EQU215TWIN
INPUT
OUTPUT
SIG CLIP SIG CLIP
RANGE
6
12
EQ
ON
16KHz
LOW-PASS
GRAPHIC STEREO
15 BAND EQUALIZER
INPUT
LEVEL
0
+12
-12
0dB
+12
-12
+6
- 6
Dual 15 Band Graphic Equalizer
63
250
1.6K
6.3K
40
160
1K
4K
25
100
630
400
2.5K
10K
16K
63
250
1.6K
6.3K
40
160
1K
4K
25
100
630
400
2.5K
10K
16K
INPUT
LEVEL
0
+12
-12
0dB
+12
-12
+6
- 6
Channel One
Channel Two
40Hz
HI-PASS
R
LTO
INPUT
OUTPUT
SIG CLIP SIG CLIP
RANGE
6
12
EQ
ON
16KHz
LOW-PASS
40Hz
HI-PASS
4
II
EQU131-
Front Panel
MK
-
II
EQU215
Front Panel
MK
EQU215TWIN
Front Panel
-
II
MK
1
1
2
2
6
13
12
1. INTRODUCTION
EQU Series Graphic Equalizers include the following seven models:
EQU131-
-
EQU215-
-
EQU215TWIN-
-
EQU131VU-
-
EQU231VU-
-
EQU231-
-
EQU231TWIN-
-
MK
Graphic Mono 31 Band Equalizer
MK
Graphic Stereo 15 Band Equalizer
MK
Graphic Stereo 15 Band Equalizer
MK
Graphic Mono 31 Band Equalizer / VU Meter*1
MK
Graphic Stereo 31 Band Equalizer / VU Meter*2
MK
Graphic Stereo 31 Band Equalizer
MK
Graphic Stereo 31 Band Equalizer
II
II
II
II
II
II
II
2. FEATURE LIST
Easy to operate front panel controls
Constant Q circuitry with a 3% center frequency accuracy
Control range 6dB / 12dB selectable
Active balanced and unbalanced input and output connectors
Variable input level control
Signal clip pilot
Ground "LIFT" switch to disconnect signal ground from chassis ground
Power off automatic bypass function
Line voltage selectable
Robust and compact design
Intended for installation in standard 19" rack space
Manufactured Under QS9000, VDA6.1 certified management system
3. CONTROL ELEMENTS
3.1 The Front Panel
1
2
3 4
5
6
9
13
1
1
Thank you very much for expressing your confidence in
LTO products by purchasing our EQU MKII Series Graphic
Equalizers. With the EQU you have acquired an extremely musical and flexible Graphic Equalizer.
The high-end EQU MKII Series Graphic Equalizers are based on many years of experience and are designed to pro-
vide a permanent precise equalization to the musician, performer, studio engineer and sound contractor. The EQU can
be used wherever is requested to modify the frequency "contour" of a sound and can offer a solution to many common
sound problems and allows the user to use the creativity to obtain nice results in terms of sound characterization.
LEVEL
0
+12
-12
GRAPHIC STEREO
15 BAND EQUALIZER
EQU215
INPUT
OUTPUT
12
6
ON
EQ
RANGE
63
250
1.6K
6.3K
40
160
1K
4K
25
100
630
400
2.5K
10K
16K
Dual 15 Band Graphic Equalizer
+6
- 6
R
LTO
Channel One
0
+12
-12
+6
- 6
LEVEL
- 6
Channel Two
63
250
1.6K
6.3K
40
160
1K
4K
25
100
630
400
2.5K
10K
16K
0dB
+12
-12
0dB
+12
-12
40Hz
HI-PASS
16KHz
LOW-PASS
SIG CLIP SIG CLIP
INPUT
OUTPUT
12
6
ON
EQ
RANGE
40Hz
HI-PASS
16KHz
LOW-PASS
SIG CLIP SIG CLIP
INPUT
LEVEL
0
0dB
+12
-12
GRAPHIC MONO
31 BAND EQUALIZER
EQU131
+12
-12
20
31.5
50
100
200
500
1.25K
2.5K
6.3K
12.5K
25
40
80
160
400
1K
2K
5K
10K
63
125
315
800
250
630
1.6K
4K
3.15K
8K
16K
20K
31 Band Graphic Equalizer
+6
- 6
R
LTO
INPUT
OUTPUT
ON
40Hz
16KHz
12
6
SIG CLIP
SIG CLIP
EQ
RANGE
HI
PASS
LOW
PASS
2
9
5
6
3
4
910
4
3
5
10
12
13
12
10
7
7
8
7 8
8
7 8
