Alto X34 User Manual Page 5

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1. INTRODUCTION
Thank you very much for expressing your confidence in LTO products by purchasing our X34 Active
Crossover. With the X34 you have acquired an extremely musical and flexible Active Crossover.
The LTO X34 Active Crossover is a single rack unit, dual channels electronic crossover capable of
managing the frequency control for stereo 3-way and mono 4-way speaker systems. The X34 Active
Crossover is an ideal crossover solution for most small and large PA systems, live sound venues, commercial
installations, recording studio monitors and DJ set-ups. In addition to its flexibility in configuring to
different sound systems, the X34 Active Crossover has advanced features such as Clip LED Indicators,
CD Horn Equalization, and individual Phase and Mute switches per frequency band.
The X34 Active Crossover is an effective and efficient electronic crossover solution, which will give you
precise control and superior sound from your loudspeaker system.
2. FEATURE LIST
Single rack unit ( 1U)
Robust and Compact design
Phase inversion switches
Servo-balanced XLR inputs/outputs.
State-variable Linkwitz / Riley 24dB/Octave filters
Switchable constant directivity horn equalization circuit for use with horns requiring a high frequency boost
Clip LED indicators
Mute switches
Designed for the most precise accurate control
Top audio performances with high slew rate circuity
Over than 115dB dynamic range for transparent sound
Manufactured Under ISO9001 Certified management system
3. CONTROL ELEMENTS
3.1 The Front Panel
1
2
3
4
5
6
7
8
9
10
11
X34 3-way stereo / 4-way mono active crossover
Power Switch
Ch1 Input Level
Ch1 LOW,Ch1 MID&Ch1 HIGH Clip LEDs
Ch1 LOW Gain
Ch1 LOW Mute
Ch1 LOW-MID Crossover Frequency
Ch1 MID Gain
Ch1 MID Mute
Ch1 MID-HIGH Crossover Frequency
Ch1 HIGH Gain
Ch1 HIGH Mute
Input Level
HIGH Clip LED
(not used)
(not used)
(not used)
(not used)
(not used)
MID-HIGH Crossover Frequency
HIGH Gain
HIGH Mute
3-WAY STEREO MODE
4-WAY MONO MODE
4
a. Guidable Map for The Front Panel
2 3 4 5 6 7 8 9 10 11 12 1413 15 16 17 18 20 2119 1
POWER
3-WAY STEREO
4-WAY MONO
ACTIVE CROSSOVER
X34
0
350200
1K700
MUTE MUTEMUTE
OFFOFF
800
90
+6
+610K
1K
OFF OFF
+6 +6
MUTE MUTEMUTE
OFFOFF
80090
+6+610K
1K
OFF
OFF
+6
+6
HIGH GAIN
(MID GAIN)
XOVER FREQ
(XOVER FREQ)
3W- STEREO
(4W- MONO)
000
INPUT LEVEL
(INPUT LEVEL)
LOW GAIN
(SUB GAIN)
MID GAIN
(LOW GAIN)
XOVER FREQ
(XOVER FREQ)
0
0
3K
3K
350
1.6K
1.6K
200
1K100 7K 7K700
00
HIGH GAIN
(HIGH GAIN)
XOVER FREQ
(XOVER FREQ)
100
CHANNEL 2
INPUT LEVEL
(INPUT LEVEL)
LOW GAIN
MID GAINXOVER FREQ
CLIP
CLIP
HIGHLOW MID
HIGHLOW
MID
CHANNEL 1
R
LTO
ON
OFF
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