VLZ3 4•Bus PREMIUM FX MIXER

WITH USB

2404 and 3204

VLZ3 4•Bus
The VLZ3 4•Bus takes the world-renowned Mackie 4•Bus
Series mixers to a whole new level, inluding the addition of
improved XDR2™ mic preamps, a redesigned mix bus, and
optimized active EQ on every channel. Additionally, USB
Recording and Playback, onboard dual RMFX+™ engines
and eight individual compressors come standard on every
VLZ3 4•Bus mixer.

The 2404-VLZ3 is equipped with 20 mono mic/line channels

while the 3204-VLZ3 comes standard with 28 mono mic/line
channels. Both mixers have two stereo channels with 4-band FEATURES:
equalization, four group outputs and inserts, and XLR and ■ Premium 4•Bus FX Mixer with USB
TRS stereo and mono main outputs and inserts.
■ Studio-grade XDR2™ Extended Dynamic Range mic
Each mono channel has an input Gain control with 60 dB of preamps with:
gain, a sharp 18 dB/octave, 100 Hz Low Cut filter, a 3-band • 130 dB dynamic range
EQ with sweepable mid, six Aux Sends, Pan, Mute, Solo, • Distortion under 0.0007% (20 Hz - 20 kHz)
assign switches, a 60mm fader and a Channel Insert jack for • Phantom power for studio condenser mics
connecting an external processor.
■ 4 subgroups, each with dedicated compressors
Other features include phantom power, mono and stereo
monitor outputs, a stereo tape input and output, a ¼-inch ■ Dedicated in-line channel compression for critical
stereo headphone jack, a dedicated talkback XLR jack, inputs
stereo 12-segment LED meters, a BNC lamp socket, and six ■ 3-band active EQ with swept mid-frequency
Aux Sends and Inserts.
■ Dual 32-bit RMFX+™ processsors featuring 24 “gig
Aux Sends 1-2 are pre-fader. Aux Sends 3-4 have a switch on ready” effects including reverb, delay, and chorus
each channel for selecting pre- or post-fader send, whereas
Aux Sends 5-6 are a fixed post-fader send, perfect for effects ■ Integrated 4x2 24-bit USB interface
loops. Auxes 1-6 have a master level control and all six • Stream subgroups or master L/R to your laptop for
Auxes are post-EQ. There are four stereo returns with various recording
• Use your favorite plug-in live via auxes 5/6
routing options for each return.
• Convenient stereo return for music playback from
The VLZ3 4•Bus packs a unique 4x2 USB recording and laptop during breaks
playback function, 2-Track Return selection, and features two
■ 6 aux sends with inserts, 1-2 pre, 3-4 pre/post
of Mackie’s patented Running Man FX processors (RMFX+™) switchable, 5-6 switchable to internal effects
featuring 24 “gig-ready” effects, the returns of which may
be routed into the last two stereo channels for maximum ■ 18 dB/octave, 100 Hz low-cut filter on every mic input
flexibility.
■ 60mm long-wearing logarithmic-taper faders
■ All-steel, classic Mackie “Built-Like-A-Tank” chassis
APPLICATIONS design
Live sound mixing, houses of worship, clubs, gymnasiums, ■ Smallest footprint in class saves precious space
banquet halls, conference rooms, boardrooms, multitrack
studio and field recording, video post-production, ■ Lightweight and portable
• 2404-VLZ3: 31 lb / 14.1 kg
multimedia applications, broadcast, and many, many more.
• 3204-VLZ3: 39 lb / 17.7 kg

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 VLZ3 4•Bus PREMIUM FX MIXER
WITH USB

VLZ3 4•Bus SPECIFICATIONS

Noise Characteristics USB
(Mic in to Insert Send out, max gain) Format USB 1.1
150 termination: -129.0 dBu I/O Stereo input,
4 channel output
(20 Hz to 20 kHz bandwidth, 1/4" Main Out, channel gains @ unity
gain, channel EQs flat, all channels assigned to Main Mix, odd A/D/A 24 bit, 44.1 kHz / 48 kHz
channels panned left, even channels panned right)
Main Mix fader @ unity, channel faders down Input and Output Impedance
2404-VLZ3: -87.0 dBu (-91.0 dB Signal to Noise Ratio, ref +4 dBu) Mic In 2.7 k
3204-VLZ3: -84.5 dBu (-88.5 dB Signal to Noise Ratio, ref +4 dBu)
Channel Insert Return 2.5 k
Main Mix fader @ unity, channel faders @ unity
2404-VLZ3: -81.5 dBu All other inputs 10 k or greater
3204-VLZ3: -80.0 dBu Tape Out <10

Frequency Response All other outputs 120

(Mic input to any output) AC Power Requirements

20 Hz to 50 kHz +0 dB / –1 dB Power Consumption 55 watts (2404-VLZ3)
20 Hz to 100 kHz +0 dB / –3 dB 65 watts (3204-VLZ3)
Universal AC Power Supply 100 - 240 VAC, 50 - 60 Hz
Distortion (THD+N)
Operating Temperature 0˚ - 40˚C
(1 kHz @ 15 dB gain, 20 Hz - 20 kHz bandwidth) 32˚ - 104˚F
Mic In to Insert Send <0.001%
Mic In to Main Out <0.005% Physical Properties (packaged product)
Height 11.0 in / 279 mm (both)
Attenuation and Crosstalk Depth 25.0 in / 635 mm (both)
(1 kHz relative to +10 dBu, 20 Hz - 20 kHz bandwidth, Mic In, Width 35.0 in / 889 mm (2404-VLZ3)
1/4" Main Out, Gain @ unity) 44.0 in / 1118 mm (3204-VLZ3)
Channel Mute switch engaged –90 dBu Shipping Weight 37 lb / 16.8 kg (2404-VLZ3)
Channel Fader down –88 dBu 44 lb / 20.0 kg (3204-VLZ3)

Common Mode Rejection Ratio (CMRR) Physical Properties (product)

(Mic In to Insert Send out, max gain) Front Height 2.0 in / 50.8 mm (both)
1 kHz better than –70 dB Rear Height 6.0 in / 153 mm (both)
Depth 19.1 in / 486 mm (both)
Maximum Levels
Width 29.4 in / 748 mm (2404-VLZ3)
Mic In +21 dBu
38.0 in / 964 mm (3204-VLZ3)
All other inputs +21 dBu
Weight 31 lb / 14.1 kg (2404-VLZ3)
Main Mix XLR Out +27 dBu 39 lb / 17.7 kg (3204-VLZ3)
All other outputs +21 dBu
Options
3-Band Equalization (mono channels) Dust Cover (2404-VLZ3) P/N 093-008-00
Low ±15 dB @ 80 Hz Dust Cover (3204-VLZ3) P/N 093-008-01
Mid ±15 dB sweep 100 Hz-8 kHz
Ordering Information
High ±15 dB @ 12 kHz
2404-VLZ3 24-Ch./4-Bus Premium FX Mixer with USB, US
Low Cut Filter 18 dB/octave, –3 dB @ 100 Hz P/N 2034206-00
2404-VLZ3 24-Ch./4-Bus Premium FX Mixer with USB, EU
4-Band Equalization (stereo channels)
P/N 2034206-01
Low ±15 dB @ 80 Hz
2404-VLZ3 24-Ch./4-Bus Premium FX Mixer with USB, CN
Low-Mid ±15 dB @ 400 Hz P/N 2034206-05
High-Mid ±15 dB @ 2.5 kHz 3204-VLZ3 32-Ch./4-Bus Premium FX Mixer with USB, US
High ±15 dB @ 12 kHz P/N 2034208-00
3204-VLZ3 32-Ch./4-Bus Premium FX Mixer with USB, EU
P/N 2034208-01
3204-VLZ3 32-Ch./4-Bus Premium FX Mixer with USB, CN
P/N 2034208-05

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 VLZ3 4•Bus PREMIUM FX MIXER
WITH USB

VLZ3 4•Bus DIMENSIONS

1. WEIGHT APPROX. 31 lb [14.1 kg].
2. SHIPPING WEIGHT APPROX. 37 lb [16.8 kg]. [10˚]

29.429 5.753
[747.5] [146.12]

19.106
[485.3]

1.823
[46.3]

1. WEIGHT APPROX. 39 lb [17.7 kg].

2. SHIPPING WEIGHT APPROX. 44 lb [20.0 kg]. [10˚]
5.753
[146.12]
37.933
[963.5]

19.106
[485.3]

1.823
[46.3]

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 VLZ3 4•Bus PREMIUM FX MIXER
WITH USB

VLZ3 4•Bus FRONT AND REAR PANELS (2404-VLZ3 shown)

PHONES MONITOR GROUP INSERTS

(TIP=SEND, RING=RETURN) 23/24
(BAL/UNBAL)
21/22
(BAL/UNBAL)
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
L 4 3 2 1
L

(MONO)
MONITOR GROUP OUTS INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT
(MONO) (BAL/UNBAL)
R 4 3 2 1

AUX INSERTS STEREO RETURNS LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN
(TIP=SEND, RING=RETURN) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL) (BAL/UNBAL)
6 5 4 3 2 1 2 1
MIC 20 MIC 19 MIC 18 MIC 17 MIC 16 MIC 15 MIC 14 MIC 13 MIC 12 MIC 11 MIC 10 MIC 9 MIC 8 MIC 7 MIC 6 MIC 5 MIC 4 MIC 3 MIC 2 MIC 1
L XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E XDR
2 MIC PR
E

(MONO)
AUX SENDS
(BAL/UNBAL)
6 5 4 3 2 1
R

TALKBACK RIGHT LEFT MONO TAPE

2404
POWER PHANTOM MAIN OUT MAIN OUT MAIN OUT
ON ON MIC IN OUT WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC
L USB SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR
MOISTURE. DO NOT REMOVE COVER. NO USER SERVICEABLE
INSERT LINE INSERT LINE INSERT LINE OUTPUT AVIS: RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
SERIAL NUMBER REVISION

OO +6
TIP=SEND TIP=SEND TIP=SEND LEVEL
RING=RETURN (BAL/UNBAL) RING=RETURN (BAL/UNBAL) RING=RETURN (BAL/UNBAL)
R

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21/22 23/24
GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN
-10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV -10 dBV U U
C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN C GAIN
MI MI MI MI MI MI MI MI MI MI MI MI MI MI MI MI MI MI MI MI

2404
U U U U U U U U U U U U U U U U U U U U

12V
0 60 0 60 0 60 0 60 0 60 0 60 0 60 0 60 0 60 0 60 0 60 0 60 0 60 0 60 0 60 0 60 0 60 0 60 0 60 0 60 0.5A
-20 +20 -20 +20
+15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB +15dB -45dB

LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT LOW CUT U 2-TRACK RETURN USB OUT
100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz 100 Hz FX 1 FX 2 CH 1-2 CH 3-4 48V PWR
18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT 18dB/OCT

SOLO TAPE GRP 1-2 GRP 3-4

PAD PAD PAD PAD PAD PAD PAD PAD PAD PAD PAD PAD PAD PAD PAD PAD USB
OO +20
TO MAIN USB MAIN L/R AUX 5-6 MAIN
-20dB -20dB -20dB -20dB -20dB -20dB -20dB -20dB -20dB -20dB -20dB -20dB -20dB -20dB -20dB -20dB
MIX
OFF MAX OFF MAX OFF MAX OFF MAX
AUX MASTERS STEREO RETURNS LEFT RIGHT
COMP COMP COMP COMP 1 U U AUX U
20
1
AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX 10
1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
SOLO
PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE 7
OO +15 OO +15 OO +15
2 U U U
AUX 4
2
2
OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15
2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U SOLO 0
PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE OO +15 OO +15 OO +15
3 U U
AUX U 2

3 4
OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15
7
3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U 3 U
OO +15
SOLO
OO +15 OO +15
U U U 10
4 AUX LEVEL
SET
4 20

OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 30
4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U 4 U OO +15
SOLO
OO +15 OO +15 0 dB=0 dBu
U U U
5 MAIN

OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 RUDE SOLO
SOLO
PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE PRE OO +15 OO +15 OO +15
6 U
5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 1 2 SOLO MODE
FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1 FX1

SOLO SOLO SOLO PFL

OO +15 AFL
OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15
6
FX2
U 6
FX2
U 6
FX2
U
FX2
6 U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U 6
FX2
U FX 1 FX 2
U U U U U
SIG/OL SIG/OL
OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15 OO +15
INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX INT FX
AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 AUX 5/6 OO MAX OO MAX OO MAX OO MAX OO MAX
SEND MASTER TO AUX 1 SEND MASTER TO AUX 1 SOLO

EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U
EQ U U U U

HI HI HI HI HI HI HI HI HI HI HI HI HI HI HI HI HI HI HI HI HI HI
12k 12k 12k 12k 12k 12k 12k 12k 12k 12k 12k 12k 12k 12k 12k 12k 12k 12k 12k 12k 12k 12k
-15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 TAP OO MAX TAP OO MAX OO MAX
DELAY TO AUX 2 DELAY TO AUX 2 MONITOR
U U U U U U U U U U U U U U U U U U U U U U
HI HI U U U
MID MID MID MID MID MID MID MID MID MID MID MID MID MID MID MID MID MID MID MID MID MID
2.5k 2.5k
INT FX INT FX
-15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 MUTE MUTE
800 800 800 800 800 800 800 800 800 800 800 800 800 800 800 800 800 800 800 800 U U
FREQ FREQ FREQ FREQ FREQ FREQ FREQ FREQ FREQ FREQ FREQ FREQ FREQ FREQ FREQ FREQ FREQ FREQ FREQ FREQ OO MAX OO MAX OO MAX
LOW LOW TO MAIN TO MAIN PHONES
200 2k 200 2k 200 2k 200 2k 200 2k 200 2k 200 2k 200 2k 200 2k 200 2k 200 2k 200 2k 200 2k 200 2k 200 2k 200 2k 200 2k 200 2k 200 2k 200 2k MID MID
400Hz 400Hz GROUPS TALKBACK
100 8k 100 8k 100 8k 100 8k 100 8k 100 8k 100 8k 100 8k 100 8k 100 8k 100 8k 100 8k 100 8k 100 8k 100 8k 100 8k 100 8k 100 8k 100 8k 100 8k -15 +15 -15 +15 U
U U U U U U U U U U U U U U U U U U U U U U

LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW
80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz MAX
OFF MAX OFF MAX OFF MAX OFF MAX OO
COMP COMP COMP COMP LEVEL
-15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15 -15 +15
STEREO STEREO
PAN PAN PAN PAN PAN PAN PAN PAN PAN PAN PAN PAN PAN PAN PAN PAN PAN PAN PAN PAN BAL BAL
PUSH
SOLO SOLO SOLO SOLO TO TALK

L R L R L R L R L R L R L R L R L R L R L R L R L R L R L R L R L R L R L R L R L R L R AUX 1-4
LEFT LEFT LEFT LEFT

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21/22 23/24
MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MAIN
RIGHT RIGHT RIGHT RIGHT

1 2 3 4 MAIN MIX

OL OL OL OL OL OL OL OL OL OL OL OL OL OL OL OL OL OL OL OL OL OL
dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB
10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10

5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
SIG SIG SIG SIG SIG SIG SIG SIG SIG SIG SIG SIG SIG SIG SIG SIG SIG SIG SIG SIG SIG SIG

U U U U U U U U U U U U U U U U U U U U U U U U U U U

SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2
20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20

30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 3-4 30 30 30 30 30

40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40
50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50
60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 L/R 60 60 60 60 60
OO OO OO OO OO OO OO OO OO OO OO OO OO OO OO OO OO OO OO OO OO OO OO OO OO OO OO

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 Global 48v Mono Insert
48V Switch/LED Insert
Phantom Power
(To All Mics) Mono level

M ain
Sub
Mono
Phantom Power -20 Sig (flicker) OL (flicker)

FX 1
FX 2

Aux 3 (pre/post)
Aux 4 (pre/post)

4
Aux 1 (pre)
Aux 2 (pre)
Aux 5 (post)
Aux 6 (post)

L
R
1
2
3
PFL Solo
AFL solo L
AFL solo R
bypass solo (on) mute (on) Out
Gain HPF In
-20dB pad LO MID HI Assign
Pan
+ L sum L Insert
Mic L/R L
- 80 100~8K 12K
Mono Channels
HPF 1/2
1-16 (2404) 100Hz
1-24 (3204) Line Mic: 0 ~ +60dB Mute Level R sum R Insert
Main
Line: -15 ~ +45dB
3-Band EQ
w/ Swept Mid 3/4 Out
Phantom Power bypass FX2
Gain HPF In Aux 6 Main
FX1 level R
+ Comp Aux 5
Mic post
VLZ3 4•Bus BLOCK DIAGRAM

- Aux 4
pre
HPF Aux 3
100Hz Aux 2
L
Mono Channels Line Mic: 0 ~ +60dB
17-20 (2404) Aux 1 Tape Out
Line: -15 ~ +45dB
25-28 (3204) Solo to USB 1-2 R
Sub 1
-20 Sig (flicker) OL (flicker)
solo (on) mute (on) Sub 2

(Second stereo 4-Band EQ Sub 1-2

L + channel only) Gain to USB 3-4
LO MID MID HI Level Assign Main L-R
- Sub 3
Pan Aux 5 USB Out
Line 80 400 2.5K 12K L/R Sub 4
FX 1 Aux 6
USB Sub 3-4
R + 1/2 RUDE
LO MID MID HI Aux 5-6
- AFL Solo SOLO
3/4 L Meter LED Mono

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80 400 2.5K 12K
Select Monitor
-20 ~ +20dB Mute Level Monitor Out
Int FX 1 Out L FX1 R
Aux 6
Int FX 1 Out R L
FX2
(FX2 on 2 nd st ch.)
Aux 5
post PFL Solo
Aux 4
pre Solo
Stereo Channels Aux 3 Solo Level
21/22 & 23/24 (2404) Aux 2 Solo Logic
29/30 & 31/32 (3204) Aux 1 R
Phones
Solo mode Level
Solo AFL
PFL
Sub Assign To
L Main Mix
Tape Phones
Tape Input USB L
R
R
2 track Input Solo (1&3)
Level Solo Solo (2&4)
USB
In Sub 1 level
Sub 1 sum
Comp Insert Sub 1 Out
(Sub 2-4 identical)
+
Stereo L - Aux 1 sum Aux 1 Level
Return 1 & 2 To Main Mix Insert
+ Aux 1 Out
R - Solo Solo (Aux 2-6 identical)
Sig/OL
FX 1 master level
VLZ3 4•Bus

To Aux 1

To Aux 2
Aux1 Preset select
In
To Aux 3 Out L
Aux2 L
To Aux 4 FX 1 Tap
Main
Talkback Out R
Level Aux1-4 R
(To first stereo channel)

Active
FX
Talkback FX Mute Preset
WITH USB

L-R
4

1
2
3

L
R

Internal FX 1 Display
Assign
FX1
FX 2

Aux 6
Aux 5

Aux 2
Aux 3
Aux 4

Aux 1

(Internal FX 2 identical except

Sub

Main

returns to second stereo FX 1 Bypass

PFL solo

Logic
AFL solo R
AFL solo L

channel)
PREMIUM FX MIXER

5/6 PAGES
 VLZ3 4•Bus PREMIUM FX MIXER
WITH USB

Electronic files for this product are available at:

www.mackie.com
Specification Sheet VLZ3_4BUS_SS.PDF
Owner’s Manual VLZ3_4BUS_OM.PDF

Since we are always striving to make our products better by

incorporating new and improved materials, components, and
manufacturing methods, we reserve the right to change these
www.mackie.com specifications at any time without notice. “Mackie” and the “Running
16220 Wood-Red Road NE Man” figure are registered trademarks of LOUD Technologies Inc.
Woodinville, WA 98072 USA All other brand names mentioned are trademarks or registered
800-898-3211, Fax 425-487-4337, sales@mackie.com trademarks of their respective holders, and are hereby acknowledged.

Part No. SW0850 Rev. A 06/10 ©2010 LOUD Technologies Inc. All Rights Reserved.

6/6 PAGES

This manual downloaded from http://www.manualowl.com