Servicing -- The user should not attempt to service the subwoofer beyond what is described in the operating instructions. All other servicing should be referred to qualified service personnel. SPECIFICATIONS DLS-3500 DLS-3750 Cabinet (H,W,D) 15" x 12" x 18" 16.25" x 15" x 21"...
Record the serial number in the space provided on the warranty card or log onto www.velodyne.com. Product Features and Controls Built-in 160 watt (RMS) power amplifier (DLS-3500) Built-in 175 watt (RMS) power amplifier (DLS-3750) Built-in 200 watt (RMS) power amplifier (DLS-4000)
Line-level inputs and outputs Speaker-level inputs and outputs Signal sensing auto turn on/off with bypass option Variable volume control Selectable phase control (0 or 180 degrees) Dual staggered low-pass crossover; 12dB/octave initial, 24dB/octave ultimate Installation Your new DLS subwoofer system provides for a number of installation options.
Caution!!! To avoid damage to your main amplifier, be sure to maintain correct polarity when making all connections. The correct method is to connect 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. Figure 2: Installation using SPEAKER LEVEL INPUTS (from amplifier) INTEGRATED AMP / RECEIVER...
Line-level Connection Figure 1 shows connection to a pre-amplifier's main outputs and returning them to your amplifier inputs. When installed in this fashion, your satellite speakers will be crossed over at 80/100Hz which removes the lower bass from your amplifier and speakers, enabling them to do a better job reproducing high frequencies.