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Introduction
In many homes and installations, the deep bass of a powered subwoofer is desired, but often there is
not a suitable location to install a box subwoofer. The Boston Sub10F In-Floor Subwoofer handily solves
this dilemma. Located below the floor and powered by the companion Boston SA1 Subwoofer Power
Amplifier, all that is visible in the listening room is a floor register.
Warning: Always turn off the amplifier when connecting the subwoofer and any other components to
the system.
Note: The Sub10F is an installed product. Installation should only be attempted by professional
installers or those possessing skills in construction, the proper use of hand and power tools, knowledge
of local building and fire codes, and a familiarity with the environment below the floor in which the sub-
woofer will be installed.
Placement
For maximum bass, place the Sub10F so its vent is near a corner or sidewall and is as close to the main
speakers as possible.
Floor Register (Not supplied)
The Sub10F mounts in the floor directly below a floor register. The register should have a minimum air
opening of 3 x 9". Return registers without moving parts should be used. If the register has moving lou-
vers or other moving parts, they will need to be removed to prevent them from rattling.
Floor Thickness
As floors differ in thickness, it is important to measure the depth of the floor register and the thickness
of the floor to confirm that the floor register will not be in contact with the subwoofer’s grille.
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