3
Instruction Manual
High Level Output
Connect main Left/Right speakers here when using the High
Level Input.
High Level Input
If your electronics do not have a line-level sub out, connect the
Left-Right speaker terminals of your electronics to these con-
nections. Set the SB-900DF’s crossover to “Lowpass,” and adjust
accordingly. Make sure to set your receiver to “Large” for Left and
Right speakers.
AC Input
Use the included power cord to connect your amplifier to a wall
outlet.
Voltage Select Switch
Voltage switch for use in different countries. This switch will be set
when you receive the unit. Change this setting only when you are
sure your application requires it. For US, the switch should be set
to the 115V position.
Product Serial Number
Write this number in the space provided on page 2 for future
reference.
SERIAL
MODEL
SB900BJRWWY80100
SB-900DF-BLK Powered Subwoofer
Status LED
This will be green for "on" condition, red for "standby"
Standby Switch
When in ON position, the amplifier will always be on. When in the
AUTO position, the amplifier will be in Automatic Standby Mode.
Phase Switch
This switch allows precise acoustic matching with satellite speaker
systems whose output may be phase reversed. Try in both positions
— use the position that results in the strongest bass output.
Bass Level Control
Use this control to set the level of bass desired
Crossover Control
An adjustable (55Hz to 200Hz) @ 18dB per octave low-pass
crossover.
Low-Pass Switch
When in the LOW-PASS position, adjustment of the crossover can
be made by the Crossover Control. If being fed a pre-filtered or THX
signal, place the switch at the BYPASS position.
Low Level Input
Use the input to connect to the subwoofer or LFE line out from
your processor/receiver.
1
4
3
2
10
8
9
SB-900DF Subwoofer Rear Panel
Figure 1
2
10
11
4
5
3
12
5
1
7
6
8
9
6
7
11
12