>Rick asked: > >>I would like to transfer some pre-recorded sounds from cassette tape to >>my Mac's hard drive. I would imagine this would involve some kind of >>special patch cord into the Mac's microphone input. Has anyone had any >>experience doing this? > >Yes. I've fought my way through this. It is a pain. > >There were 2 types of Mic input used on most Macs. One uses a standard 1/4" >jack the other uses a longer version of a 1/4" jack. Earlier Macs (IIsi >era) applied power to the Mic connector since the Mics supplied were >condenser Mics. I don't know what the later PlainTalk Mics (longer >connector) used as Mic capsules, but you couldn't use the earlier Apple >Mics with this sort of Mac Mic Input. Maybe the voltage was applied to the >longer part of the plug. What I did was to butcher one of these Mics to get >a connector, then soldered RCA Jacks on the other end. (or a Standard 1/4" Ahhh!!!! Don't do this! Your pulling 5V off the port and then pumping it into the output RCA jack. You were lucky you only got hum and not a bang! Use a short 1/8 jack to RCA and many of your problems will go away. David PS. I use a Large capsule mic through a seperate power supply, a pop filter and a mic pre amp all before it gts near my mac.