If people have forgotten, Canadians make great speakers. Here are one of the original designs that came out during the early to mid 1970s that started to use the NRC anechoic chamber. PSB like many others Canadian brands (the most famous would be Energy with either Energy 22 line) had access to this wonderful camber to create/design their speakers. These PSB Avante speakers are one of the originals that came out of the NRC during that time. From what I've been told, there is actually a pair in the museum. There are quite a bit of information about the NRC and the man behind the scene DR. Floyd Toole who help many Canadian brands make their mark on the audio scene. Potentially, it is possible Paul himself may have help built these speakers as Paul's father was a cabinet maker, and these cabs are well made with nice bevel fronts and very nice real wood veneer (walnut?). What makes these speakers unique are the black silicone blobs on the woofer. Why? I guess paper cones had diff...
All About Audio - Mostly Vintage