DIY #Altec bass horn, #Yuichi 290 mid and tractrix turned tweeter. #Radian 950 driver for mid, and #JBL for tweeter. Overall sensitivity approx 97dB. High grade LR2 custom xover for 500Hz / 5,000Hz. Can convert this into CAD/CNC machine files or advanced flat pack kits. Andrew pic.twitter.com/V0aZXuHO01
— Bernard Žvokelj (@Berny2876) August 23, 2018
