Jack English wrote about the Response 3 Signature in April 1994 (Vol.17 No.4):
Although the Response 3 Signature has not replaced ProAc's well-respected Response 3 (still available for $6500/pair, and reviewed in Vol.14 No.9, p.126), it is an evolved refinement of the basic design, and is intended to stand on its own. But is the 3 Signature worth $3500/pair more than the 3?
The Response 3 has a rich, full mid/upper bass; a lush, musical midrange with wonderful harmonic structures; a clean, quick presentation; a smooth, extended treble that lacks any textural coloration; and…