2-Way, 3-Way
4-Way Crossovers
223/223XL - 234/234XL
4
INPUT
INPUT
LOW CUT
LOW CUT
x10
LOW/LOW-MID
LOW/MID
LOW-MID/HIGH-MID
MID/HIGH
LOW OUTPUT
LOW OUTPUT
LOW-MID OUTPUT
MID OUTPUT
HIGH OUTPUT
INPUT
LOW CUT
LOW/MID
HIGH-MID/HIGH
MID/HIGH
LOW OUTPUT
HIGH-MID OUTPUT
HIGH OUTPUT
MID OUTPUT
HIGH OUTPUT
GAIN
dB
-12
-6
+6
0
+12
XOVER FREQ
Hz
45
70
680
350
240
140
960
XOVER FREQ
Hz
450
700
6.8k
3.5k
2.4k
1.4k
9.6k
x10
GAIN
dB
-12
-6
+6
0
+12
XOVER FREQ
Hz
45
70
680
350
240
140
960
XOVER FREQ
Hz
450
700
6.8k
3.5k
2.4k
1.4k
9.6k
MONO
STEREO
40 Hz
40 Hz
-
GAIN
dB
-30
-10
0
+6
-
GAIN
dB
-30
-10
0
+6
-
GAIN
dB
-30
-10
0
+6
-
GAIN
dB
-30
-10
0
+6
-
GAIN
dB
-30
-10
0
+6
-
GAIN
dB
-30
-10
0
+6
INV
INV
INV
INV
INV
INV
CHANNEL ONE
CHANNEL TWO
1 2 3 4 5 6
7
8 9 10
11
12
13 14 15 16 17 18 19 20 21
22 23 24
®
S
TEREO
3-W
AY
M
ODE
In 3-way stereo operation the controls are marked BELOW the horizontal blue line.
Channel One and Channel Two functions are identical in the stereo mode. LEDs are disabled for controls which are non-
functional in this mode.
[1] & [7]
I
NPUT
G
AIN
Controls the INPUT level with +/- 12 dB of gain.
[13] & [20]
L
OW
C
UT
Switch for selecting the 40 Hz high pass filter. An LED indicates the selec-
tion.
[2] & [8]
L
OW
/M
ID
Selects crossover point between LOW and MID frequencies.
[14] & [21]
X
10 LED
Indicates that the LOW/MID crossover frequency range is 450 Hz to 9.6 kHz.
[3] & [9]
M
ID
/H
IGH
Selects crossover point between MID and HIGH frequencies.
[4] & [10]
L
OW
O
UTPUT
Controls the Low Frequency output level with a range of -
∞
to +6 dB.
[15] & [22]
P
HASE
I
NVERT
Switch for reversing the polarity on the Low Output. An LED indicates the
selection.
[5] & [11]
M
ID
O
UTPUT
Controls the Mid Frequency output with a range of -
∞
to +6 dB.
[16] & [23]
P
HASE
I
NVERT
Switch for reversing the polarity on the Mid Output. An LED indicates the
selection.
[6] & [12]
H
IGH
O
UTPUT
Controls the High Frequency output with a range of -
∞
to +6 dB.
[17] & [24]
P
HASE
I
NVERT
Switch for reversing the polarity on the High output. An LED indicates the
selection.
[19]
S
TEREO
LED indicating stereo mode operation.
M
ONO
4 -W
AY
M
ODE
In 4-way mono operation the controls are marked ABOVE the horizontal blue line. Front panel controls not described in
this section are not active in mono 4-way mode. LEDs are disabled for controls which are non-functional in mono 4-way
mode.
[
1]
I
NPUT
G
AIN
Controls the input level with +/- 12 dB of gain.
[13]
L
OW
C
UT
Switch for selecting the 40 Hz high pass filter. An LED indicates the
selection.
[2]
L
OW
/L
OW
-M
ID
Selects crossover point between LOW and LOW-MID frequencies.
[14]
X
10 LED
Indicates that the LOW/LOW-MID crossover frequency range is 450 Hz to
9.6 kHz.
[3]
L
OW
-M
ID
/H
IGH
-M
ID
Selects the crossover point between LOW-MID and HIGH-MID frequencies.
[9]
H
IGH
-M
ID
/H
IGH
Selects the crossover point between HIGH-MID and HIGH frequencies.
[4]
L
OW
O
UTPUT
Controls the LOW frequency output level with a range of -
∞
to +6 dB.
[15]
P
HASE
I
NVERT
Switch for reversing the polarity on the Low Output. An LED indicates the
selection.
[5]
L
OW
-M
ID
O
UTPUT
Controls the LOW-MID frequency output level with a range of -
∞
to +6 dB.
[16]
P
HASE
I
NVERT
Switch for reversing the polarity on the Low-Mid Output. An LED indicates
the selection.
[11]
H
IGH
-M
ID
O
UTPUT
Controls the HIGH-MID frequency output level with a range of -
∞
to +6 dB.
[23]
P
HASE
I
NVERT
Switch for reversing the polarity on the High-Mid Output. An LED indicates
the selection.
[12]
H
IGH
O
UTPUT
Controls the HIGH frequency output level with a range of -
∞
to +6
dB.
[24]
P
HASE
I
NVERT
Switch for reversing the polarity on the High Output. An LED indi
cates
the selection.
[18]
M
ONO
LED indicating mono mode operation.
