Has anyone had a chance to hear Lipinski L-707's? They are supposed to be extremely revealing.
By the way, regarding comments like "depends on associated equipment":
When performing a scientific experiment, as many factors other than the one being studies are to be kept as similar as possible in order to isolate the phenomenon being observed. Therefore, comments like "depends on the room" are not relevant as we should use an anechoic chamber or at the very least the same exact room. All associated equipment should similarly be the same.
By the way, regarding comments like "depends on associated equipment":
When performing a scientific experiment, as many factors other than the one being studies are to be kept as similar as possible in order to isolate the phenomenon being observed. Therefore, comments like "depends on the room" are not relevant as we should use an anechoic chamber or at the very least the same exact room. All associated equipment should similarly be the same.