FET Compressor by Universal Audio

"The outboard chain on Amy's vocal was Pultec, going into a Urei 1176 blackface compressor, going into a Fairchild compressor. "

Vintage passive EQ by Universal Audio

"On the Pultec I was probably adding around 12k, just to brighten it up a little bit, adding air."

Tube compression emulation by Universal Audio

"The Urei will have been set with a very fast attack and a super-fast release, doing perhaps 10dB of compression, while the Fairchild will have had a very slow release."

Dual frequency filter by Waves

"I also use McDSP's Filterbank F2, probably shelving around 40Hz"

Multiband Parametric EQ by Waves

"I often use the Renaissance Q10 EQ for radical reductive EQ'ing, and you can see this in the settings I used on Amy's voice. I'm cutting four frequencies by 18dB; in two cases, 465 and 917, with a Q of 100! That's a really heavy notch. At 3107Hz the Q is only 13.7, so that's quite wide. Taking off 18dB here is enormous, but that's what it was."

Sibilance reduction tool by Waves

"... and the Waves De-esser cuts around 5506Hz. Amy is not hugely sibilant. The threshold here is 22, which is not that high for me. There would probably be no more than 3dB of de-essing."

Spring Reverb by Audiopunks

"The vocals had a spring reverb which would have been tracked when they recorded Amy, at Chung King Studios in New York."

Vintage plate reverb by Universal Audio

"I also recorded an EMT plate on the vocals at Metropolis."