Tutorial; Mode Selection; Ch 1 In And Ch 2 In Switches - Solid State Logic THE BUS+ User Manual

Bus compressor

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Tutorial

The Bus+ has four different modes of operation to choose from.

Pressing the MODE switch will move you through the options.

CLASSIC STEREO - This is the classic mode of operation for the SSL

Bus Compressor. Designed to be used on stereo sources, the controls

on the left-hand side of the unit determine the settings of both left

and right channels. The right hand controls are disabled and have no

function associated to them in this mode (with the exception of the LF/

HF GAIN D-EQ control).

� S/C STEREO - An alternative stereo mode of operation. The controls on the left-hand side of the unit determine the settings

of both left and right channels. In this mode, the left and right side-chain signals are summed together, as opposed to being

individually rectified. The effect of this is that the Bus Compressor becomes 'more sensitive' towards mono content in a stereo

source - typically instruments like kick, snare, bass. Have a go at switching between CLASSIC STEREO and � S/C STEREO to

see which you prefer on the material you're compressing.

A short press and hold on the MODE switch allows you to 'go backwards' through the modes, useful for A/B'ing

In CLASSIC STEREO or �S/C STEREO, the right-hand side LF/HF GAIN control functions as the High Frequency Gain control

for both left and right (linked) channels. This is indicated by the red LED that accompanies the control (see illustration above).

In DUAL MONO or MID SIDE mode, the right-hand side LF/HF GAIN control functions as the Low Frequency Gain control for

Channel 2. This means that HF GAIN is only accessible in CLASSIC STEREO or �S/C STEREO modes.

DUAL MONO - This mode configures the Bus Compressor as two entirely independent mono processing engines. The controls

on the left-hand side determine the settings for channel 1 and the right-hand side controls determine the settings for channel 2.

MID SIDE - The Bus+ has built-in Mid-Side encode-decode circuitry that allows the left-hand side of the unit to process the 'Mid'

signal and the right side of the unit to process the 'Side' signal. This mode is a great tool for Mastering engineers.

These switches allow you to bypass all Bus Compressor and D-EQ

processing. In stereo modes, the CH 2 switch is disabled as CH 1 controls

both left and right channels.

between two adjacent options.

THE BUS+ User Guide

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