Gear · compressor
Undertone Audio Unfairchild
Dual-channel valve compressor/limiter, 2010s (reviewed 2018). Variable-mu valve design recreating and extending the Fairchild 670, with mid-side operation.
Source, read 15 Nov 2026
Records it appears on · 1
- Unlimited Love
Red Hot Chili Peppers · Album, 2022
- Drums · Mix effectsVerifiedSometimes used in the drum compression, named after the Fatso on the overheads.
Sources for each use are on the record’s own page.
Get the sound
First choice · Emulation of this unit
Undertone Audio UnFairchild 670M II
compressor
Undertone Audio's own plugin model of the UnFairchild 670M II.
Get the plugin ↗Alternative · Close match
Universal Audio Fairchild Tube Limiter Collection
compressor
Models the original Fairchild 670 that the UnFairchild recreates.
Get the plugin ↗Disclosure: plugin links currently go straight to the maker and earn us nothing. If that changes, affiliate links will be marked here. Suggestions are chosen on fit, never on commission, and are kept separate from the recording facts. More.