Dolby Model 330 Tape Duplicator, with Very Rare Dolby-B NR CAT66 Card installed
Dolby Tape Duplication Unit Model 330, a professional 1RU rack‑mount processor designed for cassette duplication workflows. Includes theCat 66 Dolby B noise‑reduction card, providing Dolby B encoding/decoding for production‑grade duplication chains.