This is an old post, I realize, but I have a question. From the curves your posted, and from my own simulation, the values above give an EQ boost centered at about 35Hz, but the original SLOB has it at 20Hz. Am I misreading this, or is there some other explanation? Thx.
The crossover calculations were done by another member- Ylab. He and I had a bit of back and forth and the values posted are what he proposed and I followed. I have not run them through the simulator. I just updated the values on my ACN board and listened.
Ylab did say, much like Papa, that each person should experiment with different values for the resistors and caps to get a sound they like. I was happy with the performance when I followed his updates and I haven't made any changes. I think the values are a good starting point but by no means should be the end all, be all.
I posted the info figuring there were others like me who are a bit challenged when calculating crossover values.
My guess would be it was necessary to accommodate the flange of the woofer. One of the core principles of woodworking: Turn your errors into design features.
viva Palermo
anche io sono da li
Sorry, late the party on this (story of my life.) Surely the SB Bianco 15OB350 would be good drivers for this application. Designed for open baffle - Qts 0.57, xmax of 8.35mm, Fs of 34 Hz and not difficult to drive - Re 7.2 ohms. Good value too. Full specs here: https://www.sbaudience.com/index.php/products/various-drivers/bianco-15ob350/
Perfect for Händel's "Water music"...Washed 'em in too hot water and they shrunk
Very inspiring thread! So sad that my listening room is very small with not much space left for those big beauties. This speakers, Pass analog crossover, an Aleph 30 for Bass and a M2x for FR is my dream combo now.. looking forward to see you project progress @peppennino