Velodyne Acoustics Speaker DPS 10 User Manual

DPS Series  
DPS-10  
DPS-12  
U S E R ’ S  
M A N U A L  
Audio/Video Subwoofer System  
 
Table of Contents  
Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1  
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2  
Rear Panel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6  
Rear Panel Connections - Detailed Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7  
Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9  
Care of Your Subwoofer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9  
Troubleshooting and Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10  
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11  
Velodyne Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12  
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Congr atulations  
Congratulations on your purchase of a Velodyne Digital Power Slot™ (DPS) subwoofer system.  
This system represents the state-of-the-art in low frequency reproduction. Read and follow the  
instructions below to insure safe and proper system operation.  
Warning!  
To prevent fire or shock hazard, do not expose this equipment to rain or moisture. To avoid  
electrical shock, do not open speaker enclosure or amp chassis cover. Please observe all  
warnings on the equipment itself. There are no user serviceable parts inside. Please refer all  
service questions to your authorized Velodyne dealer.  
Prior to Installation  
Please unpack the system carefully. Please save the carton and all packaging materials  
for future use. Record the serial number in the space provided on the warranty card for  
future reference.  
Product Features and Controls  
• Microprocessor-controlled  
• Four selectable presets for customized listening mode  
• Selectable option to activate Auto-on/off feature  
• Night-mode setting  
• Built-in 185 watt (RMS) power amplifier (DPS-10)  
• Built-in 200 watt (RMS) power amplifier (DPS-12)  
• Adjustable (40 to 120 Hz) low-pass crossover with Subwoofer Direct setting  
• Speaker-level inputs and outputs  
• Line-level inputs  
• Variable volume control  
• Selectable phase control (0 or 180 degrees)  
• Dual staggered low-pass crossover; 12 dB/octave initial, 24 dB/octave ultimate  
• Anti-clipping circuit  
• Over excursion protection  
• Slot loaded design  
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Ins tallation  
Your new 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.  
Figure 1. Front Panel Display  
Front Panel Display  
Figure 1 shows the front panel display, which is located on the top of your subwoofer.  
Presets  
There are four presets, consisting of Movies, R&B — Rock, Jazz — Classical, and Games.  
Whichever preset you choose is illuminated with a blue LED. The presets provide the following  
characteristics for bass reproduction:  
Movies:  
Maximum output and impact for explosions and  
other action adventure movie content.  
R&B — Rock:  
Jazz — Classical:  
Games:  
Provides the driving bass found in today’s rock music.  
The tightest, cleanest, lowest distortion bass.  
Maximum loudness available for the impact of video games.  
Each preset has its own characteristic with respect to subsonic filter, volume differential, and  
a single equalizer (EQ) in order to optimize the listening mode for the preset.  
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The following table indicates musical style and which preset is recommended for it.  
Musical Style  
Suggested Preset  
Action Adventure Movies  
Alternative Rock  
Blues  
Broadway and Vocalists  
Children’s Music  
Christian and Gospel  
Classic Rock  
Movies  
Jazz — Classical  
Jazz — Classical  
Jazz — Classical  
Jazz — Classical  
Jazz — Classical  
R&B — Rock  
Classical  
Jazz — Classical  
R&B — Rock  
Jazz — Classical  
R&B — Rock  
Jazz — Classical  
R&B — Rock  
R&B — Rock  
Country — Rock  
Country — Soft  
Dance and DJ  
Folk  
Hard Rock and Metal  
Indie Music  
Latin Music  
R&B — Rock  
Miscellaneous  
Movies — Non-Action Adventure  
New Age  
Opera and Vocal  
Pop  
Jazz — Classical  
Jazz — Classical  
Jazz — Classical  
Jazz — Classical  
R&B — Rock  
R&B  
R&B — Rock  
Rap and Hip-Hop  
Rock  
R&B — Rock  
R&B — Rock  
Soundtracks  
R&B — Rock or Jazz —  
Classical  
Video Games  
Games  
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The following table shows the settings for various presets:  
Subsonic  
Filter  
EQ  
EQ  
Volume  
Preset  
Frequency  
Frequency  
Level  
Differential  
Movies  
24 Hz  
27 Hz  
24 Hz  
37 Hz  
52 Hz  
N/A  
+4 dB  
+3 dB  
N/A  
+8 dB  
+5 dB  
N/A  
R&B – Rock  
Jazz – Classical  
(Reference)  
Games  
34 Hz  
62  
+4 dB  
+4 dB  
RESTORE DEFAULTS – This feature allows you to restore default settings for your DPS  
subwoofer. By pressing the presets in EXACTLY the following order on the front panel display,  
the unit’s power light will blink three times indicating that you have restored defaults.  
1. Movies  
2. R&B – Rock  
3. Jazz – Classical  
4. Games  
5. Games  
6. Jazz – Classical  
7. R&B – Rock  
8. Movies  
When you press the presets in the above order, the power light will blink three times indicating  
that you have restored defaults. The default preset is Jazz-Classical, and the unit’s volume is  
reset to level 35 (out of 100).  
Night Mode  
Night mode limits the maximum output of the subwoofer for late night listening or to be more  
considerate of close neighbors. Press the NIGHT button to turn the night mode feature on or  
off. Engaging the night mode causes the LED lights to burn less brightly. Night mode does not  
universally diminish the volume, rather, on louder passages, the maximum output of the unit is  
limited. It may be that you will hear little or no difference in the output of the woofer when night  
mode is activated. However, when an explosion or other loud transient is played, you should  
notice less ouput.  
VOLUME Control  
This control allows you to balance the output from the subwoofer to the main speakers in your  
system. This control should be set to achieve similar volume level from between both the main  
speakers and subwoofer. When pressing volume up or down, the speed at which the power light  
blinks indicates subwoofer volume - the faster the blinking, the louder the unit plays. After the  
volume is changed (up or down), there will also be two sets of center LED blinks. Slower blinks  
represent tens and faster blinks represent ones. If the LED blinks three times, pauses, then blinks  
six times, this means that the volume is set at 36. The volume range is from 1 to 99.  
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IMPORTANT NOTE: Some manufacturers preset their receivers with the Sub-Out channel  
signal at a minimum level. It is very important to verify that your receiver Sub-Out channel is set  
to the same output level, or higher, as your front right and left channels. Refer to your receiver  
manual for the individual channel level adjustment procedure.  
WARNING: If your receiver Sub-Out channel is set too low, the subwoofer may appear  
to have a weak output, it may sound noisy or distorted, and the Auto-On/Off feature  
may not work properly.  
Auto-On/Off Feature  
The auto-on/off feature allows the subwoofer to turn itself off when not in use. On the top front  
panel display; press both the left button (Movies) and right button (Games).  
NOTE: When pressing both the Movies and the Games buttons, the timing is critical - both  
buttons must be depressed at exactly the same time for the feature to work.  
- If the center LED blinks for approximately five seconds, the auto-on/off feature is activated.  
If activated, the subwoofer will monitor its input, and if there is no signal present for  
approximately 15 minutes, it will shut down and go into standby mode. As soon as a signal  
is present again, the subwoofer will immediately turn itself back on.  
- If the center LED blinks for approximately two seconds, the auto-on/off feature is  
bypassed. The subwoofer will remain on until the power switch is turned off.  
WARNING: If the Sub-Out channel signal level from your receiver is too weak, this feature will  
not operate properly. See VOLUME CONTROL section.  
Light Control Function  
If you wish, you can deactivate the blue front panel lights on your DPS unit. To do this, press  
both the volume up and volume down buttons simultaneously — the power and preset lights  
should turn off. To reactivate the lights, press both volume buttons again.  
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Figure 2. DPS Rear Panel Connections  
Rear Panel Connections  
Figure 2 shows the connections on the rear panel of the DPS. Following are brief descriptions  
of the connections described in Figure 2. More detail on these connections can be found on  
the next page.  
(1) LOW-PASS CROSSOVER  
Use this knob to select the high-frequency range at which you wish to cut off the signal to  
the subwoofer. When the knob is turned all the way to the left, the Subwoofer Direct feature  
is invoked and the subwoofer plays all frequencies up to 200 Hz.  
(2) PHASE Switch  
Allows you to optimize the subwoofer performance for the location and your listening position.  
Select the switch position at which you hear more bass.  
(A) LINE INPUT/LFE Input  
Connect these jacks to the LINE OUT preamp output, LFE output or subwoofer output jack(s)  
of your receiver/processor. If using the LFE output from your receiver or processor, plug the  
single cable into the “L” — LFE input.  
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(B) SPEAKER LEVEL INPUT Terminals  
Connect these input terminals to the speaker output terminals of your amplifier or receiver.  
If you use this method of connection, when you go to the receiver speaker set up menu, make  
sure you select the large speaker option.  
Note: Do not use both the LINE INPUT/LFE INPUT connections and SPEAKER LEVEL INPUT  
connections simultaneously.  
(C) SPEAKER LEVEL OUTPUT Terminals  
Sends a speaker-level signal to the front speakers.  
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.  
Power Switch  
The master power switch is located on the lower right half of the unit. This rocker style switch is  
the main on/off for the unit. This switch should be set to position 1 for on (up), 0 for off (down).  
Rear Panel Connections - Detailed Explanation  
Your new subwoofer is equipped with both speaker-level and line-level inputs. Use the  
RCA/Phono type “INPUT” jacks when connecting your subwoofer to a pre-amp, signal  
processor, or line-level crossover. The “SPEAKER LEVEL INPUT” jacks connect directly to the  
speaker outputs of an integrated amplifier or receiver. Your amplifier section will notice no  
additional loading effects when you use these inputs because of their high impedance.  
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 40 to 120 Hz.  
The subwoofer’s response will begin rolling off above the frequency you set this control to.  
You should set the crossover frequency to obtain a smooth and seamless transition from  
the subwoofer to the main speakers in your system. If your main speakers are smaller  
units with limited low frequency output, you may wish to choose a higher frequency (such as  
100-120 Hz) than you would with larger speakers which have greater low frequency output.  
With larger speakers, you might start with this control set lower, such as 80 Hz.  
Subwoofer Direct  
Subwoofer Direct is a setting on the low-pass crossover knob and will allow frequencies up to  
200 Hz into the subwoofer. If you are not using an external crossover, we recommend that you  
use the one provided within the DPS unit for optimum performance.  
Phase Adjustment - 0°/180°  
This control allows you to “reverse” the phase of the subwoofer’s output signal 180° to correct  
for any possible mismatch and resulting cancellation between the subwoofer and your main  
speakers. To adjust, simply listen to the system with music playing. Then move the switch from  
one position to the other and listen for a change in low frequency output. The correct position  
will have a greater amount of apparent low frequency output.  
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Speaker Level Output  
When connected in this fashion, your satellite speakers will be fed the same input signal as the  
subwoofer. 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  
crossover from the signal path.  
Note: If not using an external crossover, you should use the built-in crossover for optimal  
performance. When using a single RCA sub out from the processor, it does not matter which  
line level input (L/R) is used.  
Interconnect Cables  
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. We do recommend that you keep the length of cable as short as  
possible to avoid any potential noise problems. 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.  
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Placement  
True subwoofers operate at extremely low frequencies, which are primarily omni-directional.  
While it is recommended that the subwoofers be placed on the same plane as the satellite  
speakers, room and system conditions often dictate otherwise. Keep in mind that frequency  
response and output level can be drastically influenced by placement, depending on the acoustic  
properties of your listening room. Typically, the optimum location for a subwoofer is in a front  
corner of your listening room. This location will usually offer the greatest output levels and  
optimum low frequency extension. The worst location for a subwoofer is typically far away from  
any walls, close to the center of your room and near an opening or door way. Avoid these  
locations when possible. When using a pair of Velodyne subwoofers in stereo, it is preferable  
to place each subwoofer near the satellite of the same channel. Typically, a minimum  
distance of one to two feet from your TV to the subwoofer will be adequate to avoid any  
magnetic interference.  
Caution!  
This subwoofer has electronics built into the cabinet. Do not place the cabinet next to sources  
of heat such as furnace registers, radiators, etc. Do not place the unit near sources of  
excessive moisture, such as evaporative coolers, humidifiers, etc. The power cord should be  
routed in such a way that it will not be walked on, pinched, or compressed in any way that could  
result in damaging the insulation or wire.  
Care of Your Subwoofer  
Do not use any harsh detergents or chemicals to clean the cabinet. Abrasives, detergents, or  
cleaning solutions will damage the finish on the cabinet. We recommend using a damp cloth to  
clean the front, back and sides. Use a soft cloth with a good quality furniture polish to clean the  
hand-rubbed, black lacquer, painted top. During normal conditions, the subwoofer may be left  
on continuously without any problems. If you plan to leave the unit unused for an extended period  
of time, we recommend that you turn off the unit by the master power switch on the rear panel.  
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T roubleshooting and Service  
Before seeking service for your amplifier or subwoofer, please re-check all systems. Following  
is a simple troubleshooting guide to assist you.  
1. Verify that the unit is plugged in and power outlet used is active.  
2. Is the power switch on?  
3. Is the unit receiving an input signal from your source?  
4. Have all controls (volume, crossover, phase, etc.) been properly set?  
5. If the unit has been running at high levels, one of the protection circuits may be engaged.  
Has the amplifier overheated?  
6. Make sure binding posts are tightened.  
If the protection circuitry is active, the unit may cycle on and off until operating parameters  
return to normal. Under more serious conditions, the unit may shut off completely. Normal  
operation should return upon cooling, but you may be required to turn the power off and then  
on again to reset the unit.  
The following conditions require service by a qualified technician:  
1. The power cord has become damaged  
2. The unit does not appear to operate normally or exhibits a marked  
change in performance  
3. The unit has been exposed to water  
4. Some part of the chassis or circuitry is physically damaged  
Thank You for Purchasing a Velodyne!  
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Specifications  
Specifications  
DPS-10  
DPS-12  
Driver  
10” forward firing  
12” forward firing  
(8.2” piston diameter)  
(9.9” piston diameter)  
Amplifier (Class A/B)  
375 watts Dynamic/  
185 watts RMS Power  
400 watts Dynamic/  
200 watts RMS power  
Frequency Response  
Low-Pass Crossover  
Inputs  
28 Hz — 120 Hz (+/-3 dB)  
25 Hz — 120 Hz (+/-3 dB)  
40 Hz — 120 Hz (12 dB/octave, 24 dB ultimate)  
Line-level and speaker-level  
Outputs  
Speaker-level  
Magnet  
40 oz. (2.5 lbs)  
2” four-layer copper  
55 oz. (3.5 lbs)  
Voice Coil  
2” four-layer copper  
Warranty  
Three years (electronics - parts and labor),  
Five years (drivers - parts and labor)  
Cabinet (H/W/D)  
(cm)  
16.25” x 14.5” x 17”  
18.25” x 14.5”x 19”  
46.4 x 36.8 x 48.3  
41.3 x 36.8 x 43.2  
Shipping Weight  
(approx.)  
51 lbs. (23.2 Kg)  
58 lbs. (26.4 Kg)  
Specifications are subject to change without notice.  
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Velodyne Products  
120V  
230V  
DD® Series  
DD-10  
SPL™-R Series  
DD® Series  
DD-10  
SMS-1  
SPL-800i  
SPL-800R  
SPL-1000R  
SPL-1200R  
SPL-1500R  
DD-12  
DD-12  
DD-15  
DD-15  
DD-18  
Digital Drive 1812  
Signature Edition  
DD-18  
Digital Drive 1812  
Signature Edition  
SPL™-R Series  
SPL-800R  
SubContrator™  
Series  
SPL-1000R  
SPL-1200R  
SPL-1500R  
SC-1250  
SC-8  
DLS™-R Series  
DLS-3500R  
DLS-3750R  
DLS-4000R  
DLS-5000R  
CHT-R Series  
CHT-8R  
SC-10  
SC-12  
SC-15  
SC-IW  
SC-IF/IC  
CHT-10R  
CHT-12R  
CHT-15R  
SubContrator™  
Series  
SC-1250  
SC-8  
DPS™ Series  
DPS-10  
SC-10  
SC-12  
SC-15  
SC-IW  
SC-IF/IC  
VRP Series  
VRP-1000  
VRP-1200  
DPS-12  
MicroVee™  
MiniVee®  
MiniVee® 10  
VX™ Series  
VX-10  
SMS™-1  
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FOR YOUR RECORDS. . .  
Date Puchased_________________________________________________________________  
Dealer_________________________________________________________________________  
Serial #________________________________________________________________________  
*NOTE: Please complete and return your warranty card within ten (10) days or  
Register. . . ON LINE . . . It’s faster . . . and easier  
LIMITED WARRANTY  
VELODYNE ACOUSTICS, Inc. (“VELODYNE”) warrants all electronics for a period of three years, drivers for a period  
of five years, and full range speakers for a period of five years. All VELODYNE products have a warranty from the  
date of purchase against defects in materials and workmanship subject to the following conditions:  
1. VELODYNE is not responsible for defects which result from the use of an amplifier or controller other than  
the one originally supplied with the unit (subwoofer) or defects which result from modifications or repairs  
made by any component of the system by anyone other than a VELODYNE factory authorized  
service representative.  
2. This warranty is void if any repairs or service covered by the terms of this warranty are made to any  
component of the system by anyone other than a VELODYNE factory authorized service representative.  
3. VELODYNE is not responsible for damage caused by accidents, abuse, misuse, natural or personal disaster  
or unauthorized modification. The VELODYNE products are not intended for professional or commercial use  
and VELODYNE is not responsible for damage resulting from such use.  
4. The VELODYNE product warranty is limited to units that are purchased from authorized VELODYNE dealers  
and finalized within authorized dealer locations.  
5. This warranty is nontransferable under any condition.  
TO OBTAIN SERVICE  
Information regarding service may be obtained from the dealer from whom you purchased the unit, or by contacting  
VELODYNE customer service. Warranty service must be performed by a VELODYNE factory authorized service  
representative within the warranty period set forth above. If VELODYNE determines the unit is defective, VELODYNE  
will, at VELODYNE’s option, repair or replace the product at no charge if the product is forwarded prepaid to a factory  
authorized service representative. Products forwarded to the factory authorized service representative should be  
shipped securely and properly packaged, insured and freight prepaid.  
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Velodyne Acoustics, Inc.  
345 Digital Drive  
Morgan Hill, CA 95037  
408.465.2800 voice  
408.779.9227 fax  
408.779.9208 service fax  
Service E-mail: [email protected]  
Product E-mail: [email protected]  
Technical E-mail: [email protected]  
63-DPS1012 Rev B JUN07  
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