All the bits should have finished by now.  But the printer glitched on the last half shell.  Boo.

Tonight I'll get it going again.  In the mean time, the printer is busy printing a bass reflex enclosure for comparison.  There will be several ways of testing the little drivers:

• Original closed back units
• New bass reflex units with various length ports and variations of stuffing
• Free air
• The transmission line without stuffing and through various attempt of getting it to behave by ramming fluff into it

The above measurements will be made using a calibrated microphone and REW.  It's a great combination.