1. INTRODUCTION
2. FEATURE LIST
Mountable in one standard 19" rack unit
Pro48V phantom power for MIC input stage
Expander/Gate is available for reducing noise smoothly
Smart compressor for precision, limiting signal peaks and dynamic processing
Voice optimized EQ is responsible for voice reinforcement
De-esser for eliminating the hiss and unnecessary vocal
High quality parts and rigid configuration for long life and full credibility
Manufactured under QS9000, VDA6.1 certified management system
3. CONTROL ELEMENTS
3.1 The Front Panel
3.1.1 INPUT Section
1. POWER Switch
Turn the apparatus ON or OFF.
4
Your VOICE plus provides with convenient operation interface and excellent performance. You can easily find the
five sections from the interface: Input section, Expander/Gate & Compressor section, Voice Optimized EQ section,
De-esser section and Master Vol. section. For further details, please refer to the following description:
Thank you very much for expressing your confidence in
LTO products by purchasing our VOICE plus Mic Preamp-
lifier/Voice Processor.
With the VOICE plus you have acquired an extremely useful Mic Preamplifier/Voice Processor which is based on many
years of experience and findings in amplifier and processor technology and is used throughout the world in renowned
studios, sound reinforcement systems as well as in broadcast and television studios. The VOICE plus meets highest
and non-compromise requirements in terms of operation, sound, specifications and workmanship.
The functional elements in the VOICE plus provides you a more natural and musical sound: eliminating interference
signals, smoothing out the overall signal dynamics, compensating deficiencies in the sound image and removing
unwanted frequencies etc.. The swit48V Phantom Power supply allows you to operate your condenser mic-
rophone more conveniently.
1
LTO
R
GAIN
dB
Hz
FREQUENCY
360
120
16
60
10
12
12
65
20
270
15
LINE
0
INPUT
PHANTOM
PHASE
LOW CUT
INPUT LEVEL(dB)
0
12 CLIP
12
2
3
4
5
6
7
8
LTO
R
GAIN REDUCTION(dB)
dB
ABSENCE
VOICE OPTIMIZED EQ
DE-ESSER
MASTER VOL.
ON
OFF
POWER
GAIN
dB
Hz
FREQUENCY
360
120
16
60
10
12
12
65
20
270
15
LINE
0
INPUT
PHANTOM
PHASE
LOW CUT
30
27
21
18
15
9
4
2
OUTPUT LEVEL(dB)
12
0
12
6
18
24
6
18
0
2
8
3
12
6
PRESENCE
dB
5
330
220
460
600
720
130
Hz
TUNING
WARMTH
dB
0
2
5
8
3
12
6
dB
BREATH
0
2
2
4
4
8
8
12
20
10
5
5
0
dB
Hz
CUT FREQUENCY
6K2
4K6
8K6
3K1
10K
12K
2K7
INPUT LEVEL(dB)
0
12 CLIP
12
60
dBu
THRESHOLD
0
35
15
OFF
1:N
RATIO
8
7
2.5
1.5
1.2
dBu
THRESHOLD
30
20
40
10
10
COMPRESSOR
dB/mSec
ATTACK
6
110
70
30
15
1
150
dB/Sec
RELEASE
0.05
5
0.3
0.1
3
1.5
0.5
dB
OUTPUT GAIN
10
10
20
20
0
N:1
RATIO
2
4
1
10
EXPANDER / GATE
MIC PREAMPLIFIER/
VOICE PROCESSOR
10
2
8
10
SMART
15
VOICE plus
OUTPUT LEVEL(dB)
ACTIVE
CLIP
12
0
6
12
6
0
2
BYPASS
ACTIVE
BYPASS
ACTIVE
BYPASS
ACTIVE
Summary of Contents for VOICE plus
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