8 LOW MUTE button
This button can be used to mute the Low band.
12 HIGH OUTPUT control
This knob controls the output level of the High band from -
to +6dB.
13 HIGH PHASE INVERT button
Via this button, you can reverse the phase of the High output.
14 HIGH MUTE button
This button can be used to mute the High band.
15 CD HORN button
This button provides a special form of frequency correction in the High band for constant
-directivity horns.
30 THRESHOLD control
This knob determines the limiter threshold.
31 LIMITER button
This button activates all limiters. Whenever the signal surpasses the limiter threshold,
the LIM-LEDs above the Gain control light up, signaling that the TXO-234 MK II cuts
back the output level.
1 AC inlet
This jack is used to connect the unit to the mains with the enclosed power cord.
2 FUSE HOLDER / VOLTAGE SELECTOR
Your unit may have the AC Voltage Selector (~115V/60Hz or~230V/50Hz) built into the
Fuse Holder. With a small screw driver pull/pop out the Fuse Holder and rotate it so
that the arrow showing the proper voltage in your area points toward the other arrow
in the upper left comer of plug assembly, and re-insert.
3 & 10 HIGH OUTPUT connector
These connectors output the High band signal.
5 & 12 LOW (LF SUM) OUTPUT connector
These connectors output the Low band signal.
6 & 13 XOVER FREQ. button
This button serves the knob of LOW/HIGH OVER FREQ on the front-panel.
Press the button, and the knob ranges the frequency from 440Hz to 9.3kHz.
Release the button, and the knob ranges the frequency from 44 to 930Hz.
Always switch off the entire system before you press this button, as it produces
Heavy interference noise that could damage your speakers and/or other equipment.
Fig. 3 Active control elements on the rear panel
4 & 11 MID OUTPUT connector
These connectors output the Mid band signal.
3 & 10 HIGH OUTPUT connector
These connectors output the High band signal.
8 MODE button
In stereo 3-way mode, both buttons must be released . Please observe the labels on
the rear panel of the unit.
Always switch off the entire system before you press this button, as it produces
heavy interference noise that could damage your speakers and/or other equipment.
9 LOW SUM button
In stereo mode, the two Low paths can be summed by the LOW SUM button and
routed to the Low output of channel 1, which is particularly useful in systems using
additional subwoofers.
12 LOW (LF SUM) OUTPUT connector
This connector outputs the Low band signal.
13 XOVER FREQ. button
This button serves the knob the of LOW/MID XOVER FREQ on the front-panel.
Press the button, and the knob ranges the frequency from 430 Hz to 9.3 kHz.
Release the button, and the knob ranges the frequency from 43 to 930Hz.
Always switch off the entire system before you press this button, as it produces
heavy interference noise that could damage your speakers and/or other equipment.
14 INPUT connector
This balanced XLR Connector is used to input the signal.
Mono 4-way operation
Firstly, activate mono 4-way mode by means of the two MODE buttons on the rear panel.
The MONO-LED on the front panel, above the first LOW CUT button, lights up.
Fig. 6 Active control elements on the rear panel
Fig. 7 Proper selection of the two MODE switches for mono 4-way operation
6
6
3
3
1
5
6
8
9
10
3
12
13
14
STEREO 3-WAY
HIGH
HIGH
MID
LOW
HIGH
HIGH
MID
NOT USED
INPUT
LOW/LF SUM
MONO 4-WAY
HIGH
HIGH-MID
NOT USED
NOT USED
LOW
NOT USED
LOW/MID
LOW/HIGH
NOT USED
NOT USED
LOW
LOW-MID
LOW/LF SUM
INPUT
INPUT
XOVER FREQ.
INPUT
INPUT
MODE
MONO
4-WAY
NOT
VALID
STEREO
3-WAY
STEREO
2-WAY
LF SUM
MONO
4-WAY
NORMAL
SUMMED
LOW SUM
LOW SUM
LOW/MID
LOW/HIGH
LOW/LOW-MID
10
1
AC INPUT
95-120V
/210-240V
60-50Hz
Rated Power Consumption 17W
FUSE:
210-240V: T250mAL 250VAC
95-120V: 500mA 250VAC
REPLACE FUSE WITH CORRECT
TYPE ONLY
XOVER FREQ.
10
1
2
9
10
4
3
8
12
13
11
14
STEREO 3-WAY
STEREO 2-WAY
HIGH
HIGH
MID
LOW
HIGH
HIGH
MID
NOT USED
INPUT
LOW/LF SUM
MONO 4-WAY
HIGH
HIGH-MID
NOT USED
NOT USED
LOW
NOT USED
LOW/MID
LOW/HIGH
NOT USED
NOT USED
LOW
LOW-MID
LOW/LF SUM
INPUT
INPUT
XOVER FREQ.
INPUT
INPUT
MODE
MONO
4-WAY
NOT
VALID
STEREO
3-WAY
STEREO
2-WAY
LF SUM
MONO
4-WAY
NORMAL
SUMMED
LOW SUM
LOW SUM
LOW/MID
LOW/HIGH
LOW/LOW-MID
10
1
AC INPUT
95-120V
/210-240V
60-50Hz
Rated Power Consumption 17W
FUSE:
210-240V: T250mAL 250VAC
95-120V: 500mA 250VAC
REPLACE FUSE WITH CORRECT
TYPE ONLY
XOVER FREQ.
10
1
