Stereo Inputs; 4Dbu / -10Dbv; Phones; The 3 Bands Equaliser - Alto S-12 User Manual

4.4 STEREO INPUTS

These are Channel 5 through 12. They are
organised in stereo pair and they are provided
with 1/4" TRS phone sockets.
If you connect only the left jack, the input will
operate in mono mode.
4.5 +4dB / -10dB u V
This switch adjusts the input sensitivity of
the line inputs on the stereo channels CH 5
~ CH 12. Engaging the switch is used to suit
for "-10dBV" sound source. If you are unsure,
leave the switch up.
7

4.6 PHONES

The 1/4" TRS socket will send out the signal
mix to a pair of headphones

4.5 The 3 BANDS EQUALISER

A 3-band equaliser is provided for all input channels with a wide
range of frequency adjustment.
4.5.1 HI 8
This is the Treble control. You can use it to get rid of high frequency
noises or to boost the sound of cymbals or the high harmonics of
the human voice. The gain range goes from -15dB to +15dB with
a center frequency of 12 kHz.
4.5.2 MID 9
This is the Midrange control. It can affect most fundamental fre-
quencies of all musical instruments and human voice. An attentive
use of this control will give you very wide panorama of sound effects.
The gain range goes from -12dB to +12dB and the center frequency
is 2.5 kHz.
4.5.3 LOW
This is the Bass control. Boost male voice or kickdrum and bass
guitar. Your system will sound much bigger than what it is. The gain
range goes from -15dB to +15dB and the center frequency is 80 Hz.
5
6
10
LINE IN 5/6 LINE IN 7/8
2 1
3
LEFT (MONO)
LEFT(MONO)
MIC (MONO)
TRIM
RIGHT
LEVEL
+4dBu
-10dBV
0dB 60dB MIC
9
5
LINE IN 9/10 LINE IN 11/12
LEFT (MONO) LEFT (MONO)
RIGHT RIGHT RIGHT
LEVEL LEVEL
+4dBu +4dBu
-10dBV -10dBV
6
EQ
HI
12kHz
-15 +15
MID
2.5kHz
-12 +12
LOW
80Hz
-15 +15
1
AUX
POST
PRE
- +15
2
POST
(PRE)
- +15
PAN
LEFT RIGHT
MUTE/
ALT 3-4
SOLO
PEAK
10
dB
5
0
-5
-10
-20
-25
-30
-40
-60
1
PHONES
LEVEL
+4dBu
-10dBV
7
8
9
10