I think I finally discovered the secret to stereo typical punch sound effects. After hitting myself in every spot I ...
A fist Punch sound I made by hitting myself........ouch.
A stroke in a table with dishes used in a music with kitchen sounds.
Something bumping the microphone. Recorded with a cheap microphone, and cleaned up with Audacity.
A simple bass/synth hit made with Logic's es2.
ambient drone created electronically
A very strange grinding of passenger elevator while driving. Recorded: 2012-12-26. AB-stereo
Short button sound. Recorded, mixed and mastered in cAve studio, Plzen, 2002