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Samson MPL 1204 User Manual

Samson MPL 1204
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MIXER
SAMSON
®
MPL 1204
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Samson MPL 1204 Specifications

General IconGeneral
TypeAnalog
Channels12
Weight9.5 lbs
Microphone Preamps4
Other Inputs2
Main Outputs2
EQ Bands3-band
Phantom PowerYes
Headphone Output1

Summary

Guided Tour: Channel Controls

Trim Control

Controls input level for mic/line signals, adjustable from +4 dB to -50 dB (mic) or +24 to -30 dB (line).

Level Control

Controls channel input volume. Unity gain at '0', adjustable up to +10 dB boost.

Equalizer Controls

Adjusts boost/attenuation in low, mid, and high frequencies (±15 dB low/high, ±12 dB mid).

Auxiliary Sends

Route signal to Aux outputs for submixes or effects. Aux 1 is pre-fade, Aux 2 is post-fade.

Guided Tour: Main Section Controls

Main and Control Room Level Controls

Master faders for Main and Control Room outputs, controlling overall signal levels.

Bus L/R Switches and Faders

Route bus outputs to Main/Control Room and control bus output levels.

Guided Tour: Rear Panel Connections

Microphone and Line Inputs

Describes balanced XLR mic inputs and 1/4" balanced line inputs for channels.

Setting Up and Using The MPL 1204

Setting the Correct Gain Structure

Initial Setup and Controls

Initial setup: power off, amp volume min, controls at zero, set buses 1/2, meter on 1/2.

Optimizing Levels and Routing

Adjust amplifier levels, repeat gain setting for mics, set Aux sends, route to buses.

Connecting Sources and Setting Levels

Connect sources, set levels to unity/max, drive effects hot, adjust channel Level/Trim.

Gain Structure Completion

Confirms gain structure is set, optimizing signal for minimum noise and distortion.

Grounding Techniques

Busing, Submixing, and Channel Muting

Using Pan

Using Equalization

MPL 1204 Equalizer Controls

Details the MPL 1204's three-band EQ (high, mid, low) for each channel.

Using Aux Sends and Returns

Auxiliary Send Functionality

Explains the MPL 1204's two Aux sends for routing signals to external effects processors.

Auxiliary Return Functionality

Details the two stereo Auxiliary returns for bringing signal back from outboard devices.

Using Inserts

Channel Inserts for Signal Processing

Explains channel inserts for affecting individual input signals with processors.

Bus Inserts for Group Processing/Linking

Details bus inserts for processing groups of signals or linking mixers.

PFL/AFL Soloing

Introduction to PFL and AFL Soloing

Introduces PFL and AFL soloing options for headphone monitoring of input signals.

PFL Mode Explained

Explains PFL mode for checking input signal presence, pre-fader, pre-mix.

AFL Mode Explained

Explains AFL mode for post-fader, post-EQ soloing for monitoring in context.

Applications

Application 1: Recording Mixer

Detailed diagram and explanation for using the MPL 1204 as a recording mixer with multitrack recorders.

Application 2: Main Live Mixer

Diagram and explanation for using the MPL 1204 for main live sound mixing with PA speakers.

Specifications

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