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Page 9
Remember to put those 30-gram pieces to one side for later.
Installing the Drivers
The drivers (especially the woofer) can be difficult to maneuver because of their heaviness and odd center of gravity.
Great care should therefore be taken to ensure that accidental damage of either the drivers or the cabinet does not occur.
In fact, it may be a good idea to lay the cabinets on their backs at this point and cover the cabinet fronts with a protective
covering such as a large towel while installing the drivers.
Installing the Tweeter
Before fitting the tweeter, it must be soldered to the correct lead that comes from the crossover (marked HF). One of the
terminals on the tweeter itself should be marked with a red color. This terminal must connect to the red HF wire from the
crossover. The white HF wire connects to the other terminal. Correct polarity is essential.
Once fitted, the tweeter fitting must provide an airtight seal between it and the cabinet.
You should use some of the Blu-Tack to provide this seal. This can be applied directly around the recessed rim of the
tweeter cutout - no gaps should be left. As the tweeter front should ideally be flush with the front of the cabinet, the Blu-
Tack may be 'kneaded' and thinned down to an appropriate thickness but not so thin that the seal is compromised.
The best way to tighten the screws is to first make them all finger-tight and then turn each slightly - rotating from one
screw to another. When screwing the tweeter in place, you shouldn't tighten the screws too much. The Blu-Tack should do
a nice job of cushioning the tweeter so tighten just enough to provide an adequate long-term seal.
Installing the Woofer
The woofer must be soldered to the LF lead from the crossover. Again, the red lead is connected to the terminal marked
with a red color and the white lead connected to the other. Correct polarity is essential.
As with the tweeter, the woofer must also have a good seal between it and cabinet. There should also be a degree of
'flexibility' between the driver basket and the cabinet. So again, the screws should not be tightened too much.
The same process for applying the Blu-Tack as explained above (in the sub-section 'Installing the Tweeter') should be
observed.
Before finally securing the woofer in place, the wadding that you saved from before should now be used. This is placed in
between the back of the woofer and the crossover. It can rest on the LF lead if required. Note, however, that if it is draped
over the wire, it should not be allowed to block the bass port in any way.
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