Back of subwoofer, Fig. 2, Reciever main speakers – NHT SW12 User Manual
Page 5
Back of Subwoofer
(refer to diagram above)
(1) Power Mode - Leaves Subwoofer in permanantly on
(ON), or puts the subwoofer in automatic standby mode
(AUTO).
(2) Power Indicator - The light is green when the sub-
woofer is on. The light is amber when the subwoofer is in
stand-by mode. The light is red when the subwoofer is in
protection.
(3) Volume Control - Adjusts the loudness of the sub-
woofer independently of the main speakers.
(4) Low-Pass Filter - Continuously variable low-pass
crossover control.
(5) Boundary Switch - Selects response mode of sub-
woofer, depending on placement.
(6) Subwoofer Phase Selector - 2-position selectable
phase control for subwoofer. (0 - 180)
(7) Line Input - Low level RCA input jacks for L/R signals
(8) LFE In/Out - Low level RCA input jack for LFE or sub-
woofer signal. Out is an unbuffered pass through used
for multiple subwoofers.
(9) Hi Level Input - Speaker level input connector.
(10) Power Switch - Turns the unit on and off
(11) Fuse Holder - location of the user servicable fuse
(12) Power Inlet - For universal AC line input connection
(13) Input Voltage Switch - Selects 115 VAC or 230
VAC mains voltage.
Connecting The SW10II OR SW12
Caution: Before connecting the SW10II OR SW12 to
your audio system, it is important to unplug or turn off
all AC power connections to connected components
such as receivers, amplifiers, preamplifiers, and proces-
sors. Do not plug in or connect the SW10II OR SW12
subwoofer to AC power until all connections have been
made.
Integrating the SW10II or SW12 into your surround sys-
tem is simple and straightforward when using this con-
nection method. Your AV Receiver will control all
crossover functions and the SW10II or SW12 will control
Subwoofer gain, phase and boundary equalization.
Connect the Subwoofer/LFE Output on your AV Receiver
to the LFE IN on the back of the SW10II or SW12. (Fig.
2)
In the event your receiver or pre-amp does not have a
LFE or Subwoofer output the SW10II/SW12 has two
additional connection methods:
1) Line Level
Use if:
You have an amp or receiver with Pre-Out jacks but no
LFE/Subwoofer jacks.
To connect for a Line Level signal (Fig. 3), keep your
main speakers connected as usual, but use RCA line-
level cables to connect as follows:
115V 60Hz /
230V 50Hz~
300W
T3.0AL 250V
For 115 V
T2.0AL 250V
For 230V
Hi Level Input
Out
R
In
L
LFE
Low Pass
Filter
40Hz
+
L
-
-
R +
Power
Mode
On
180
+3dB
-3dB
Auto
0
0
Phase Boundary
180Hz
Min
Max
Volume
Power
On
Off
Line
Input
Input Voltage
CAUTION: FOR CONTINUED PROTECTION AGAINST
FIRE, REPLACE ONLY WITH SAME TYPE 250V FUSE
CAUTION
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
2001228
WARNING: SHOCK HAZARD-DO NOT OPEN.
AVIS: RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR.
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CONFORMS TO
ULSTD.6500
CERTIFIED TO
CAN/CSA
STD.E60065
Green - On
Red - Protect
Amber - Standby
115
Powered
Subwoofer
1
6
5
3
4
7
8
9
2
10
11
12
13
CAUTION
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
WARNING: SHOCK HAZARD-DO NOT OPEN.
AVIS: RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR.
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: FOR CONTINUED PROTECTION AGAINST
FIRE, REPLACE ONLY WITH SAME TYPE 250V FUSE
2001228
CONFORMS TO
ULSTD.6500
CERTIFIED TO
CAN/CSA
STD.E60065
L
R
SPEAKER OUTPUTS
LFE / Sub
+
-
Reciever
Main Speakers
SW10 / SW12
Back of Subwoofer
Hi Level Input
Out
R
In
L
LFE
Low Pass
Filter
40Hz
+
L
-
-
R +
Power
Mode
On
180
+3dB
-3dB
Auto
0
0
Phase Boundary
180Hz
Min
Max
Volume
Line
Input
115
Fig. 2