Plugin Alliance "Shadow Hills Mastering Compressor Class A" ($29.99 | $14.99 is you own the classic version) with code: SHCA-2999 : r/AudioProductionDeals
Shadow Hills Mastering Compressor | UAD Audio Plugins | Universal Audio | Shadow hills, Recording studio design, Audio
Plugin Alliance goes Subscription: The MEGA bundle (includes Shadow Hills Mastering Compressor Class A and review of Purple Audio MC77 limiter) - www.andrulian.com
The Ultimate Shadow Hills Mastering Compressor Shootout - Blog - Flotown Mastering