Rage Drums #6 – Fairchild 670 Parallel Drum Bus Compression

The final dynamic processing test I conducted was an alternative approach to drum bus compression. This approach uses heavy compression with Fairchild 670 emulations running in parallel to blend in the compressed signal. This method avoids the audible  pumping and breathing from slamming the signal, and reinforces the uncompressed signal by pulling up the quieter decay and reverb of drums.

All three revisions of the Fairchild 670 are set up with the fastest time constant (1) and a high input gain to colour the audio. Following the same pattern as the previous tests, the plugins used were the Waves PuigChild 670, UAD Fairchild 670 Legacy and the UAD Fairchild 670 Collection.

The playlist containing the comparison can be found here:

I felt that running the drum bus compression in parallel added more weight to the drums and made them hit harder. This also reduced noticable pumping and breathing from the gain reduction. The fairchild added a lot more colour and grit than the LA-2A which suited the RATM heavy rock style.


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