The Response D48 was designed and built to replace ProAc previous flagship floorstander, the Response D40. By any measure this must have been a huge challenge as the D40 achieved cult status during it's production run. ProAc doesn't introduce new models just for fun or fashion, so the new D48R can be considered a totally new design. Indeed all it shares with the D40 is the cabinet size and the Brand name!

The Ribbon tweeter is a standout but the changes and improvements do not end there. The Mid/bass drivers are also a new ProAc design and likewise the crossover, designed by Stewart Tyler and assembled using the finest components.

So like the D40 but better. A more expansive soundstage, more detailed midrange with smoother more extended frequency response. The bass is tighter and even more tuneful. A worthy successor.