High Order Quarterwave Society (DIY Paraflex development community) | IT FINALLY HAPPENED | Facebook
![Update: The cheapest sub I've ever bought. We built a new cabinet, loosely based one the original. Got a building fever going and want to build subs (18"), any suggestions? : r/SoundSystem Update: The cheapest sub I've ever bought. We built a new cabinet, loosely based one the original. Got a building fever going and want to build subs (18"), any suggestions? : r/SoundSystem](https://i.redd.it/bp4ztdnr2sm31.jpg)
Update: The cheapest sub I've ever bought. We built a new cabinet, loosely based one the original. Got a building fever going and want to build subs (18"), any suggestions? : r/SoundSystem
![B&C 21SW152-4 "Othorn" Hochleistungs-Hornsubwoofer 21" | 900 EUR - Gebrauchte-Veranstaltungstechnik.de - Der Marktplatz für gebrauchte Veranstaltungstechnik B&C 21SW152-4 "Othorn" Hochleistungs-Hornsubwoofer 21" | 900 EUR - Gebrauchte-Veranstaltungstechnik.de - Der Marktplatz für gebrauchte Veranstaltungstechnik](https://cdn.g-vt.de/use/$_59-3.jpeg)