I took the liberty of looking at your profile, and there was no mention of you playing Double Bass. Do you, in fact, play upright? Reading you post, it appears you have wandered on to the Double bass amp thread, and posted an answer that would work on the Bass Guitar side. That does happen from time to time. Although the 4X10/115 is is a common BG cabinet configuration, it's not often that a Double Bassist will use that setup, as it's likely to generate low frequency feedback. The only DB set ups like the one your describing are for Rockabilly players, and even then they tend to use SVT's.
Reading back through the thread, I didn't find any mention of someone recommending only using matched cabinets. So it's very curious why you even brought that into the discussion. Just wondering why you felt it was necessary.
Ric