bottle sound

The simplest case of no holes is the classic bottle sound, when one blows over the opening of a bottle.

Switching the cabinet voicing off, you realise just how much it is working to condition the sound ready for tape; because without it, you are straight back to the two gnats in a bottle sound, beloved of direct outputs on many amps.

Welk often demonstrated multiple times on-camera how the champagne bottle sound was created, by placing a finger in his mouth, releasing it to make the popping sound, and making a soft hissing sound to simulate the bubbles escaping the bottle.