Velodyne Acoustics Dsp Controlled Subwoofers Vdr 12 Users Manual Series Manual_Rev A

VDR-12 to the manual 042e3dc9-d81b-421f-b807-b9adad28eceb

2015-02-02

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VDR-10

Series

VDR-12

USER’S
MANUAL

DSP-Controlled Subwoofers

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VDR Series User’s Manual

Ta b l e o f C o n t e n t s
Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Rear Panel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Rear Panel Connections - Detailed Explanations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Interconnect Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Care of Your Subwoofer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Protection Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Troubleshooting and Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Velodyne Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

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VDR Series User’s Manual

Congratulations!
Congratulations on your purchase of a Velodyne VDR subwoofer system. This system
represents the state-of-the-art in home audio reproduction and will provide you with years of
listening pleasure when properly cared for. Read and follow this instruction manual to insure
safe and proper system connection and operation.
Caution!
Please observe the following instructions to insure safe and proper system operation.
Note: Do not leave unit in direct sunlight or use in high humidity environments!!!
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. This unit is heavy. Use caution when lifting or moving to
avoid injury. Please save the carton and all packaging materials for future use. Packing this
unit in any other carton may result in severe damage when shipping. Record the serial number
in the space provided on page 14 for future reference.
Product Features
• DSP-controlled
• Remote control
• 4 selectable presets for customized listening mode
• Night-mode setting
• Mute control
• Built-in 200 watt (RMS) power amplifier
• Adjustable (60 to 150 Hz) low-pass crossover with Subwoofer Direct setting
• Speaker-level inputs and outputs
• 80 or 100 Hz high-pass crossover
• Line-level inputs and outputs
• Signal sensing auto turn on/off with bypass option
• Variable volume control
• Selectable phase control (0, 90, 180, or 270 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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VDR Series User’s Manual

Placement
The first step in installing your new VDR is to determine where it will be placed in the room.
Unpack the system carefully and use the following guidelines in order to find the best
room placement option.
True subwoofers operate at extremely low frequencies which are primarily omni-directional.
Keep in mind that frequency response and output level can be drastically influenced by
placement, depending on the acoustic properties of the listening room. To obtain optimum
output from your subwoofer, place it within a foot of a corner. This location will offer the greatest
output levels and optimum low frequency extension. If at all possible, your subwoofer should be
placed along a wall. The worst location for a subwoofer is typically far away from any walls and
close to the center of your room. 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.
Depending on the size and type of furnishings in the room, perfect placement may not be
possible. Finding the best location within your environment will likely require some
experimentation. We suggest you experiment with the location during setup to find what sounds
best to you when seated in your typical listening position.
Regardless of where you install your Velodyne subwoofer, it must remain in an upright position
(woofer facing forward). Using, shipping or storing the subwoofer in any other position for an
extended period of time may result in damage to the unit not covered by warranty.

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.

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VDR Series User’s Manual

I n s ta l l a t i o n
Your new subwoofer is equipped with speaker-level and line-level inputs. Use the LINE LEVEL
jacks when connecting your subwoofer to a pre-amp, signal processor (such as LFE out),
line-level crossover, or receiver with pre-amp level outputs. When using the line level jacks,
some receivers may not provide enough signal to have the unit’s auto-on feature operate
properly. Additionally, this lack of signal may also cause the subwoofer to produce less output
than it is capable of.

Figure 1. VDR Rear Panel Connections

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VDR Series User’s Manual

R e a r Pa n e l C o n n e c t i o n s
Figure 1 shows the connections on the rear panel of the VDR.
Following are brief descriptions of the connections described in Figure 1. 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 (counter-clockwise), the
Subwoofer Direct feature is invoked and the subwoofer plays all frequencies up to 200 Hz.
(2) 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 blinking stops, the unit will blink out the actual volume number. Slower
blinks represent tens, and faster blinks represent ones. So, for example, if the volume were
set at 34, after the rapid blinking stopped you would observe three slow blinks followed by
four faster blinks, indicating a volume of 34.
Note: Volume is also controllable by using the supplied remote, when defaults are restored.
The default is 30 out of 100.
(3) AUTO ON/OFF Switch
Use this switch to select between auto-on (active) and constant on (inactive) operation.
(4) LINE OUTPUT
Connect these jacks to the LINE IN of the power amp or receiver input to use the VDR
internal high pass crossover. See below for a more detailed explanation of this crossover.
(5) LINE INPUT/LFE Input
Connect these jacks to the LINE OUT preamp output, LFE output, or subwoofer output jacks
of your receiver/processor. If using the LFE output from your receiver or processor, plug the
single cable into the “L” – LFE input or, for more signal, use a “Y” connector (not included)
and feed the signal into both “R” and “L” inputs.
(6) HIGH PASS CROSSOVER Switch
This switch selects the frequency for the high pass crossover. This crossover is functional
on both line and speaker-level outputs. Smaller speakers with limited low frequency output
may perform better using the higher 100 Hz setting that will reduce the low frequencies sent
to them. Larger speakers with greater low frequency output may be able to handle the 80
Hz setting without strain.

(7) 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

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VDR Series User’s Manual

(8) SPEAKER LEVEL OUTPUT Terminals
Sends a crossed-over speaker-level signal to the front speakers. See below for a more
detailed explanation of this crossover.

R e a r Pa n e l C o n n e c t i o n s - D e ta i l e d E x p l a n a t i o n s
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.
Note:
Do not use both the RCA/Phono “INPUT” connections and “SPEAKER LEVEL INPUT”
connections simultaneously.

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 60 to 150 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. See below for a more detailed explanation of this feature.

Speaker Level Output/Line Level Output
When connected in this fashion, your satellite speakers will be crossed over at 80 Hz. 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.

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).

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VDR Series User’s Manual

A W o r d A b o u t Yo u r R e c e i v e r ’ s C r o s s o v e r a n d t h e
VDR Crossover
Your Velodyne VDR 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:
When 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 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.
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.

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VDR Series User’s Manual

Usage
This section addresses usage of your VDR subwoofer.

Remote Control
The features of the VDR remote control are listed below.
• POWER - This button forces your VDR unit into standby mode.
The woofer will not play and the LED will turn off. The unit will
remain in this mode until the POWER button is pressed again.
To fully deactivate (i.e. power down) the unit, turn off the power
switch on the back panel.
• MUTE - This button mutes the subwoofer. The light on the
subwoofer will blink slowly if the unit is muted. To unmute the
subwoofer, press the MUTE button again.
• PHASE - These buttons allow you to optimize the subwoofer
performance for the location and your listening position. Select
the switch position at which you hear the most bass. The light
will blink according to the following schedule:
Figure 2: VDR Remote.

0 degrees
90 degrees
180 degrees
270 degrees

1
2
3
4

blink
blinks
blinks
blinks

• LIGHT - If you wish, you can deactivate the blue front panel light on your VDR unit. To do this,
press the LIGHT button on your remote. The light will turn off. To reactivate the light, press
the LIGHT button again.
• NIGHT - Night mode limits the maximum output of the subwoofer for later night listening or
to be more considerate of close neighbors. Press the night button to turn the night mode
feature on or off. Night mode, when active, is indicated by the reduced intensity of the light.
• 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 blinking stops. the unit will blink out the actual volume
number. Slower blinks represent tens, and faster blinks represent ones. So, for example, if
the volume were set at 34, after the rapid blinking stopped you would observe three slow
blinks followed by four faster blinks, indicating a volume of 34.
Note: The volume can also be adjusted via the buttons on the back panel of the subwoofer.
These buttons have the same effect as pressing the up and down volume buttons on
your remote. The unit comes preset from the factory with the volume set at 30% of
maximum setting.

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VDR Series User’s Manual

• PRESETS — There are four listening presets, consisting of Movies, R&B – Rock,
Jazz – Classical, and Games. 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:

Provides the driving bass found in today’s rock music.

Jazz – Classical: The tightest, cleanest, lowest distortion bass. The flattest frequency
response of the four presets.
Games:

Maximum loudness available for the impact of video games.

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VDR Series User’s Manual

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

MUSICAL STYLE

SUGGESTED PRESET

Action Adventure Movies

Movies

Country – Rock

R&B – Rock

Country – Soft

Jazz – Classical

Folk

Jazz – Classical

Indie Music

R&B – Rock

Pop

R&B – Rock

Rock

R&B – Rock

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

Dance and DJ

R&B – Rock

Hard Rock and Metal

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

R&B

R&B – Rock

Rap and Hip-Hop

R&B – Rock

Soundtracks

R&B – Rock or Jazz – Classical

Video Games

Games

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VDR Series User’s Manual

Each preset has its own characteristics with respect to subsonic filter, volume differential and
a single equalizer (EQ) in order to optimize the listening mode for the preset.
The following table shows the settings for the various presets:

Preset

Subsonic
Filter
Frequency

EQ
Frequency

EQ
Level

Volume
Differential

Movies

25 Hz

35 Hz

+5 dB

R&B - Rock

28 Hz

55 Hz

+1 dB

Jazz - Classical
(Reference)

15 Hz

N/A

Games

34 Hz

+4 dB

Restore Defaults
There is a feature that allows you to restore default settings for your VDR subwoofer. By
pressing presets in EXACTLY the following order on the remote, the unit’s power light will blink
indicating that you have restored defaults.
1.
2.
3.
4.
5.
6.
7.
8.

Movies
R&B - Rock
Jazz - Classical
Games
Games
Jazz - Classical
R&B - Rock
Movies

When you press the presets in the above order, the power light will blink three times indicating
that you have restored defaults. The unit’s volume is reset to level 30 out of 100. Be sure to
check the status of the Auto On/Off function after restoring defaults.

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VDR Series User’s Manual

C a r e o f Yo u r S u b w o o f e r
Your Velodyne subwoofer does not require any regular maintenance. Normal dusting or cleaning
of the surface for appearance purposes is all that is required. We suggest you avoid any harsh
detergents or chemicals when cleaning the cabinet. Abrasives, detergents, or cleaning
solutions may damage the finish on the cabinet. We recommend using only a damp cloth to
clean the cabinet.
During normal conditions, your new subwoofer may be left on continuously without any
problems. Using the Auto on/off function, the unit will automatically turn on the unit when a
signal is present at the inputs and turn off after several minutes when there is no longer any
signal at the inputs.

Protection Circuitry

Your new subwoofer is equipped with circuitry to provide maximum performance with
greatest reliability.
The unit is protected against:
1) Overheating the amplifier.
2) Excessive drop in power line voltage.
If either of the above should happen, you should reduce the volume setting or shut the unit off
until normal operating conditions return. You may also want to plug the unit into a different wall
outlet, as dropping power line voltage will be most noticeable under strenuous conditions and
may result in the unit shutting down intermittently.

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.
Verify that the unit is plugged in and power outlet used is active.
Is the power switch on?
Is the unit receiving an input signal from your source?
Have all controls (volume, crossover, phase, etc.) been properly set?
If the unit has been running at high levels, one of the protection circuits may be engaged.
Has the amplifier overheated?
6. Has the power button been depressed on the remote?
7. Make sure binding posts are tightened.
8. Is the remote non-responsive? We recommend replacing the batteries in the remote.
1.
2.
3.
4.
5.

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

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Thank You for Purchasing a Velodyne!
VDR Series User’s Manual

Specifications

SPECIFICATIONS

VDR-10

VDR-12

Woofer

10” (24.5 cm) forward firing
(8.2” piston diameter)
with vented pole piece

12” (30.5 cm) forward firing
(9.7” piston diameter)
with vented pole piece

Amplifier:
Class D

200 watts Dynamic/
400 watts RMS Power

Cabinet Design

Slot-loaded
Bass-reflex

Frequency Response

28 -120 Hz
(+/-3 dB)

25 - 120 Hz
(+/-3 dB)

Voice Coil

2” 4-layer copper

Cone

Reinforced Fiber

Magnet Structure

40 oz. (2.5 lbs)

56 oz. (3.5 lbs)

High-Pass Crossover

80 or 100 Hz (6 dB/octave slope)

Low-Pass Crossover

60 - 150 Hz
(12 dB octave, 24 dB ultimate)

Outputs

Line-level and Speaker-level

Inputs

Gold plated Line-level and
Speaker-level

Phase

0°, 90°, 180°, 270°

Auto On/Off

Yes

Removable Grill

Yes

Video Shielding

Yes

LED Power Indicator

Yes

Input Impedance

65K ohm (for LINE INPUT jacks)
1.2K ohm (for SPEAKER LEVEL INPUT terminals)

Sensitivity
Speaker-Level
Line

1.0V
100 mV

Power Supply

120V, 60 Hz AC

Cabinet (H,W,D)
(cm) with grille

15.9” x 15” x 16.8”
40.4 x 38 x 42.7

18” x 15” x 18”
45.7 x 38 x 45.7

Warranty (parts/labor)

Three years (electronics - parts and labor)
Five years (drivers - parts and labor)

Shipping Weight (approx.)

54 lbs. (24.5 Kgs)

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60 lbs. (27.3 Kgs)

Specifications are subject to change without notice.

VDR Series User’s Manual

Velodyne Products

115 - 120V
DD ® Series
DD-10
DD-12
DD-15
DD-18
Digital Drive 1812
Signature Edition
DEQ-R Series
DEQ-8R
DEQ-10R
DEQ-12R
DEQ-15R
DLS™-R Series
DLS -3500R
DLS -3750R
DLS -4000R
DLS -5000R
Impact Series
Impact - Mini
Impact -10
Impact -12
MicroVee™

Optimum Series
Optimum-8
Optimum-10
Optimum-12
SMS™-1
SubContractor™
Series
SC-1250
SC-10
SC-12
SC-15
SC-IW
SC-IF/IC
SC-600 Amp
SC-600 IW
SC-600 IF/IC
VDR Series
VDR-10
VDR-12

220 - 240V
DD ® Series
DD-10
DD-12
DD-15
DD-18
Digital Drive 1812
Signature Edition
CHT-Q Series
CHT-8Q
CHT-10Q
CHT-12Q
CHT-15Q

SPLi Series
SPL-800i
SPL-1000i
SPL-Ultra Series
SPL-800 Ultra
SPL-1000 Ultra
SPL-1200 Ultra

MicroVee™

SubContractor™
Series
SC-1250
SC-10
SC-12
SC-15
SC-IW
SC-IF/IC
SC-600 Amp
SC-600 IW
SC-600 IF/IC

SMS™ -1

VX-10 Series II

Impact Series
Impact - Mini
Impact -10
Impact -12

VMS-8
VX Series
®
VX-10

MiniVee®
®
MiniVee 10

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VDR Series User’s Manual

FOR YOUR RECORDS. . .
Date Purchased_________________________________________________________________
Dealer_________________________________________________________________________
Serial #________________________________________________________________________

*NOTE: Please complete and return your warranty card within ten (10) days or

Register. . . ON LINE . . . It’s faster . . . and easier
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LIMITED WARRANTY - U.S. AND CANADA ONLY
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.

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.

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.

The VELODYNE product warranty is limited to units that are purchased from authorized VELODYNE dealers
and finalized within authorized dealer locations.

This warranty is nontransferable under any condition.

Use of this product outside the U.S. and Canada voids this warranty.
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.
WARRANTY OUTSIDE THE UNITED STATES AND CANADA
The Warranty of this product if it is sold to a consumer outside of the United States or Canada shall comply with
applicable law and shall be the sole responsibility of the distributor that supplied this product. To obtain any applicable
warranty service, please contact the dealer from which you purchased this product, or the distributor that supplied
this product.

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VDR Series User’s Manual

Velodyne Acoustics, Inc.
345 Digital Drive
Morgan Hill, CA 95037
408.465.2800 voice
408.779.9227 fax
408.779.9208 service fax
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63-VDR Rev A MAY09

www.velodyne.com

VDR Series User’s Manual

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Velodyne Acoustics Dsp Controlled Subwoofers Vdr 12 Users Manual Series Manual_Rev A

VDR-12 to the manual 042e3dc9-d81b-421f-b807-b9adad28eceb

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