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Page 8
Fitting the Wadding
Unlike many other speaker designs, our cabinets are designed to resonate to a certain degree and need the minimal
amount of wadding. In fact, the wadding should not even be fixed to the walls of the cabinet. Instead, laying the wadding
in the correct way will be enough to hold it in place.
The following instructions are applicable to each sheet in turn.
Before you begin, please cut off approximately 30-grams of wadding from the length of the sheet (i.e. making the longest
side slightly shorter by several inches). This can be put to one side for the time being as it will be used later when we
come to fit the woofer.
Now take the remainder of the sheets and cut it in half length-ways. This should leave you with two long pieces.
Take one of these pieces and bring together the edges that are closest together so as to make a long sausage shape.
The flattened 'sausage' should be approximately the internal width of the cabinet or perhaps a bit less.
Place this 'sausage' into the top part of the cabinet through the hole left for the woofer, with the 'join' facing inward, and
tuck lightly upward and across the top of the inside of the cabinet. Try to do this evenly so that the parts of the wadding
that drop on each side of the cabinet pretty much lay on the bracings that run across each side of the cabinet. The
'sausage' can be allowed to open up so that it effectively lines the cabinet wall to a limited extent.
You should not need to attach the wadding in any way - just arrange it so that it is unlikely to move very much.
Now, take the remaining piece of wadding and create another 'sausage' with it. This time put it in the cabinet so that it is
arranged at the bottom of the cabinet in the same manner. Make sure that the wadding does not block the entrance to
the bass port!
The main wadding is now complete for one speaker cabinet. Repeat the process on the other speaker cabinet.