I read through a couple of threads posted here regarding this but my question was not answered in those threads. I have connected my turntable to my stereo receiver. I have connected the receiver from the Tape REC OUT to my iMac G5 line in port using an RCA Y 1/8" cable. When I play the LP and look at the System Preferences>Sound pane, I can see the input level moving, indicating it is receiving the sound from the LP. But I cannot hear the LP through the iMac speakers. Should I be able to listen to this LP with the internal speakers on the iMac? I haven't even gotten to the recording in Garage Band part yet.