I figured I could simply upload them on our webserver, so here you go:

• Sound of the cleaned keyboard: https://quantentoast.de/ibm-model-m-cleaned.mp4
• Sound with tapemod applied (no very noticeable on the video): https://quantentoast.de/ibm-model-m-tapemod.mp4

Thank you

I can’t imagine the sound of a room with like 20 pupils, each hammering on such a keyboard.

I’ll do that! Question is where to post it. Lemmy doesn’t support videos.