Mackie LM-3204 User Manual

LM-3204 OWNER’S MANUAL
10
22
+20
OO
U
1
LEVEL
+20
OO
U
2
+20
OO
U
3
LEVEL
+20
OO
U
4
STEREO AUX RETURNS
AUX RETURN
TO CONTROL
ROOM ONLY
SOURCE
ALT 3-4
40
30
20
10
7
4
2
0
2 4
7
+
–
CLIP
PHONES
OO
SOLO
+20
OO
U
TAPE
MONITOR
LEVEL
POWER
LM-3204 STEREO LINE MIXER
,,,
,
,
,
,
,
,
,
,,,,
,
,
,
,,
,
,
,
,,
,
,
,
,
,
,,
,
,,
,
dB
20
15
5
10
OO
5
10
30
40
U
dB
20
15
5
10
OO
5
10
30
40
U
,
,
,
,
,
,
,
,,
,,
,
,
,
,
,,,
,,
,
,
,,
,
,,,
,
,
,
,
,,
,
,,
,
,,
,
,
,,
,
,
,
,
,
,
,
,
,
,,,
,
,
,,
,
,
,
,,
,
,
,
,,
LEFT RIGHT CONTROL R M
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
1
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
2
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
3
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
4
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
5
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
6
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
7
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
8
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
9
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
10
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
11
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
12
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
13
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
14
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
15
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
U
+30dB
OO
BALANCE
L
–15 +15
U
–12 +12
U
2
+15
OO
U
–15 +15
U
1
+15
OO
U
16
SHIFT
-20
OL
4 3
12k
STEREO MONO
HI
80
LO
2.5k
MID
EQ
SOLO
AUX
LR
1
CHANNEL
2
CHANNEL
3
CHANNEL
4
CHANNEL
5
CHANNEL
6
CHANNEL
7
CHANNEL
8
CHANNEL
9
CHANNEL
10
CHANNEL
11
CHANNEL
12
CHANNEL
13
CHANNEL
14
CHANNEL
15
CHANNEL
16
CHANNEL
MUTE
ALT 3- 4
MUTE
ALT 3- 4
MUTE
ALT 3- 4
MUTE
ALT 3- 4
MUTE
ALT 3- 4
MUTE
ALT 3- 4
MUTE
ALT 3- 4
MUTE
ALT 3- 4
MUTE
ALT 3- 4
MUTE
ALT 3- 4
MUTE
ALT 3- 4
MUTE
ALT 3- 4
MUTE
ALT 3- 4
MUTE
ALT 3- 4
MUTE
ALT 3- 4
MUTE
ALT 3- 4
GAINGAINGAINGAINGAINGAINGAINGAINGAINGAINGAINGAINGAINGAINGAINGAIN
®

Mackie LM-3204 Specifications

General

Brand	Mackie
Model	LM-3204
Category	Music Mixer
Language	English

Summary

Safety Instructions

General Safety Instructions

Provides essential safety precautions for operating the LM-3204 mixer.

Panel Layout and Function

Left Side Input Modules

Details the input modules (channel strips) on the left side of the mixer.

Right Side Master Output Section

Describes the master output section on the right side of the mixer.

Input Module Controls Tour

A detailed explanation of a typical input module's controls and functions.

Gain Control Details

Explains the stereo gain control, its range, and the "Unity Gain" setting.

Input Level Indicators (LEDs)

Channel Strip Functions (Solo, Mute, Balance)

Master Output Section Details

Covers master faders, meters, control room, and headphone controls.

Microphone Preamplifiers

Covers the two rear-panel microphone preamplifiers and their controls.

Rear-Panel Connections

Line Inputs and Mono Patching

Details line input jacks, mono patching, and connections.

Channel Inserts

Main Outputs and Inserts

Control Room and Phones Outputs

Microphone Input Connections

Covers rear panel mic inputs, gain, phantom power, and output.

General Information

Understanding Audio Levels

Discusses microphone vs. line levels, gain, and attenuation.

Noise, Headroom, and Clipping

Explains noise floor, clipping, and the importance of headroom.

Unity Gain Operation

Metering and Signal Monitoring

Solo Functionality

Using the LM-3204

Sensitivity Adjustment Procedure

Step-by-step guide to tuning input sensitivity for optimal headroom and specs.

Stage Instrument Submixer

Studio Instrument Submixer

Club Sound Reinforcement Mixer

DJ Mixer Setup

Appendix C: Specifications: Tech Stuff

LM-3204 Technical Specifications

Technical specifications including noise, distortion, impedance, and levels.

Appendix D: Service

Troubleshooting Common Issues

Guidance on diagnosing and resolving common mixer issues.

Obtaining Factory Service

Steps for returning the mixer for authorized repair and warranty service.