One evening, daughter “K” was checking instagram. The phone was connected to a charger plugged into the wall socket. Suddenly there was a loud bang. With phone unplugged, the smelly charger was pulled from the scorched wall-socket. Upon close examination, the charger wasn’t the Apple-charger it appeared to be. I decided to do a post-mortem […]
Monthly Archives: May 2017
RedSub, part 2
Having sorted the basic shape and selected a driver, it’s time to pay attention to amplification. The driver is rated for 120W continuous, with 180W peak, so an amplifier capable of about 200W should do fine. Since the amplifier will go inside the box, efficiency is important, even if the heatsink can stick out of […]
Little Red Subwoofer
I’m very happy with my audio pro Addon Five. Except for one thing, bass. I have decided to build a little red subwoofer for my home office. It should be small and compact, have active amplification, good low frequency response and decent sound quality. After a few iterations, I settled on a cube, 35x35x35 cm […]