No effects and no sampling was used. What you see is what you hear (does that even make sense?)
Atari 800xl and Floppy Drive 0$
3.5 Inch Hard Drive 1$
Adaptec 2940UW SCSI Card $5
TI-99/4A and Tape Drive $15
8 Inch Floppy Drive $20
HP ScanJet 3C $25
Eico Oscilloscope $28