Rane SM 82 User Manual

SM 82
STEREO LINE MIXER
1 2
SM 82
SEND
BAL
SEND
BAL
3
SEND
BAL
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SEND
BAL
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SEND
BAL
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SEND
BAL
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SEND
BAL
8
RETURN OUTPUT
SEND
BAL BAL BAL
OL OL OL OL OL OL OL OL OL OL
LEVEL LEVELPOWER LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL
0
2
4
8
6
0
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4
8
6
0
2
4
8
6
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0
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8
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0
2
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8
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0
2
4
8
6
10 10 10 10 10 10 10 10 10 10
0
5
10
STEREO
MIXER
R
C
L
0 5
10
R
C
L
0 5
10
R
C
L
0 5
10
R
C
L
0 5
10
R
C
L
0 5
10
R
C
L
0 5
10
R
C
L
0 5
10
R
C
L
R
C
L
R
C
L

Rane SM 82 Specifications

General

Channels	8
Signal-to-Noise Ratio	> 90 dB
Power Supply	Internal
Aux Sends	2
Effects	No built-in effects
USB	No
Input Type	Line
Frequency Response	20Hz - 20kHz
EQ	3-band (Bass, Mid, Treble)
Dimensions	19"
Inputs	8

Summary

Quick Start Guide

SM 82 Connection Details

Inputs

Details about the SM 82's unbalanced inputs and cable recommendations.

Outputs

Explains the SM 82's balanced main outputs and connection types.

Effects Devices

How to connect external mono/stereo effects devices to the SM 82.

Expanding Mixer Capabilities

How to connect multiple SM 82 units for expanded input capacity.

Front Panel Controls and Indicators

Power Switch Operation

Describes the function and operation of the unit's power switch.

Input Level Control

Explains the stereo attenuator for adjusting input signal level.

Input Overload Indicator

Indicates when input signal level is too high and may cause clipping.

Input Balance Control

Controls stereo image balance and acts as a pan for mono inputs.

Input Send Level Control

Adjusts the amount of input signal sent to auxiliary buses.

Return Level Control

Controls the level of the return signal added to the main output.

Return Overload Indicator

Indicates when return signal level is too high and may cause clipping.

Return Balance Control

Controls the balance of the effect or source connected to the loop return.

Output Level Control

Adjusts the final signal level at the main output jacks.

Output Overload Indicator

Indicates when output signal level is too high and may cause clipping.

Output Balance Control

Controls the relative levels of the main Left and Right outputs.

Rear Panel Connections

Main Output Jacks

Balanced Tip-Ring-Sleeve jacks for connecting to amplifiers or processing.

Main Expand Output

Connects one SM 82 to another for expanding system inputs.

Loop Return Jacks

Connects effects unit outputs or serves as an additional stereo input.

Loop Send Jacks

Jacks to drive an effect or similar device for returning to the loop.

Channel Input Jacks

Unbalanced ¼" jacks for connecting line-level signal sources.

Main Expand Input

Links multiple SM 82s or sums fixed-level stereo signals.

Loop Expand Input

Expands stereo loop buses by connecting to another SM 82's loop sends.

Remote Power Supply Input

Connects to an approved Rane AC power supply; requires 18-24V AC.

Chassis Ground Point

Connection point for grounding the unit's chassis to prevent hum.

Operating Instructions and Circuit Description

Circuit Description

Explains how signals are processed through filters, level controls, and summing amplifiers.

Effects Loop Functionality

Details how the effects loop receives audio from send controls and returns it.

Balance Control Explanation

Clarifies that balance controls adjust channel level, not overall signal gain.

High Noise Immunity

Highlights the unit's ability to mix various signal levels without noise issues.