Topp Music Gear TXO-234 MK II, User Manual

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HIGH-PRECISION STEREO 2-WAY / 3-WAY / MONO 4-WAY CROSSOVER WITH LIMITERS
Professional high-precision stereo 2-way / 3-way / mono 4-way crossover
World-class performance 24 dB per octave Linkwitz-Riley filters
Absolutely flat summed amplitude response, zero phase difference
Individual output level controls for all bands
Individual limiter on each output for optimal loudspeaker protection
Individual output mutes for easy band adjustment
Individual phase reverse switches for instant phase correction
Switchable 25 Hz subsonic filter on each input for low-frequency driver protection
"Low Sum" function provides low-level mono output for subwoofer operation
Adjustable time delay for phase alignment between drivers
CD horn equalization for constant directivity horn compensation
Servo-balanced, gold-plated XLR connectors for all inputs and outputs
Ultra high-precision Alps potentiometers for ultimate accuracy and repeatability
High-quality components and exceptionally rugged construction for long life and relia-bility
Shielded toroidal mains transformer for minimal noise interference
FEATURES 19 HIGH-MID/HIGH XOVER FREQ. control
This knob governs the crossover frequency between the High-Mid and High bands.
24 HIGH-MID OUTPUT control
This knob ranges the output level of the High-Mid band from - to +6dB.
25 HIGH-MID PHASE INVERT button
This button reverses the phase of the High-Mid output.
26 HIGH-MID MUTE button
This button can be used to mute the High-Mid band.
27 HIGH OUTPUT control
This knob ranges the output level of the High band from - to +6dB.
28 HIGH PHASE INVERT button
Via this button, you can reverse the phase of the High output.
29 HIGH MUTE button
This button can be used to mute the High band.
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.
3 HIGH OUTPUT connector
This connector outputs the High band signal.
4 HIGH-MID OUTPUT connector
This connector outputs the High-Mid band signal.
8 MODE button
In mono 4-way mode, the right button must be pressed. Please observe the labels on
the 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.
11 LOW-MID OUTPUT connector
This connector outputs the Low-Mid band signal.
12 LOW OUTPUT connector
This connector outputs the Low band signal.
Fig. 9 Active control elements on the rear panel
8 8 1 1
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
OFF
ON
dB
CHANNEL 1
8
25Hz
2k
200
1k2
120
3k5
350
600
60 7k
700
440
44
9k3
930
Hz dB Hz
7k
600
1k2 3k5
9k3 440
2k
mSec.
0.7
1.3
2 0
1
2 2
6
0
4 4
dB
2 2
6
0
4 4
dB
2 2
6
0
4 4
dB
25Hz
2k
200
1k2
120
3k5
350
600
60 7k
700
440
44
9k3
930
Hz dB Hz
7k
600
1k2 3k5
9k3 440
2k
mSec.
0
0.7
1.3
2
1
2 2
6
0
4 4
dB
2 2
6
0
4 4
2
0
dB
2
6
4 4 8
4
12
0
4
8 8
4
12
0
4
dB
18
6 12
OFF 6
0
9
MONO LIM LIM LIM STEREO LIM LIM LIM
MULTIBAND LIMITER
CHANNEL 2
OFF
ON
OFF
ON
OFF
ON
INV INV INV INV INV INV
ON
OFF
R
STEREO 3-WAY 2 INPUT
INPUT LOW CUT
LOW CUT
LOW/LOW-MID
LOW/MID HIGH
LOW-MID/HIGH-MID
MID/HIGH LOW DELAY
LOW DELAY
LOW OUTPUT
LOW OUTPUT
MID OUTPUT
LOW-MID OUTPUT
HIGH OUTPUT
MONO 4-WAY
INPUT LOW/MID HIGH
HIGH-MID/HIGH
MID/HIGH LOW DELAY LOW OUTPUT MID OUTPUT
HIGH -MID OUTPUT
HIGH OUTPUT
HIGH OUTPUT
STEREO 3-WAY 2-WAY
MONO 4-WAY
INPUT DELAY LIMITER XOVER FREQ. XOVER FREQ. GAIN MUTE GAIN MUTE GAIN MUTE CD HORN LOW CUT DELAY XOVER FREQ. XOVER FREQ. GAIN MUTE GAIN MUTE GAIN MUTE THRESHOLD INPUT LOW CUT POWER
LOW CUT
2-WAY/3-WAY STEREO
4-WAY MONO
ACTIVE CROSSOVER
TXO-234
MK