Analog MIDI Drum Machine

Wednesday, November 26th, 2008

R. Scott from quiet_channel built a midi-controlled analog drum machine inside an old recipe card box. He took the rhythm secion from an old Farfisa organ and built a power supply for it. After adding pots to control the volume, he added a midi decoder kit from Highly Liquid to trigger seven drum sounds and […]

DIY 12AU7 Tube Preamp

Tuesday, November 25th, 2008

Alan from DIY Audio Projects built this neat little tube preamp around the 12AU7 or 12AX7 tube. It was built using mostly parts on hand, and can be built using back-to-back 12v transformers to get the high-voltage supply. Total cost was around $30. via DIYAP Hi-Fi Blog

QWERTY Keytar

Sunday, November 23rd, 2008

Are you tired of having your attempts to bring back the 80s thwarted by your ever-diminishing bank account and inability to locate authentic instruments? Breakcore musician and European geek Droon has bypassed both of these issues by gigging with a home-made QWERTY keytar, which actually proves to be an effective tool for managing loop-based software […]