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2-bus Explained

Q: I keep reading and hearing engineers talk about the “2-bus.” Maybe it’s a stupid question, but what is a 2-bus?

A: In traditional engineer/producer jargon, the 2-bus (not 2-buss, that would be something different) is the main stereo or 2-channel output from a mixing console. The term is now applied to virtual mixers, summing boxes, and more.

Many engineers apply overall processing to the stereo mix on the 2-bus, such as EQ and compression. Some 2-channel/stereo compressors — such as the SSL G Series and the API 2500 — are so commonly used for this application that many engineers refer to them as “2-bus compressors.”

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    Solid State Logic XLogic G Series Compressor 2-channel Twin VCA Compressor Stereo Bus Compressor with Auto Fade and Remote Connector The 2-channel SSL XLogic G Series Compressor is considered "The Magic Box". According to Kevin...
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  • API 2500
    API 2500 Stereo Compressor with "Old" and "New" Compression, "Thrust" Circuit, Auto or Manual Gain Makeup, Variable Threshold, and Sidechain If you're after versatile compression, the API 2500 is a stellar pick. This stereo bus compressor sports API's patented "thrust" circuit, which ensures you can snag a hearty,...
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