Knock Sound Recordings
Knock sound recordings demonstrate what you would hear when using THE KNOCK BOX.
The following sound recordings were sampled at various RPM at first with correct timing, which does not produce knock; then timing was advanced to induce knock, and finally timing was reduced to eliminate knock:
- 2500 rpm. 13, 23, 13 degrees
- 3500 rpm. 17, 27, 17 degrees
- 4000 rpm. 17, 27, 17 degrees
- 4500 rpm. 18, 28, 18 degrees
- 5000 rpm. 21, 31, 21 degrees
The following sound recordings were sampled at various RPM to demonstrate heavy knock:
- 2500 rpm. 23 degrees
- 3000 rpm. 27 degrees
- 3500 rpm. 23 degrees
- 4000 rpm. 27 degrees
- 4500 rpm. 28 degrees
- 5000 rpm. 31 degrees
Please note, the following sounds are in Microsoft’s WMA format which can be played through Windows Media Player and other audio players with WMA support.