High Eq; Mid Eq; Mid Eq Frequency; Low Eq - Mackie VLZ4 Owner's Manual

PAD PAD
-20dB -20dB

31. High EQ

AUX
U The high EQ provides up to U
1 15 dB of boost or cut above 1
12 kHz, and it is also flat (no
+15 +15
U U
boost or cut) at the detent.
2 2
Use it to add sizzle to cymbals,
an overall sense of
+15 +15
U U
transparency, or an edge to
3 3
keyboards, vocals, guitar and bacon frying. Turn it down
a little to reduce sibilance or to mask tape hiss.
+15 +15
U U
4 4
32. Mid EQ And 33. Freq (Mono Channels Only)
+15 +15
The mono channels employ
U U
a semi-parametric mid-sweep
5 5
EQ. The gain (up to 15 dB of
boost or cut) is set via the mid
+15 +15
U U
eq [32], and then "aimed" at a
6 6
specific frequency, from
+15 100 Hz to 8 kHz, via freq [33]. +15
FX FX
AUX 5/6 AUX 5/6
EQ

34. Low EQ

U U
The low EQ provides up to
15 dB of boost or cut below
-15 +15 -15 +15
U U
80 Hz. The circuit is flat at
the center detent position.
-15 +15 This frequency represents the -15 +15
800 800
punch in bass drums, bass
2k 200 2k
guitar, fat synth patches, and
100 8k 100 8k
some really serious male singers who eat raw beef for
U U
LOW LOW
breakfast.
80Hz 80Hz
-15 +15 -15 +15
35. High Mid EQ Level (Stereo Channels Only)

PAN

The high mid EQ provides
up to 15 dB of boost or cut
L R L R
at 2.5 kHz, and it is flat at
14 15
the detent. Midrange EQ is

MUTE

MUTE
often thought of as the most
dynamic because the
frequencies that define any
dB
10
particular sound are almost always found within this
5
range. For example, the female vocal range as well
as the fundamentals and harmonics of many
U
SOLO higher-timbred instruments. SOLO
5
10
36. Low Mid EQ Level (Stereo Channels Only)
20
The low mid EQ provides up
30
to 15 dB of boost or cut at
40
400 Hz, and is flat at the
50
60
detent. Frequencies affected
O O
typically include the male
vocal range as well as the
fundamentals and harmonics
of many lower-timbred instruments.
PAD
COMP
-20dB
OFF MAX
AUX AUX
U U
+15
1 1
+10
+5
+15
+15
U 0 U
–5
2 2
–10
+15 +15
–15
U U
20 100
Hz Hz
3 3
+15 +15
U U
4 4
+15 +15
+15
U U
+10
5 5
+5
0
+15 +15
U U
–5
–10
6 6
–15
20 100
Hz Hz
+15 +15
FX FX
AUX 5/6 AUX 5/6
EQ
EQ
U U
+15
-15 +15 +10 -15 +15
U U
+5
0
–5
-15 +15 -15 +15
800 800
–10
–15
200 2k 200 2k
20 100
Hz Hz
100 8k 100 8k
U U
LOW LOW
80Hz 80Hz
-15 +15 -15 +15
PAN PAN
+15
+10
L R L R
+5
17
16
0
MUTE
MUTE
–5
–10
–15
20 100
Hz Hz
dB dB
10 10
5 5
U U
SOLO SOLO
5 5
10 10
20 20
30 30
+15
+10
40 40
50 +5
50
60 60
0
O O O O
–5
–10
–15
20 100
Hz Hz
COMP COMP
OFF MAX OFF MAX
37. Pan
AUX AUX
U This control allows you to adjust U
1 how much of the channel signal 1
is sent to the left versus the right
+15 +15
U U
outputs.
2 2
With the knob panned hard left,
+15 +15
U the signal feeds the main left, U
1k 10k 20k
Hz Hz Hz
group 1, or group 3 busses,
3 3
depending on the setting of the
+15 +15
U U
assign switches [42]. With the knob
4 4
panned hard right, the signal feeds
the main right, group 2, or group 4
+15 +15
busses, again dependent on the
U U
setting of the assign switches [42].
5 5
The balance control employs a
+15 +15
U U
design called "Constant Loudness."
If you have a channel panned hard
6 6
left (or right) and then pan to the
1k 10k 20k
Hz Hz Hz
+15 +15
FX center, the signal is attenuated FX
AUX 5/6 AUX 5/6
about 3 dB to maintain the same
EQ EQ
U U
apparent loudness. Otherwise, it
would make the sound appear much
louder when panned center. This
-15 +15 -15 +15
U U
control is properly called "BAL" for
balance in the stereo channels.
-15 +15 -15 +15
800 800
38. Mute
200 2k 200 2k
1k 10k 20k
Hz Hz Hz
Mute switches do just what they
100 8k 100 8k
U U
sound like they do. They turn off the
LOW LOW
80Hz 80Hz
signal by "routing" it into oblivion.
Engaging a channel's mute switch
-15 +15 -15 +15
PAN PAN
(almost) provides the same results
as turning the fader all the way
down (a pre-aux send is not affected
L R L R
by the channel fader, but it is by
18 19
the mute switch). Any channel
MUTE MUTE
assignments to main mix, group 1-2,
or group 3-4 will be interrupted and
1k 10k 20k
Hz Hz Hz all of the aux sends will be silenced
dB dB
10 10
(both pre- and post-fader). The
5 5
channel insert [3] will continue to
provide a signal when a channel
U U
SOLO is muted. The OL LED [39] will SOLO
5 5
illuminate when a channel's mute
10 10
switch is engaged.
20 20

39. OL LED

30 30
40 40
This LED indicates the channel's
50 50
60 60
signal level after the gain and EQ
O O O O
controls, but just before the
channel's level. So even if the level
1k 10k 20k
Hz Hz Hz
is turned down, you can see if the
channel is being overloaded.
COMP
OFF MAX
AUX AUX
U U
1 1
+15 +15
U U
2 2
+15 +15
U U
3 3
+15 +15
U U
4 4
+15 +15
U U
5 5
+15 +15
U U
6 6
+15 +15
FX FX
AUX 5/6 AUX 5/6
EQ EQ
U U
-15 +15 -15 +15
U U
-15 +15 -15 +15
U
800
200 2k
100 8k -15 +15
U U
LOW LOW
80Hz 80Hz
-15 +15 -15 +15
PAN BAL
L R L R
21/22
20
MUTE
MUTE
ALT 3-4
dB dB
10 10
5 5
U U
SOLO SOLO
5 5
10 10
20 20
30 30
40 40
50 50
60 60
O O O O
Owner's Manual
+20
USB
TO LR
U
AUX
U
+15
U
1
+15
U
+15
U
2
27
+15
U
+15
U
3
+15
U
+15
U
4
28
+15
+15
U
U
5
29
+15
+15
U
U
6
30
+15
FX
+15
AUX 5/6
FX MASTER
EQ
U
31
TAP
-15 +15
DELAY
U
35
-15 +15
MUTE
U
36
-15 +15
U
34
LOW
80Hz
OFF MAX
COMP
-15 +15
BAL
37
L R 38
23/24
MUTE
ALT 3-4
1
39
dB dB dB
10 10 10
40
5 5 5
41
U U U
SOLO
43
5 5 5
10 10 10
42
20 20 20
30 30 30
40 40 40
50 50 50
60 60 60
O O O O O O
Stereo channel
19
SO
1
SO
2
SO
3
SO
4
SO
5
SO
6
SO
1
FX
SIG/OL
d
1
5
U
5
1
2
3
4
5
6