It's interesting to me that people are speaking up about their using present day Acoustic amps. I used to play Ampeg B-15's and thought nothing was better, than I played Trace Elliott followed buy SWR 15's.
I tried the little Acoustic 260 mini stack, and loved the tone. I've used it for about a year and a half and it meets my needs and sounds very good.
I also tried the Acoustic combos and was very impressed with their tone, and simplicity and the low prices.
I think there's a snob factor working against them when it comes to these amps. If your ears like the sound, and you like the size, and the power, buy it. I know several experienced bass players who have bought them and use them.
We simply have to get over the reference to the old Acoustic Amps.
Just my tuppence.