75.109.11.25
In Reply to: RE: Zu Druids posted by barondla on June 12, 2007 at 15:17:47
not heard but had a sheet of $35 plywood, two old B102 laying around and $8 APT80 clones so built something "that size"
I'd assume (?) ZD would be considered a "mass loaded t-line" with variable floor exit gap vent
diy ZD size pipe
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