Side mounted port
I am using a 3 " Precision Port in an Ampeg 108, with a 10 Emenince speaker upgrade, which is a tight fit. People have mounted the port in the rear, but it looks like a tight fit, to me, and it's flare would be right near the rear of the speaker. There has been a lengthy thread on this upgrade, and they have put the port in the rear, but I am thinking about using a side location to get more room from the port tube to internal walls. Thanks for all your expertise.