10
tWeeter MountIng
The tweeter mounting location inside the car exhibits a distinct and audible influence on the front
staging and tonality of the component system, overriding the system inherent sound quality . Depen-
ding on the chosen location for tweeter mounting, the front staging is going to be precise or diffuse .
Note that the tweeter level can be attenuated by a jumper on the crossover’s pcb bord, enabling
you to tailor the treble response for different mounting locations .
Aim for a tweeter location as unobstructed and as high as possible – highly recommended places
are the center of the A-pillars, the window triangles or else always as much up and in front as
possible .
Attention: The main radiation axis of both tweeters should cross at a virtual point approx . in the center
between and in front of passenger and driver’s seat . A direct “on-axis” installation of the tweeters,
where they aim or point at the listener, is not recommended . The result of tweeters angled too much
in direction of the listerner is called “side-biasing” – a condition where it is close to impossible to
achive a good front staging and where the sound seems to originate from the front doors instead
of playing in the center of the dash board!
Flat surface Mounting
Two parts are needed for flat surface mounting . The main tweeter units and the flat aluminum
baseplates .
Mark and drill holes where you want to fix the tweeters . You can use the baseplate ring as a tem-
plate . Three holes need to be drilled, one main hole for the cable routing and two small pilot holes
for fixing the base to the surface . You’ll need 2 .5mm and 6mm drill bits and a power drill . After
drilling the holes, mount the flat adapter ring to the surface, using the two self tapping flathead
screws contained in the acessory set . Feed the tweeter wire through the center hole and connect
the tweeter extension wire to the tweeter extension wire . Place the tweeter over the adaptor ring,
gently press the tweeter down and turn it clockwise, to lock it in place .
Flush Mounting
After choosing a mounting location that offers at least 17mm clearance behind the panel, you need
to pre-drill pilot holes for both tweeters . These two holes must be enlarged to 50mm diameter, using
a core drill . The cup adapter part must now be inserted into the cutout, and is fixed with the brass
spring blade and two metrical M3 screws contained in the hardware set . Assemble the tweeters by
inserting the tweeter lead wire into the center hole of the adapter, then push the tweeter down and
turn it counter-clockwise, to lock it in place . Finally, attach the tweeter extension wires to the lead
wires on the backside of both tweeters .
