BlogHide Resteemsmattstir (25)in subwoofer • 7 years agoBuild a 12" MTH-30 Tappedhorn SUBWOOFER | First DTUBE VideoSoundTest: All parts and plans😉*: Speaker: the box Speaker 12-280/8-W Handle: Adam Hall 3405 Connectors: Rubber-foot: Wood: 16mm MDF Speaker-plan(planned for 15mm wood): Camera…