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One thing I would like to see is a quad coil woofer/sub with good T/S parameters to operate sealed. During development of the Indium 7, I read a fair amount about the Watkins woofer and would like to try the approach. With quad 2 ohm coils, one could wire to get a 6 ohm and 2 ohm signal path. The concept is that you run the woofer off of the higher impedance coil, but have the low impedance coil connected to a notch filter that only allows current through around the resonant frequency of the woofer.
Keep an open mind, but don't let your brain fall out.
Yes, but doesn't the ATC have a lot more xmax allowing a lower and smoother crossover? Like 3mm vs 1.45mm?
Just because it is more linear, and may have more Xmax does not mean it will play lower. It does mean it will player louder though.
"Wolf, you shall now be known as "King of the Zip ties." -Pete00t "Wolf and speakers equivalent to Picasso and 'Blue'" -dantheman "He is a true ambassador for this forum and speaker DIY in general." -Ed Froste "We're all in this together, so keep your stick on the ice!" - Red Green aka Steve Smith
I think we can all agree that PE should house-brand the Tang Band giant dome midrange. Bonus points if they sell it with an ovoid or rectangular frame so we can get the driver spacing closer.
A midrange cone driver optimized for waveguides is also a solid idea. Someone stuffed a Fountek 2" unit in a horn, and the results were highly impressive, though the efficiency was still quite poor.
I do recall that WmAx measured the midrange from the Infinity Primus 3-ways. ~90dB efficient, very reasonable distortion, and it was $12 or so when they'd still sell you one. I could see a knockoff driver being a phenomenal seller.
Also, way at the top of the list are Sanwu amp modules, which perform quite well and are a bit hard to source because there's inferior knock-offs flying around. ALIexpress will sell me a TPA3116 mono module for $6; I'd gladly pay $9 just to guarantee I wasn't getting a dud.