Loudspeaker cabinet plans 2-Way 5" Bookshelf Ribbon Speaker. . Few experiences are as enthralling as being truly immersed by a good sound system. Once you get started you’ll find that the process isn’t terribly different from most cabinetry. Although only 826 mm tall, this loudspeaker gives good bass down to 30 Hz. We're talking f3 in the low 30s. While the mechanics of a speaker cabinet may seem confusing at first, there are simple principles behind them. Oct 13, 2017 ยท Speaker : 0. This isn’t an easy task. 2 Liters; DIY speaker plans – cabinet design.