Quote Originally Posted by clmrt
Is 4ft optimum for the 145?
WinISD says optimally flat tuning for E145 is 2.0 cuft. tuned to 57.10 Hz, actually. It's using Vas= 274.7.

With Vas= 427, is says same tuning in 3.109 cuft.

You guys building Everests: What's the volume and tuning used for E145 in those, please?