Hey, for power supplies, and 2.5mm stereo jacks... Try MCM Electronics They are the missing link between Radio Shack and Digikey. LOTS of audio stuff too. I just got the new catalog today (40A). http://www.mcmelectronics.com 1-800-543-4330 -Larry C. Larry1492@juno.com ***Watch for details concerning my new Calculator Graveyard homepage**