Boston Acoustics SPG555 - Manual (Page 7)

Interchangeable SPS ™
The SPG555 features a removable SPS ™ (Soft Part System) that contains the cone, surround, and
spider built into one frame. In the event that the cone, surround, or spider becomes damaged, it is
easily swapped out with a new one. Also, If the basket of the SPG555 is going to be visible, the SPS
™
can be removed allowing for painting, plating, or powder coating of the chassis.
SPS ™ Removal Instructions
1 ) Remove the SPG555 from the subwoofer enclosure.
2 ) Remove the mounting gasket  from the SPG555.
3 ) Remove the RV C ™  from the SPS ™  (see previous page for removal instructions).
4) Remove the 8 short screws  that secure the top of the SPS ™  to the basket .
5) Remove the 6 long screws  that secure the bottom of the SPS ™  to the basket .
6) With all 14 screws removed, the SPS ™ will slide out.
SPS ™ Installation Instructions
1 ) Place the SPS ™  in the basket  making sure that the terminals are positioned on the correct side, the
S P S ™  uses a peg to assure proper alignment and will not properly seat if installed backwards.
2) Hand tighten the 8 short screws  that secure the top of the SPS ™  to the basket .
3) Hand tighten the 6 long screws  that secure the bottom of the SPS ™  to the basket .
4 ) Install the RV C ™  into the SPS ™  (see previous page for installation instructions).
5 ) Install the mounting gasket  on the SPG555.
6 ) Install the SPG555 back into the subwoofer enclosure.
SPG555 Exploded View
SPS ™ (Soft Part System)