Do these speakers exist?

Drubin,

A recent review linked from the Silverline website noted that the Sonatina 3 uses 1st order x-overs. Another portion of the Silverline site implies that common crossover topology is used throughout the line. FWIW

Take a look at the VMPS RM30. If purchased full boat - outboard crossover and bass amp installed in XO, the sensitivity is 93db with a flat 8 ohm impedance. Retail price is around 8.5K and is heavily discounted.

I had forgotten all about VPRS. A lot of people sure love them. Never heard those either. Geneally I have to either drive for hours or go to a show to hear stuff. They are sensitive, too.

I went thru the archives here including a loooong thread about t&P dominated by Roy of GM. Boy, that man is a genius.

I've been reading the GMA website the past couple of days. I highly recommend it to everyone. Thoughtful, well-written, detailed explanations of the goals for each model, the approach taken to solve different problems...he describes just about everything. I would be surprised if there are more than a handful or two of speaker designers who know as much as Roy does or who are as disciplined and methodical about building their products.

Yeah, agree on that. Find that old thread circa '02-'03 and you'll be even more impressed. He has an answer for everything... not a marketing/BS/subjective/questionable answer but a real, thorough, detailed answer backed-up with physics and acoustics in layman's terms.