Quote Originally Posted by DrNomis_44 View Post
Tthe only time you ever see speaker boxes with holes in them is when they are designed as Hi-Fi speakers, the hole in the Hi-Fi speaker is what's called a Bass Port, it is designed to extend the low-end of the speaker and flatten-out the response
Not entirely true Doc there are plenty of ported boxes, particularly bass boxes ( Markbass & Hartke ) and I think you'll find very few Fender and Vox combos that aren't open backed, even their big bass bins were ported a lot of rich stuff comes off the back of the speaker. Just read the rest of your post

Roy Buchanan used to face his twin away towards the back of the stage in most instances, mic at the front and sound off the rear of the speakers radiating out to the band and audience.

The Marshall box is very directional and if you're off centre they are just loud but get right in front of a fully cranked one and it's like a wall fell on you.