“However, as with other transmission-line designs we have reviewed, it remains unclear to me what sonic benefit is gained by the increase in system complexity.—John Atkinson ”
“Unfortunately, the PMC IB-1S doesn't mitigate my prejudice against the concept, its low-frequency idiosyncrasies being due, in my opinion, to its TL design. I feel that a more conventional reflex, or even sealed-box, alignment would have produced a better all-around speaker design.—John Atkinson ”