Is this the real ProAc Response 2.5 design?
The design has not been copied directly from a commercial ProAc for obvious legal and ethical reasons, however there is a very strong belief through information gathered in the public domain that the design is very close to the real thing. Comparisons have been made by builders and many report the DIY speaker to be very close, as good or better in sound quality to the real ProAcs depending on the final execution of the design and parts used. One builder in particular, Jacq, indicates there are small differences in the woofer cone material composition in the form of less carbon fibre used in the customised original ProAcs, which result in a moderately audible 2000Hz peak in the DIY speaker. Consensus from many builders on this issue indicate the Jacq modified crossover modifications are very effective and should be implemented to achieve a closer result to the orignal ProAc sound. Furthermore, the addition of the extensive crossover work by Troels G. (see JPO linklist article) to furthe
