advice for an RLA inspired system

I welcome ideas and questions, the more this gets discussed the happier I am 

In terms of the 2395, I'm not really holding out on finding a pair on the second hand market, and if they do pop up they will cost an absolute bomb. I doubt theres any in England anyway and most sellers wouldn't like to ship it all the way over from America. I've found someone who said they can make me reproductions of the 2395s (lee are you out there??) which solves that problem. The other problem, is the horn behind the slant lens. Thats going to be the hens tooth! I think maybe someone reproduces them too, but I haven't looked into that yet. 2350s is definitely a good idea if it takes me ages to figure out the 2395s. I'd also be using tweeters for the VHF on the stacks as well as in an array.

Good info on the E140, thats the kind of knowledge I was looking for when I posted here, thanks!

So, in terms for a rough plan/timeline of this project, I've been thinking about this for a few months now, doing some research, thinking about how hard it'd be to get all the drivers and electronics. There may be someone in NY who has most of the electronics I need, they have the crossover, I've not asked about anything else yet.

I've never built/designed a soundsystem/speakers before. I know how to use them, set them up, tune the room etc but in terms of picking the right boxes and designs I'm not too clued up on. So I've ordered some books, Handbook of Soundsystem design, Loudspeaker Design etc so I can do my homework about all the technical details and the science behind it all. Already pretty sure on the JBL scoop style but still want to know WHY instead of just looking and copying others. So I plan on reading through these books, whilst getting a budget together, waiting for things to pop up on ebay etc. 

Once I feel like I've done enough homework, then the next step would be to build a 4520 for some testing. I can borrow some amps and crossover from where I work, so whilst building and testing I can still be looking for the original electronics, picking them up bit by bit. I plan on building a 4520, maybe a 4530, and maybe a waldorf, still not set in stone. Figure out which one I like, and think about if I want a sub. I'll probably build a few subs of different designs, still pending, to go along with the scoops, so I'll have a few options to try out for a mono stack. Got told off for wanting a sub to go with the JBL scoop as they provide enough bass, but I feel like the subs and the tweeter arrays are more of a DJ effect to be used with the crossover. They complement the full range stack, rather than being a part of it. RE that Facebook thread about the waldorf, I can't see it when I follow that link  do you think you could maybe screenshot the rest of it? I would love to see what people have to say.

Once I'm happy with whatever combination I go for, then the other stack can be built. That can then at least be used for a few pop up parties if I decide to go down that route. Then its just a matter of finding the right electronics, trawling online, probably stick with a digital crossover for a while for tuning and experimenting purposes. Once I have 2 stacks of an authentic set up, then I can begin looking for parts for the other 2 stacks.

This project of the sound system is a part of an even bigger project, which is mainly the space and the building its going to be put in. I've been building my recording studio for over a year, its nearly done now, and I have an electronics workshop but they're getting cramped and its not ideal where they are. So the plan is to find a building where I can have the studio, workshop and party space. Big big undertaking! I'm not going to rush this, I don't expect it to happen overnight. I work freelance so have plenty of free time depending on the time of year. There would be a lot of building work, but again I'm taking inspiration from Paradise Garage and will have construction parties to fund/make use of the space whilst its still quite raw. I plan on acoustically treating the room, again another big undertaking. All this will happen in phases. I'll probably get the 2 stacks sorted first and then begin on the building side of things, I've got a 2 year plan in my head, still really rough, and depending on money of course.

It all sounds like a lot of work, but for years now I have always wanted to go to a club that has an amazing sound system in a properly treated space, that doesn't have to conform to the regular club rules of booking big djs, selling enough tickets at a big price, making enough money on the bar to stay open. That can be a safe space for people who don't conform to what is now the standard of the tech house hand flopper taking selfies all night. That doesn't also have to work in a band setting, so they have to compromise the sound for bands as well as djs.

Working in clubs and knowing club owners, watching how they run their business, I realised that what I wanted was never going to happen unless I did it myself. The same with my studio, I always wanted to work in a proper recording studio, with a load of juicy analogue gear. I realised this was just never going to happen unless I built it myself, there are none anywhere close to me, let alone any that would employ me in the current climate.

If anyone has any ideas/advice for this project, please chip in!