Filter
Top Products
4
Model 642e SB Powered Subwoofer
Low Level Input
Use the input to connect to the subwoofer or LFE line out from
your processor/receiver. (pages 5 and 6)
Low Level Output
The outputs allow daisy chaining of multiple subwoofers, or as a
return path back to the processor. (pages 5 and 6)
On/Off Switch
Use this switch to turn the amplifier completely on or off.
AC Input
Use the included power cord to connect your amplifier to a wall
outlet. (pages 5 and 6)
110/220V 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 110-120V position.
LowPass Switch
When in the NORMAL position, adjustment of the crossover can
be made by the LowPass Control. If being fed a pre-filtered or THX
signal, place the switch at the BYPASS position. (pages 5 and 9)
Standby Switch
When in ON position, the amplifier will always be on. When in the
OFF position, the amplifier will be off. When in the AUTO position,
the amplifier will be in Automatic Standby Mode. (pages 5 and 9)
Phase Switch
This switch allows precise acoustic matching with satellite speaker
systems whose output may be phase reversed. (pages 5 and 10)
LowPass Control
An adjustable (40Hz to 140Hz) @ 18dB per octave low-pass cross-
over. (pages 5 and 9)
Product Serial Number
Write this number in the space provided on page 2 for future
reference.
Subwoofer Rear Panel
110-120V 220-240V
OFF
AC INPUT
50-60Hz 300W MAX
ON
FOR 110-120VAC, USE 3A L 250V FUSE
FOR 220-240VAC, USE 2A T 250V FUSE
STANDBYLOWPASS LOWPASS
PHASE OUTPUTINPUT
NORMAL NORMALOFF
ON INVERTBYPASS
60 80
14040
R
L/MONO
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
AVIS: RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR
DOUBLE INSULATION - WHEN SERVICING USE ONLY IDENTICAL REPLACEMENT PARTS
2001310
CAN/CSA STD.E60065
CERTIFIED TO
CONFORMS TO
UL STD.6500
AUTO
DESIGNED BY ATLANTIC TECHNOLOGY IN USA,
1
4
3
2
10
8
9
Subwoofer Rear Panel
Figure 1
1
6
3
2
7
8
9
5
6
7
10
4
5