I didn't do much. I'd bought one PF115HE & altho I liked it's "lo-fi" sound it didn't handle much power b4 flubbing out. I ended up selling it.
I wanted a 115 that could handle descent power, like my old EV TL15
Less than a week after selling it, I saw another for sale at a ridiculously cheap price, so couldn't resist.
So I did a li'l research & thru JohnK10 bought a cuppla Eminence 3015's
(I also bought another PF115HE cab, cheap!

)
These drivers are meant to be in ported enclosures, but John had experimented with a sealed box, so I thought I'd try it first, I could always add a couple 4" ports later.
I liked the results.
They now handle a heap of power a still sound a li'l "lo-fi"
I always liked the look of the Ampeg PF11FHE & the weight & design is good too, so now they'll actually handle enough power, that I mostly use just one, but can stack em for a cool 2x15.
There's a thread about me asking the experts on here but as I'm on my ph app, I can't link it.
As I stated, there's quite a severe roll off in the lows, but simply adding the amp's bass control to 1 o'clock usually brings it back.
They sure ain't an Eden style 1x15. I think they sound pretty much like a sealed multi driver cab, so I like em.
BUT, I haven't ruled out adding ports to one of these cabs sometime. Would be a nice variation methinks
