Velodyne DPS 10-12 User Manual

DPS Series

DPS-10
DPS-12

USER’S

MANUAL

Audio/Video Subwoofer System

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.

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DPS User’s Manual

i

o

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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DPS User’s Manual

ii

Congratulations

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
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

. Please observe all

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DPS User’s Manual

1

Installation

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:

R&B — Rock: Provides the driving bass found in today’s rock music.

Jazz — Classical: The tightest, cleanest, lowest distortion bass.

Games: 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.

Maximum output and impact for explosions and
other action adventure movie content.

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DPS User’s Manual

2

The following table indicates musical style and which preset is recommended for it.

Musical Style Suggested Preset

Action Adventure Movies Movies
Alternative Rock Jazz — Classical
Blues Jazz — Classical
Broadway and Vocalists Jazz — Classical
Children’s Music Jazz — Classical
Christian and Gospel Jazz — Classical
Classic Rock R&B — Rock
Classical Jazz — Classical
Country — Rock R&B — Rock
Country — Soft Jazz — Classical
Dance and DJ R&B — Rock
Folk Jazz — Classical
Hard Rock and Metal R&B — Rock
Indie Music R&B — Rock
Latin Music R&B — Rock
Miscellaneous Jazz — Classical
Movies — Non-Action Adventure Jazz — Classical
New Age Jazz — Classical
Opera and Vocal Jazz — Classical
Pop R&B — Rock
R&B R&B — Rock
Rap and Hip-Hop R&B — Rock
Rock R&B — Rock
Soundtracks R&B — Rock or Jazz —

Classical

Video Games Games

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DPS User’s Manual

3

The following table shows the settings for various presets:

Subsonic

Filter EQ

Preset Frequency Frequency Level Differential

Movies 24 Hz 37 Hz +4 dB +8 dB

EQ Volume

R&B – Rock

Jazz – Classical 24 Hz N/A N/A N/A

(Reference)

Games 34 Hz 62 +4 dB +4 dB

RESTORE DEFAULTS – This feature allows you to restore default settings for your DPS
subwoofer
the unit’s power light will blink three times indicating that you have restored defaults.

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).

. By pressing the presets in EXACTLY the following order on the front panel display,

1. Movies

2. R&B – Rock

3. Jazz – Classical

4. Games

5. Games

6. Jazz – Classical

7. R&B – Rock

8. Movies

27 Hz 52 Hz +3 dB +5 dB

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 thr
six times, this means that the volume is set at 36. The volume range is from 1 to 99.

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ee times, pauses, then blinks

DPS User’s Manual

4

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 distor
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.

ted, and the Auto-On/Off feature

- If the center LED blinks for approximately five seconds, the auto-on/of
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

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.

. See VOLUME CONTROL section.

f feature is activated.

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DPS User’s Manual

5

Figure 2. DPS Rear Panel Connections

R ear 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
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
single cable into the “L” — LFE input.

. When the knob is turned all the way to the left, the Subwoofer Direct feature

. If using the LFE output from your receiver or processor, plug the

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DPS User’s Manual

6

(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 wir

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).

.

es.

R ear 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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DPS User’s Manual

7

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 wir

es.

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
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.

®

, DTS®, THX®) have a “subwoofer out” jack that performs

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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DPS User’s Manual

8

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
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.

, painted top. During normal conditions, the subwoofer may be left

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DPS User’s Manual

9

Troubleshooting 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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DPS User’s Manual

10

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/ 400 watts Dynamic/

185 watts RMS Power 200 watts RMS power

Frequency Response 28 Hz — 120 Hz (+/-3 dB) 25 Hz — 120 Hz (+/-3 dB)

Low-Pass Crossover 40 Hz — 120 Hz (12 dB/octave, 24 dB ultimate)

Inputs Line-level and speaker-level

Outputs Speaker-level

Magnet 40 oz. (2.5 lbs) 55 oz. (3.5 lbs)

Voice Coil 2” four-layer copper 2” four-layer copper

Warranty Three years (electronics - parts and labor),

Five years (drivers - parts and labor)

Cabinet (H/W/D) 16.25” x 14.5” x 17” 18.25” x 14.5”x 19”

(cm) 41.3 x 36.8 x 43.2 46.4 x 36.8 x 48.3

Shipping Weight
(approx.) 51 lbs. (23.2 Kg) 58 lbs. (26.4 Kg)

Specifications are subject to change without notice.

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DPS User’s Manual

11

Velodyne Products

120V

® ®

DD Series

DD-10
DD-12
DD-15
DD-18

Digital Drive 1812

Signatur

DLS™-R Series

DLS-3500R
DLS-3750R
DLS-4000R
DLS-5000R

DPS™ Series

e Edition

SPL™-R Series

SPL-800R
SPL-1000R
SPL-1200R
SPL-1500R

SubContrator™

Series

SC-1250

SC-8
SC-10
SC-12
SC-15
SC-IW

SC-IF/IC

230V

DD Series

DD-10
DD-12
DD-15
DD-18

Digital Drive 1812

Signatur

CHT

e Edition

-R Series

CHT-8R
CHT-10R
CHT-12R
CHT-15R

SMS™ -1

SPL-800i

SPL™-R Series

SPL-800R
SPL-1000R
SPL-1200R
SPL-1500R

SubContrator™

Series

SC-1250

SC-8

SC-10
DPS-10
DPS-12

MicroVee™

MiniVee

MiniVee 10

SMS™-1

®

®

VRP Series

VRP-1000
VRP-1200

VX™ Series

VX-10

SC-12

SC-15

SC-IW

SC-IF/IC

.

www.velodyne.com

DPS User’s Manual

12

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

www.velodyne.com

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 ser
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.

vice may be obtained from the dealer from whom you purchased the unit, or by contacting

.

www.velodyne.com

DPS User’s Manual

13

63-DPS1012 Rev B JUN07

.

www.velodyne.com

Velodyne Acoustics, Inc.

345 Digital Drive

Morgan Hill, CA 95037

408.465.2800 voice

408.779.9227 fax

408.779.9208 service fax

www.velodyne.com

Service E-mail: [email protected]

Product E-mail: [email protected]

echnical E-mail: [email protected]

T

DPS User’s Manual

14