Velodyne Acoustics Speaker VRP Series User Manual

VRP Series  
VRP-1000  
VRP-1200  
U S E R ’ S  
M A N U A L  
Home Theater Subwoofer  
 
Table of Contents  
Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1  
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2  
Rear Panel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5  
Crossovers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6  
Interconnect Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9  
Care of Your Subwoofer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9  
Protection Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9  
Troubleshooting and Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10  
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11  
Other Velodyne Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12  
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Congr atulations  
Congratulations on your purchase of a Velodyne Rear Port (VRP™) 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. Remove all staples used to seal the carton as they can scratch the cabinet. 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 13 for future reference.  
Product Features  
• A single driver consisting of either:  
- 10” (8.2” piston diameter) subwoofer with 2.0” high-temp voice coil  
and 40 ounce motor structure or,  
- 12” (9.7” piston diameter) subwoofer with 2.0” high-temp voice coil  
and 40 ounce motor structure  
• Adjustable (50 to 200 Hz) low-pass crossover with a 12 dB/octave slope  
• Line-level (RCA) inputs  
• Speaker-level inputs and outputs with spring loaded terminals  
• Signal sensing auto turn on/off  
• Variable volume control  
• Selectable phase control (0° or 180°)  
• Green power on/ Red power standby mode indicator LED  
Prepare for Installation  
Your new Velodyne subwoofer 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  
to prevent possible damage.  
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Placement  
True subwoofers operate at extremely low frequencies that 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. Typically, the optimum location for  
a subwoofer is tucked away in a 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, 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 by the satellite of the same channel.  
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., or 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.  
Regardless of where you install your Velodyne subwoofer, it must remain in an upright position  
(woofer facing forward). Using, shipping, or otherwise storing the subwoofer in any other  
position for an extended period of time may result in damage to the unit not covered  
by warranty.  
Your VRP subwoofer is magnetically shielded to reduce the amount of stray magnetic energy  
emitted from the speaker’s motor structure. This greatly increases flexibility when placing the  
unit close to video monitors, as there is very little stray magnetism. Certain types of televisions  
are particularly sensitive to stray magnetic fields. If your television produces distorted colors  
after installing your subwoofer, simply increase the distance between your television and the  
subwoofer until normal color and operation is returned.  
Your new Velodyne subwoofer, like any good speaker system, requires proper positioning within  
the listening space to provide maximum performance. Improperly placed speakers may degrade  
the sound quality and reduce your listening pleasure. Depending on the size and type of  
furnishings in the room, perfect placement may not be possible. Finding the best location for  
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.  
Ins tallation  
Inputs  
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.  
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To alleviate this condition, we recommend the following steps:  
1)  
If using line level jacks, BOTH THE LEFT AND RIGHT INPUT SHOULD ALWAYS BE USED  
– never use just the left or just the right input. If the subwoofer’s input comes from the  
LFE channel of your receiver, use the included “Y” splitter to divide the single input into  
two inputs for the Left and Right subwoofer inputs. If using line level connections from  
a preamp or signal processor, use both Left and Right inputs from your preprocessor or  
preamp and connect them to the Left and Right inputs on your subwoofer.  
2)  
If using a receiver with LFE out, be sure the LFE channel is sending adequate signal to  
the subwoofer. We recommend setting the subwoofer’s level to the 9 o’clock position  
(the 1/4 volume setting) and then adjust the LFE channel on your receiver or processor  
to achieve the desired bass output. See your receiver or processor’s owner’s manual for  
more information.  
The SPEAKER LEVEL jacks connect directly to the speaker outputs of any amplifier, integrated  
amplifier, or receiver. Your amplifier section will notice no additional loading effects when you  
use these inputs due to their very high impedance. If using the SPEAKER LEVEL inputs, you  
DO want to connect both channels, since different bass information might be present in each  
channel going to your main speakers.  
IMPORTANT!!!  
Do not use both LINE LEVEL and SPEAKER LEVEL connections simultaneously!  
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 all connections are tight, and that there are no loose strands or frayed wires.  
Volume Control  
This control allows you to balance the output from the subwoofer to the main  
speakers/amplifier in your system. This control should be set to achieve similar output levels  
from both the main speakers and subwoofer when listening to music. A good starting point for  
the volume control is two or three graduations from minimum.  
Low-pass Crossover - 50 to 200 Hz  
As noted above, all inputs sum the left and right channels together, with the resulting signal  
passing 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 50 to 200 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.  
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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/amplifier. To adjust, simply listen to the system with music playing, then depress the  
phase 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.  
For all installations, experiment with the phase switch to determine the setting (0 or 180  
degrees) that produces the most bass. If the settings sound similar, we recommend the  
“0” position.  
Auto Turn on Function  
The subwoofer will turn itself on automatically when an audio signal is present. If no signal is  
present for approximately eight minutes, the unit will switch to standby mode (Red LED). While  
in standby mode, your subwoofer will draw very minimal power.  
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Rear Panel Connections  
Figure 1.VRP Rear Panel Connections  
Figure 1 shows the connections on the rear panel of the VRP. Following are brief descriptions  
of the connections described in Figure 1. More detail of these connections can be found below:  
(1)  
(2)  
SPEAKER LEVEL INPUT terminals - Connect these input terminals to the speaker  
output terminals of your amplifier or receiver.  
SPEAKER LEVEL OUTPUT terminals - The speaker-level signal to the front speakers  
is output from these terminals.  
(3)  
(4)  
LINE INPUT jacks - Connect these jacks to the LINE OUT jacks of the amplifier.  
LOW-PASS CROSSOVER - Use this knob to select the high-frequency range at which  
you wish to cut-off the signal to the subwoofer.  
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(5)  
Power indicator - Red: Unit is in standby mode. Green: Unit is in operation mode.  
(automatically turns to STANDBY mode if no signal for eight minutes)  
(6)  
(7)  
PHASE switch - Select the switch position at which you hear a louder bass sound.  
VOLUME LEVEL knob - Use this knob to adjust the output level of the subwoofer.  
Crossov ers  
Receiver/Processor Subwoofer Outputs  
The Velodyne subwoofer is designed to operate using the full range audio signal for input when  
using the built-in crossover. Many home theater processors/receivers (Dolby Digital™, DTS™,  
THX™) have a “subwoofer out” jack (sometimes labeled “LFE”) that is internally filtered, settable  
at the receiver/processor, and designed to be used with a powered subwoofer. In some  
installations, it may be beneficial to use BOTH the Velodyne crossover and the  
receiver/processor crossover, resulting in a steeper ultimate crossover slope. In some rare  
cases, combining both an external crossover and the one internal to the subwoofer may result  
in low output and increased noise. In these installations you may need to bypass the crossover  
in either the processor or your VRP subwoofer, or simply setting one crossover to a higher  
frequency (such as 120 Hz) will restore maximum performance.  
(Refer to Figure 2a Line-Level Subwoofer Connection Diagram and Figure 2b Speaker-Level  
Subwoofer Connection Diagram, pages 7 and 8 for connection diagrams.)  
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Figure 2a. Line-Level Subwoofer Connection Diagram  
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RIGHT FRONT SPEAKER, LEFT FRONT SPEAKER  
Figure 2b. Speaker-Level Subwoofer Connection Diagram  
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Interconnect Cables  
When installing your new Velodyne subwoofer using the line level connections, you should  
always use shielded phono cables. There are many high quality cables available today. It is  
recommended that you keep the length of cable as short as possible to avoid any potential  
noise problems.  
When using speaker level connections, use a high quality speaker cable that mates well with  
the connectors. Be very careful to avoid any loose strands or frayed wires that may result in a  
short, which may damage your equipment. 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.  
Care of Your Subwoofer  
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. The unit is equipped with a signal-sensing turn on/off that will automatically turn on  
the unit when a signal is present at the inputs and turn off the unit 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.  
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T roubleshooting and Service  
If you should experience a problem with the operation of your subwoofer, please check all of the  
following before seeking service. Following is a simple troubleshooting guide to assist you.  
1. Verify that the unit is plugged in, the power outlet is active, and is supplying  
proper voltage.  
2. Is unit receiving an input signal from your source?  
3. Have all controls on subwoofer (volume, crossover, phase, etc.) been properly set?  
4. If unit has been running at high levels for an extended period of time, one of the  
protection circuits may be engaged.  
• Is the built-in amplifier extremely hot to the touch?  
• Is your power line voltage sagging, such as when there are other devices on the  
same circuit drawing lots of power?  
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 cabinet or circuitry is physically damaged.  
Thank You for Purchasing a Velodyne!  
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Specifications  
SPECIFICATIONS  
VRP-1000  
VRP-1200  
Woofer  
10” (24.5 cm)  
12” (30.5 cm)  
forward firing  
foward firing  
(8.2” piston diameter)  
(9.7” piston diameter)  
Amplifier: Monolithic MOS  
Class A/B  
170 watts Dynamic/  
115 watts RMS Power  
195 watts Dynamic/  
130 watts RMS Power  
Cabinet Design  
Acoustically neutral,  
rear ported  
Acoustically neutral,  
rear ported  
Frequency Response  
35 -140 Hz  
(+/-3 dB)  
29 - 140 Hz  
(+/-3 dB)  
Voice Coil  
Cone  
2” copper-wound  
Coated Fiber  
Full Range  
2” copper-wound  
Coated Fiber  
Full Range  
Speaker-Level  
Pass-Through  
Low-Pass Crossover  
Outputs  
50 - 200 Hz  
50 - 200 Hz  
Left and right speaker  
level pass-through  
Left and right speaker  
level pass-through  
Inputs  
RCA Line Level, LFE and  
Speaker Level inputs  
RCA Line Level, LFE and  
Speaker Level inputs  
Phase  
0° or 180°  
Yes  
0° or 180°  
Yes  
Auto On/Off  
Removable Grill  
Video Shielding  
LED Power Indicator  
Input Impedance  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
65K ohm  
(for LINE INPUT jacks)  
1.2K ohm  
(for SPEAKER LEVEL INPUT terminals)  
Sensitivity Speaker-Level  
Line  
1.0V  
100 mV  
1.0V  
100 mV  
Power Supply  
120V, 60 Hz AC  
75 watts  
120V, 60 Hz AC  
75 watts  
Power Consumption  
Cabinet (H,W,D)  
(cm) with grill  
15” x 12.1” x 16.1”  
38 x 31 x 41  
16.5” x 14.5” x 18.75”  
42 x 37 x 48  
Weight (approx.)  
37 lbs. (17 Kg)  
44 lbs. (20 Kg)  
Specifications are subject to change without notice.  
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Other Velodyne Products:  
110V  
230V  
DD™ Series  
DD-10  
MiniVee™  
SMS™-1  
DD™ Series  
DD-10  
SMS-1  
SPL-800i  
DD-12  
DD-12  
DD-15  
DD-15  
DD-18  
Digital Drive 1812  
Signature Edition  
SPL™-R Series  
SPL-800R  
DD-18  
Digital Drive 1812  
Signature Edition  
SPL™-R Series  
SPL-800R  
SPL-1000R  
SPL-1200R  
SPL-1500R  
SPL-1000R  
SPL-1200R  
SPL-1500R  
DLS™-R Series  
DLS-3500R  
DLS-3750R  
DLS-4000R  
DLS-5000R  
CHT-R Series  
CHT-8R  
SubContrator™  
Series  
CHT-10R  
CHT-12R  
CHT-15R  
SubContrator™  
Series  
SC-1250  
SC-8  
SC-1250  
SC-8  
SC-10  
SC-12  
SC-15  
SC-IW  
SC-IF  
DPS™ Series  
DPS-10  
SC-10  
SC-12  
SC-15  
SC-IW  
SC-IF  
DPS-12  
SC-IC  
SC-IC  
VX™ Series  
VX-10  
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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 and powered subwoofers for a period of two  
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-VRP1012 Rev B JUL06  
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