Time flies. A simple BR box for two drivers would be same tuning as above, just double the volume to 40 litres. A 3" dia. x 4.75" long vent as a starting point for 44Hz tuning. A MLTL might be another possibility, but I have no way of modeling it.
Last time I was in Skagway was 1981. Is the Red Onion still there?
jeff
Last time I was in Skagway was 1981. Is the Red Onion still there?
jeff