Low/High XOVER FREQ.
This knob adjusts the Low/High crossover frequency from 44Hz to 930Hz, based on which, the Low/High
frequencies can be output separately.
5.Delay Control
This knob adjusts the delay time from 0 to 2ms for the low frequencies output, which is proved to be a useful
function in the PA applications, esp. in the large size concert environment.
6.Low Output Gain Control
This control is used to attenuate or boost the low frequencies output by 6dB.
7.Phase Inversion for Low Output
This button will reverse the phase of the low frequencies output by 180 , so that, the low frequencies cance-
llation in some fields can be compensated for.
8.Mute for Low Output
This button mutes the low frequencies output.
12.High Output Gain Control
This control is used to attenuate or boost the high frequencies output by 6dB.
13.Phase Inversion for High Output
This button will reverse the phase of the high frequencies output by 180 , so that, the high frequencies can-
cellation in some fields can be compensated for.
7
MID HIGH
/
LOW DELAY
LOW OUTPUT
MID OUTPUT
HIGH OUTPUT
LOW-MID HIGH-MID
/
LOW DELAY
LOW OUTPUT
LOW-MID OUTPUT
LIM
LIM
350
2K
1
0
0
3K5
1.3
3K5
0.7
2
2
2
2
2
1K2
700
INV
INV
7K
7K
4
4
4
4
4
OFF
OFF
600
ON
ON
930
440
9K3
0
2
6
6
6
6
6
9K3
Hz
mSec.
dB
dB
XOVER FREQ.
DELAY
GAIN
MUTE
GAIN
MUTE
12 14
5
6 8
13
STEREO
2
3-WAY
INPUT
LOW CUT
LOW MID
/
/
HIGH
MID HIGH
/
MONO 4-WAY
HIGH-MID HIGH
/
LIM
STEREO
200
CHANNEL 2
0
0
2K
350
2K
120
3K5
2
4
4
3K5
1K2
1K2
INV
700
7K
60
4
8
8
8
7K
600
OFF
OFF
OFF
600
ON
ON
ON
6
12
12
44
930
440
9K3
440
9K3
dB
dB
Hz
Hz
25Hz
GAIN
MUTE
CD HORN
INPUT
LOW CUT
XOVER FREQ.
XOVER FREQ.
15
8
34
LOW DELAY
LOW OUTPUT
MID OUTPUT
HIGH OUTPUT
STEREO 3-WAY
HIGH-MID OUTPUT
HIGH OUTPUT
LIM
LIM
LIM
MULTIBAND LIMITER
1
0
0
0
1.3
0.7
2
2
2
2
2
2
6
INV
INV
INV
4
4
4
4
4
0
4
OFF
OFF
OFF
ON
ON
ON
0
2
6
6
6
6
6
6
mSec.
dB
dB
dB
DELAY
GAIN
MUTE
GAIN
MUTE
GAIN
MUTE
2-WAY
MONO 4-WAY
9
X-P234
12
2-WAY/3-WAY STEREO
18
4-WAY MONO
ON
OFF
ACTIVE CROSSOVER
ON
6
OFF
OFF
dB
THRESHOLD
LIMITER
POWER
30 31
35