Front and back views of the full range single driver mass loaded transmission line bipoles.
The Jim Griffin Full-Range MLTL Bipole with a Dayton ND20FA-6 3/4" Neodymium Dome Tweeter augmenting the hf output of the CSS FR125 full range driver. The CSS driver runs full range; the tweeter uses a 1uF series capacitor for a simple first order high pass filter.
