TRETTITRE’s Retro audio devices with magnetic installations   Hi-Fi brand TRETTITRE brings back the retro audio devices with a series of wall-mounted wireless vinyl , CD , and cassette players for triple listening sessions. A rack holds all of them together in a single vertical installation, designed to unify them all like an artwork on the wall instead of making them separate devices. The modular system comes with four parts, starting with the TTT-W, which is a magnetic modular wall rack. It is flushed against the wall, and four circular magnetic pads are placed separately yet connected, resulting in a vertical design piece.   The three players that mount to the rack are the TTT-LP3 turntable, the TTT-DP3 CD player, and the TTT-CP3 cassette deck, each one designed to the same dimensions and style (steel, in this case), so they sit beside each other as a matched set.…