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DPS User’s Manual
Speaker Level Output
When connected in this fashion, your satellite speakers will be fed the same input signal as the
s
ubwoofer. This removes the lower bass from your satellites, enabling them to do a better job
reproducing high frequencies and giving your receiver’s amp more headroom (up to 50% more
power). You may also connect your satellites directly to your receiver or amplifier along with the
subwoofer if you wish to bypass this crossover.
Caution!!!
To avoid damage to your main amplifier, be sure to maintain correct polarity when making all
connections. Red (positive) to red, and black (negative) to black. Be sure that all connections
are tight, and that there are no loose strands or frayed wires.
A Word About Your Receiver’s Crossover and
the DPS Crossover
Your Velodyne DPS 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 locate the knob marked “LOW-PASS CROSSOVER” on the rear panel of the
subwoofer and turn it counterclockwise to the “DIRECT” position. This will eliminate the internal
cr
ossover from the signal path.
Note: If not using an external crossover
, you should use the built-in crossover for optimal
perfor
mance. When using a single RCA sub out fr
om the processor, it does not matter which
line level input (L/R) is used.
Interconnect Cables
When installing your new V
elodyne 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. We do recommend that you keep the length of cable as short as
possible to avoid any potential noise pr
oblems. When using speaker level connections, use a
decent quality speaker cable that mates well with the connectors (at least 14 gauge). Be very
careful 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, resulting in a
poor connection and possible short circuits.