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A Word About Your Receiver’s Crossover and
the Velodyne Optimum Subwoofer Crossover
Your Velodyne Optimum subwoofer is designed to operate using the full range audio signal for
input when using the built-in crossover (controlled by the dial on the back panel). Many home
theater processors/receivers (Dolby Digital
®
, DTS
®
, THX
®
) have a “subwoofer out” jack that
performs this same function and are designed to be used with a powered subwoofer.
In these installations, you may want to bypass the crossover in either the processor or the
Velodyne subwoofer. In some cases, you may want to use BOTH crossovers. To do this, you can
use both your processor’s crossover and the one internal to the Velodyne sub. You should
stagger the frequencies, (i.e., 120 Hz subwoofer, 80 Hz processor) for best results.
To bypass the subwoofer’s internal crossover when the unit is being fed a low pass signal from
another crossover, simply rotate the knob marked “LOW-PASS CROSSOVER” on the rear panel
of the subwoofer, turning it counterclockwise to the leftmost position. This will eliminate the
internal crossover from the signal path.
Note: If you are not using an external crossover, you should use the built-in crossover for the
best performance. When using a single RCA sub out from the processor, connect to the
“L” - LFE input on the subwoofer, or for more signal, use a “Y” connector and feed the signal
into both “R” and “L” inputs.
When installing your new Velodyne subwoofer using the line-level connections, you should always
use shielded phono cables. There are many decent cables available today
, most any of which
will work perfectly well. W
e do r
ecommend that you keep the length of cable as short as
possible to avoid any potential noise problems.
When using speaker level connections, use a quality speaker cable that mates well with the
connectors (at least 18-gauge). Be ver
y car
eful to avoid any loose or frayed strands that could
result in a short, causing a dangerous condition and possible damage to your unit. Cables of
extremely large size are typically not required. Extremely large gauge wire may not properly fit
in the binding posts, r
esulting in a poor connection and possible shor
t circuits.
USAGE
10
.
www.velodyne.com
Optimum User’s Manual
Interconnect Cables