In order to make a duplicate ("dupe") or copy of a cassette tape, you need a dual cassette deck that has recording capability. Using the dual cassette deck, you should be able to create the copy of the original cassette.
You will need two cassette players, an audio cable, and some time. Put the cassette you want to copy in a player (now on referred to as the first player), and plug in an audio cable to the headphone...
use your sound card line in jack to get audio into the computer. you will need a program to convert the audio to mp3 or other usable format. then it can be written to CD or e-mailed.. good luck
The simplest and cheapest way would be to use a casette player with headphone out or line out, a 3.5mm to 3.5mm stereo cable and your PC. I'd recommend a gold plated jack cable.
You could then...
A cassette tape is made out of a plastic material, coated with a substance that reacts to magnetic pulses. When it is being recorded to, the magnetic field alters the magentic substance of the tape,...