I've been searching around or their D series cabinets and they seem to be almost non existent, very few dealers, and no real inventory, are they done as a brand?
Just an FYI, since Marshall bought Eden at the end of 2012, ALL Marshall dealers can order Eden gear. Most Marshall dealers don't carry them in stock because their main business is the Marshall guitar amps. But all of them can get it.
Also, now that Marshall has pulled the cab manufacturing out of the US and into their existing Marshall cabinet shop in the UK, the price of the cabinets has gone up significantly. I was one of the moderators of the Eden Forum for years before Marshall decided to pull the plug one day without telling anyone. I am a DNA Endorsing Artist now and it used to be that DNA cabs were more expensive than Eden cabs. Now they are less expensive. And, of course, since David Nordschow was the founder of Eden and designed all their amps and cabs until he left in 2009, his new company DNA has his latest designs.
Eden by Marshall did come out with a few nice things though in my opinion. On their WTP series, which replaced the WT series of David's designs, they added a second tube and this one is in the gain section. Original one was (and still is) in the impedance matching section operating within set parameters to achieve the warmth of sound that Eden hybrid amps are known for. Rolling tubes in that section makes extremely little if any difference in the sound of the amp. With another 12ax7 tube in the gain section in the new WTP series though, you can get a nice warm overdrive to a really dirty distortion out of it. And as with just about any tubes in the gain section, rolling tubes can make a difference with that tube. With the WT and earlier Eden amps, if you wanted distortion, you had to go out and buy a pedal. That's no longer necessary, so that's a cool thing.
On their TN series of amps, which are their class D amps, the form factor is larger than the WTX series which was David's design, while still being smaller than a normal Class A/B amp. They are still very lightweight at under 5-lbs for either the 225-watt TN-226 or the 500-watt TN501. I actually like the EQ section on these better than the one on the older WTX series. The WTX series had the bass, treble, and a mid EQ that can be toggled between 500Hz and and 2.2KHz. The TN series has Bass, low-mid semi-parametric, high-mid semi-parametric, and treble. It also has a Bass Boost that actually sounds good because it doesn't suck out the mids and boost the treble like the Enhance control does.
They have also changed what the E-series of cabs and combos, which used to be the Nemesis line long ago. They started calling them E-series before David left. These cabs are surprisingly good for the price and most of them have a small footprint because they use a whizzer-cone instead of a separate tweeter horn for the highs and high-mids. Had a friend who swore by them, so I bought one. I bought one of the EX112's and the TN226 specifically to play at a small venue where we hosted an open mic night about 40-45 times a year. That cab sounded so good that I bought another one. I would run both of those cabs through my big Eden amp for medium-sized venues and often received compliments on the sound.
So Eden still makes and has good stuff, but Marshall has condensed their offerings a LOT! The E-series cabs and amps are their lowest priced with the fewest options and still great sound. The TN (Terra Nova) is their mid-range and built around their class-D amps. The D-series is still there and are their best cabs, but over the last few years almost all the XLT cabs have been discontinued. The only two that are still being made are the D210XLT and the D115XLT. Everything else has gone to the XST which has better specs and a very flat frequency response. Funny to see that happen because when David owned Eden, those didn't sell as well as the XLT's. But I guess it makes more business sense than carrying each of those cabs in an XLT and an XST format?
The Eden D810XT is a combination of 4 XLT 10" speakers and 4 XST 10" speakers. So they can't classify it as an XLT or an XST. Reason for that was that they'd had an uptick in selling the 410XLT and 410XST cabs together and a drop off on their 810 sales. In fact the 810 dropped off their catalogs for a few years. Then they figured out that drop-off was because the XLT and XST cabs sounded really good together. So they combined them into one 810 in 2012 before Marshall bought them.
Here's my "small venue" set up using my TN-226 amp and just one EX-112 cab. it all sits nicely on a chair and I can store both by gig bag and my shoulder bag underneath it. I bought those in early 2018
And here's how my medium-venue rig looked running two of those 4 ohm cabs through my 400-watt per channel into 4 ohms amp. I plugged one into each channel. Each cab handles 300-watt and I didn't run it nearly high enough on my master to be a problem. Near the end of 2019 I replaced those two cabs with a DNS-210. You can really see how compact those cabs are compared to my amp, and that's with the cabs lying on their sides. The Eden TN501 would be about a perfect match for running two 8 ohm versions of those cabs. Of course, Eden discontinued them so once they are gone, there won't be any more of those 112's.