Installation
The EDGE subwoofer can be installed in a variety of different ways, the most suitable will
depend upon your application.
Sealed enclosure installation
The most basic and simple of all speaker enclosures is the sealed enclosure otherwise referred
to as an acoustic suspension design. They are called acoustic suspension enclosures because
the air inside the box acts like a brake to control the woofer.
The sealed enclosure is the easiest design to build and tune, as long as you work within
the minimum and maximum recommended volumes you cannot get it wrong. The smaller
enclosures produce a tighter punchy bass, the larger enclosures produce a deeper bass.
Sealed enclosures offer high power handling, tight response and smooth low end roll off and
cone motion is better controlled at all frequencies because of the constant pressure on the back
of the woofer.
Sealed enclosures are ideally suited to rock, jazz and live music.
Ported enclosure installation
A ported or vented enclosure is not much more complex than a sealed design. It consists of a
box with a hole in it.
The vented enclosure has to be correctly designed in order to function correctly. The vent in
the enclosure interacts with the air in the cabinet and the woofer to increase output and reduce
cone excursion at and around the tuning frequency.
At the tuning frequency of the enclosure almost all of the bass is being produced by the vent,
not the woofer. It is more difficult to achieve good performance as the enclosure volume and
port volume are critical but the results are worth it as the ported box is up to 3 times as loud as
the same woofer in a sealed box. It is also possible with the correct tuning to add a “bump” in
the response of the enclosure to boost bass at a preferred frequency. Vented enclosures are
best suited to dance, R&B, electronically produced music and high SPL applications.
+
-
-
+
-
+
-
-
+
-
+
+
-
+
-
+
-
+
-
+
+
+
-
-
+
-
+
-
-
+
-
+
+
-
+
-
+
-
+
-
+
+
+
-
-
+
-
+
-
-
+
-
+
+
-
+
-
+
-
+
-
+
+
Sealed
ED510 Enclosure volume – 1.25 cuft
ED512 Enclosure volume – 1.75 cuft
ED515 Enclosure volume – 2.5 cuft
Ported
ED510 Enclosure volume – 1.25 cuft
Port – 4” diameter, 10 inch long
ED512 Enclosure volume – 1.75 cuft
Port – 4” diameter, 10 inch long
ED515 Enclosure volume – 2.5 cuft
Port – 4” diameter, 10 inch long
