That's why I wonder why Musicians friend tells me April before they get any in. I apparently missed the last one they told me they had in stock when I got the WD350. The price they gave me was less than they are going for used. Almost feel a little guilty about that but that's on them.
It does not help getting their daily email hoping its "your order is on its way"!
If you can swing it and need (or just really want) a cab now -- and if, as you say, the price you paid for the cab on-order is less than they're going for used -- you could leave the order in-place and pick up a cab elsewhere (new or used - your choice) to play through now.
If April comes and goes and you haven't gotten the order (or if you simply don't want to wait), you can cancel it -- you'll have had a cab to play through, meanwhile.
If the cab comes and you are happy with the single cab you've picked up, you can sell the literally new-in-box 115 at little-to-no loss -- I doubt you'd have much trouble. Or you can keep it and have a stack on-hand, if you think you might use it.
Might not make sense for you -- you know yourself and your situation better than I -- and I'm not trying to encourage reckless spending, but it's one possible approach.
EDIT: I missed this...
I could buy an adapter to 1/4" jack I know but the only speaker I could plug it into is a 60s Traynor 8ohm 2-15 cabinet that does sound great at low volume but with my electrical luck I figure it is just best to wait. And working on downsizing I don't really want to buy an adapter cord for a combination that would most likely be far from sonic perfection..
While I don't think they are the best long term solution, Neutrik makes adaptors you can use and I own and use them on occasions when I am stuck with this problem. If you go this route as a temporary workaround, only go with a genuine Neutrik branded adaptor...NA4LJX.
I wasn't sure if you had a cab to play through or not -- and I get not wanting to buy something you might not use much -- but
less than for one of these might be a not-unreasonable investment (less than another cab, certainly) to let you play through your Markbass or Traynor cab for the next three months while you wait for the Subway 115.
You might find that you like it through the Traynor. Or you might find it handy if you ever play somewhere, with your amp, through a cab that requires a 1/4" input. (I prefer Speakons, particularly as the power creeps up, but I don't think 350 Watts at 4 Ohms/175 W @ 8 Ohms is too unreasonable with a 1/4" connection).
