Velodyne Acoustics VRP-1000 ユーザーズマニュアル

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monitors, as there is very little stray magnetism.  Certain types of
televisions are particularly sensitive to stray magnetic fields.  If
your television produces distorted colors after installing your
subwoofer, simply increase the distance between your television
and the subwoofer until normal color and operation is returned.

Your new Velodyne subwoofer, like any good speaker system, requires
proper positioning within the listening space to provide maximum
performance.  Improperly placed speakers may degrade the sound
quality and reduce your listening pleasure.  Depending on the size
and type of furnishings in the room, perfect placement may not be
possible.  Finding the best location for your environment will likely
require some experimentation.  We suggest you experiment with the
location during setup to find what sounds best to you when seated
in your typical listening position.

Inputs
Your new subwoofer is equipped with speaker-level and line-level
inputs.  Use the LINE LEVEL jacks when connecting your subwoofer
to a pre-amp, signal processor (such as LFE out), line-level crossover,
or receiver with pre-amp level outputs.  The SPEAKER LEVEL jacks
connect directly to the speaker outputs of any amplifier, integrated
amplifier, or receiver.  Your amplifier section will notice no additional
loading effects when you use these inputs due to their very high
impedance.

Note:  You do not need to connect both the left and right LINE LEVEL
inputs from a single source (such as the LFE out on your receiver/
processor).  These inputs are summed together and simply
connecting one will provide the same amount of signal to the sub as
if you had used a “Y” connector and connected both.  If using the
SPEAKER LEVEL inputs, you DO want to connect both channels,
since different bass information might be present in each channel
going to your main speakers.