1) Plug the LINE OUT from your Cassette deck or amplifier into the LINE IN on your soundcard (you'll need an RCA to stereo phono adaptor lead/plug) ;
2) Fire up your Sound Editor ;
3) Set your RECORDING DEVICE (in either your editor or Windows Volume Control or your Soundcard's Mixer Panel) to LINE IN ;
4) Adjust the INPUT LEVEL . . . hit RECORD ;
5) Save each file as a .WAV or convert them to .MP3.