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When using a pair of VA-806/907 subwoofers in stereo, it is
preferable to place each subwoofer adjacent to the satellite of the
same channel.
Keep in mind that frequency response and output level can be
drastically influenced by placement depending on the acoustic
properties of the listening room. Typically the VA-806/709 will
sound louder when placed next to a wall or in a corner.
Caution!
The VA series subwoofers have amplifiers built into the cabinet. Do
not place the cabinet next to sources of heat such as furnace
registers, radiators, etc. The power cord should be routed in such
a way that it will not be walked on, pinched, or compressed in any
way.
Regardless of where you install your VA-806/907 subwoofer, it
must remain in an upright position (passive radiator facing down-
ward). Using, shipping, or otherwise storing the VA-806/907 sub-
woofer in any other position for an extended period of time may
result in damage to the unit not covered by warranty.
The VA-806/907 Subwoofer is magnetically shielded to reduce
magnetic emission from its cabinet to increase the number of
possible locations available for placement. However, this shielding
may not be adequate for all installations. Certain types of televisions
are particularly sensitive to stray magnetic fields. If your television
produces distorted colors after installation of your VA-806/907
subwoofer, simply increase the distance between your television
and the VA-806/907 until normal color and operation is returned.
Care of your subwoofer
Do not use any harsh detergents or chemicals to clean the cabinet.
Abrasives, detergents, or cleaning solutions may damage the finish
on the cabinet. We recommend using a damp cloth to clean the
cabinet.
During normal conditions, the VA-806/907 subwoofer may be left on
continuously without any problems. The unit is equipped with a
continued. . .
Installation
Your new VA-806/907 subwoofer system provides for a number of
installation options. Read all the installation information below in
order to determine which installation option is best for your system.
Remember to perform all installation procedures with system
power turned off.
Inputs
Your new VA-806/907 subwoofer is equipped with both speaker-
level and line-level inputs. Use the LINE-IN jacks when connecting
your subwoofer to a pre-amp, signal processor, or line-level cross-
over. The FROM AMPLIFIER jacks connect directly to the speaker
outputs of a integrated amplifier or receiver. Your amplifier section
will notice no additional loading effects when you use these inputs
because of their high impedance.
Note
Do not use both LINE-IN and FROM AMPLIFIER inputs simulta-
neously.
Volume control
This control allows you to balance the output from the subwoofer to
the main speakers in your system. To adjust the volume, start with
the volume knob indicator at the "MIN" setting. With your other
speakers playing, rotate the knob clockwise until you create a
volume balance with your speakers. In most cases this will be
somewhere between the "10 o'clock" and "2 o'clock" positions on
the dial.
Warning - Turning the volume to "MAX" setting may dam-
age the subwoofer with certain source material.
Low-pass crossover
Both sets of inputs sum the left and right channels together and the
resulting signal is passed through an adjustable low-pass crossover
before being amplified. The crossover control allows you to adjust
the upper limit of the subwoofer's frequency response from 50 to