Harman-Kardon 223/223XL Portable Speaker User Manual


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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
®
STEREO 3-WAY MODE
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] INPUT GAIN Controls the INPUT level with +/- 12 dB of gain.
[13] & [20] LOW CUT Switch for selecting the 40 Hz high pass filter. An LED indicates the selec-
tion.
[2] & [8] LOW/MID Selects crossover point between LOW and MID frequencies.
[14] & [21] X10 LED Indicates that the LOW/MID crossover frequency range is 450 Hz to 9.6 kHz.
[3] & [9] MID/HIGH Selects crossover point between MID and HIGH frequencies.
[4] & [10] LOW OUTPUT Controls the Low Frequency output level with a range of -∞ to +6 dB.
[15] & [22] PHASE INVERT Switch for reversing the polarity on the Low Output. An LED indicates the
selection.
[5] & [11] MID OUTPUT Controls the Mid Frequency output with a range of -∞ to +6 dB.
[16] & [23] PHASE INVERT Switch for reversing the polarity on the Mid Output. An LED indicates the
selection.
[6] & [12] HIGH OUTPUT Controls the High Frequency output with a range of -∞ to +6 dB.
[17] & [24] PHASE INVERT Switch for reversing the polarity on the High output. An LED indicates the
selection.
[19] STEREO LED indicating stereo mode operation.
MONO 4 -WAY MODE
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] INPUT GAIN Controls the input level with +/- 12 dB of gain.
[13] L
OW CUT Switch for selecting the 40 Hz high pass filter. An LED indicates the
selection.
[2] LOW/LOW-MID Selects crossover point between LOW and LOW-MID frequencies.
[14] X10 LED Indicates that the LOW/LOW-MID crossover frequency range is 450 Hz to
9.6 kHz.
[3] LOW-MID/HIGH-MID Selects the crossover point between LOW-MID and HIGH-MID frequencies.
[9] HIGH-MID/HIGH Selects the crossover point between HIGH-MID and HIGH frequencies.
[4] LOW OUTPUT Controls the LOW frequency output level with a range of -∞ to +6 dB.
[15] PHASE INVERT Switch for reversing the polarity on the Low Output. An LED indicates the
selection.
[5] LOW-MID OUTPUT Controls the LOW-MID frequency output level with a range of -∞ to +6 dB.
[16] PHASE INVERT Switch for reversing the polarity on the Low-Mid Output. An LED indicates
the selection.
[11] HIGH-MID OUTPUT Controls the HIGH-MID frequency output level with a range of -∞ to +6 dB.
[23] PHASE INVERT Switch for reversing the polarity on the High-Mid Output. An LED indicates
the selection.
[12] H
IGH OUTPUT Controls the HIGH frequency output level with a range of -∞ to +6 dB.
[24] PHASE INVERT Switch for reversing the polarity on the High Output. An LED indicates
the selection.
[18] M
ONO LED indicating mono mode operation.
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