Sparrow-19ST (SB Acoustics SB13PFC25-08 with SB19ST-C000-4)
Sparrow-19ST SB Acoustics SB13PFC25-08 with SB19ST-C000-4 Tweeter Active BiAmped The Sparrow-19ST is my fourth attempt with the SB Acoustics 5″ plastic frame SB13PFC25-08 midwoofer. In all my previous designs, I… Read more >