Both are modelled on 'golden-reference' units from the legendary Ocean Way Studios. The Fairchild Tube Limiter Collection ($299) comprises recreations of both the stereo Fairchild 670 and mono 660 limiters. Universal Audio's Fairchild 660 limiter plug-inUniversal Audio aren't used to resting on their laurels – their latest update to their UAD platform comes only a month after their last – and version 7.4 adds two new plug-ins: the Fairchild Tube Limiter Collection and the Maag EQ4.