4
• VOL: 12:00
• PHASE: up, 0 (normal)
• BYPASS: down, normal (crossover engaged)
• FREQUENCY: fully clockwise,highest crossover frequency (250 Hz)
BYPASS MODE
THX® and Dolby Digital processors provide a special facility to
calibrate subwoofers. When installing The Subwith such a
controller, follow the controller’s instructions for calibrating sub-
woofer output.When used with THX components, the THX CALI-
BRATED setting assures proper output level of The Sub.The VARI-
ABLE setting may be used to defeat this feature if you prefer a dif-
ferent bass level crossover frequency for music listening.
PHASE
When used in conjunction with some components, the bass
response of The Subwill be greater with the phase switch in the
down (180˚) position.
Listen to music with significant bass content with the switch in
each position to determine the correct setting for your system.
Sitting in the normal listening position, listen while a friend
changes the phase switch position.The audibly louder setting is
correct. Alternately, use an SPL meter to determine which
setting produces greater output in the 75-125 Hz range.
VOLUME
After the correct phase has been determined, you may arrive at
the desired level setting for non-THX listening by measuring
test tones starting above 1000 Hz down to 50 Hz. To achieve
smooth transition between the subwoofers and other drivers, it
may be useful to employ test tones available on compact disk
and an SPL meter. Adjust the level control on the subwoofer
amplifier until all tones measure the same SPL. Some THX®
controllers include the THX Wow disk with test tones with the
controller manual. Some controllers can produce a pink noise
signal for speaker calibration. Other test CDs are available from
your Sonance dealer.Always take SPL readings from ear level at
the listening position.
FREQUENCY
This adjustment is for use in non-THX applications and will
only be functional when the mode switch is in the variable
position. Use this control to create a smooth transition of bass
frequencies from the fullrange speakers to the subwoofer.
Generally, when used with speakers with larger woofers the fre-
quency should be set at a lower setting and when used with
speakers with smaller woofers it should be closer to the 150Hz
setting. If you have access to test tones you can use an SPL meter
to dtermine where the frequency adjustment should be set.
STANDBY
In normal operation, it is most convenient to set the POWER
switch to ON. In this mode, the amplifier turns on when it
receives an input signal, and turns off after eight to four min-
utes of no input. In the OFF position, the amplifier is powered
on and offby the master power switch.
System Connections
Strip 1/2" of insulation from each speaker wire. Attach the
positive conductor to the red binding post and the negative
wire to the black binding post. The following are system set-up
examples (A-F). Pick the example which best describes your
system.
A. THX, or AC-3 processor: Use the processor’s line level
subwoofer output.Use a single interconnect cable to the
LEFT LOW-LEVEL RCA INPUT jack (Figure 3). When
installing a pair of The Subs,use a Y connector at the proces-
sor to split the subwoofer signal to two interconnects,each dri-
ving the LEFT LOW LEVEL INPUT. Set mode and phase
switches in the up position.
B. Preamplifier and power amplifier, ProLogic processor, or
The SUB Rear Panel
PRE-AMP
H
2
0H
2
0
TAPE
LOOP
AUXTVCD OUTINLDVCR
PRE
OUT
L
R
INPUTS
SUB
POWER AMP
AUTO ON
OFF ON
LINE
LINE
OUTIN
L
R
WARNING:
HAZARDOUS ENERGY, MAKE PROPER SPEAKER
CONNECTIONS; SEE OWNERS MANUAL BEFORE USING
DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE
ATTENTION:
DEBRANCHER AVANT DE REMPLACER LE FUSIBLE
ATTENTION:
VOIR LE CAHIER D' INSTRUCTION
ATTENTION:
UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE
CAUTION:FOR CONTINUED PROTECTION AGAINST FIRE
HAZARD USE ONLY SAME TYPE AND RATING FUSE.
47K
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
AVIS:
RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR
SONANCE
S/N
A DIVISION OF DANA INNOVATIONS
SAN CLEMENTE, CA 92672
+
+
--
L
R
SONAMP 260
AC FUSE
3AG 5A
120VAC/60Hz
625 VA
USE 8Ω SPEAKERS
SPEAKER
4
+
THE SUB
®
POWERED SUBWOOFER
+
POWER
ON
OFF
VOLTAGE
SELECTOR
LEFT
RIGHT
LEFT
RIGHT
+
–
+
–
–
–
WARNING:
HAZARDOUS ENERGY, MAKE PROPER SPEAKER
CONNECTIONS; SEE OWNERS MANUAL BEFORE USING,
DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE
ATTENTION:
DEBRANCHER AVANT DE REMPLACER LE FUSIBLE
ATTENTION:
VOIR LE CAHIER D' INSTRUCTION
ATTENTION:
UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
AVIS:
RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR
LINE-LEVEL
INPUT
GREEN – ACTIVE
RED – STANDBY
AUTO-ON STATUS
FUSE
4A/125V
2A/250V
Type T
SPEAKER LEVEL INPUT
SPEAKER LEVEL OUTPUT
HIGH PASS (150Hz)
LINE-LEVEL
OUTPUT
HIGH PASS (150Hz)
115V
230V
SERIAL NO.
SAN CLEMENTE, CA 92672
M
O
N
O
Manufactured under license from Lucasfilm Ltd.
Lucasfilm and THX are registered trademarks of
Lucasfilm Ltd.
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