Boston Acoustics Speaker HPS 8Wi User Manual

HPS 8Wi  
Boston Horizon Wireless Subwoofer  
 
Specifications  
Frequency Range:  
HPS 8Wi  
Transmitter  
35 Hz – 150 Hz  
150 watts RMS  
8(203mm) DCD™  
50 -150 Hz  
Amplifier Power:  
Bass Driver:  
Crossover Frequency  
Tranceiver Frequency  
Number of Tranceiver Codes  
Dimensions: (H x W x D)  
2.4 gHz  
4
1538 x 1538 x 1134”  
134 x 558 x 4cabinet only; 334high with antenna)  
(391 x 391 x 299mm)  
(45 x 143 x 103mm cabinet only; 96mm high with antenna)  
Weight:  
2512 lbs  
(11.6kg)  
1 oz.  
(30 gr.)  
Introduction  
Boston Acoustics Horizon Subwoofers  
Thank you for choosing Boston Acoustics. The HPS 8Wi Horizon wireless subwoofer incorporates high-quality components  
that produce the famous Boston sound. It is ideally suited for use in a high-quality 5.1 channel home theater or stereo music  
system. The HPS 8Wi is capable of impressive deep bass and high output from a remarkably compact enclosure. In addition, it  
features BassTrac®, a proprietary Boston-designed circuit that tracks the input signal to the subwoofer and prevents its ampli-  
fier from being driven into audible distortion. The benefit: the bass stays clean and strong at any listening level.  
The HPS 8Wi also provides a wireless audio signal connection. This minimizes the number of cables in the system and allows  
for easy placement anywhere in the room. You just need to plug it into an AC outlet.  
The HPS 8Wi is designed to literally sound as good as it looks. With its elegant profile and the soft smooth surfaces of its  
cabinet, it complements the décor of any room and offers no-compromise audio excellence.  
Features  
8woofer  
150 watts RMS  
Wireless audio connection to the subwoofer  
High-output front firing, rear ported design  
Deep Channel® Design (DCD) woofers for more bass from less amplifier power  
BassTrac® circuitry for tight, distortion-free bass at all output levels  
Adjustable polarity and gain control  
Removable foot  
Ultra-rigid reinforced cabinetry  
Soft-touch finish with color coordinated rubber trim  
3
 
Unpacking  
Carefully unpack the subwoofer and transmitter. If there is any sign of damage from transit, report it immediately to your  
dealer and/or delivery service. Keep the shipping carton and packing materials for future use. Be sure to keep your purchase  
receipt in a safe place, as it may be required for warranty purposes.  
Placement Options  
Place the subwoofer next to a wall or in a corner near your main speakers. The sound is typically best when the subwoofer is  
within 15 feet (4.5m) of the main speakers. The sharp 24dB/octave crossover roll-off permits placement farther from the main  
speakers if necessary. Since the ear is unable to localize the low frequencies of the subwoofer, the bass still appears to come  
from the main speakers. Experimentation is key, however most positions in the room will work well.  
The level of bass output from the subwoofer will vary at different positions in a room. When placed near walls, its loudness is  
emphasized. Corner placement provides the most bass output. Placement completely away from walls may produce too little  
bass. Regardless of the natural bass level within the room you will always have the ability to adjust the level of the subwoofer  
from the built in volume control. If at any time you move the subwoofer be sure to check all of your settings.  
The foot on the bottom of the subwoofer can be removed to produce a slight backward tilt. Remove the thumbscrew from  
the back of the foot to remove it. The screw is slotted for easy removal with a screwdriver or a coin.  
IMPORTANT: Do not place the subwoofer where there is a chance of contact between the rear panel and drapes or furniture.  
Position subwoofer  
in corner for maximum  
NDB  
Y
POWER/STA  
bass output  
INPU  
T
S
E
I
T
L
E
C
/
EX  
V
O
LUME  
U
P
LE  
FT/  
-
R
IGHT/  
+
DOWN  
MENU/  
ENTER  
4
 
Connections  
After the subwoofer is placed you can make the audio and power connections. The wirelss transmitter lets you deliver the  
audio signal to the subwoofer with a minimum amount of cable. However audio signal cables can also be connected directly  
to the subwoofer if you prefer.  
NOTE: Power is always supplied to the subwoofer electronics unless it is unplugged or switched to the off position using the  
power switch located on the rear panel. The auto-on circuitry only activates or deactivates the power amplifier. Make sure  
your subwoofer and receiver are unplugged when making the connection.  
Subwoofer Power: When plugging your subwoofer in be sure to use a wall outlet, or dedicated electrical outlet. Some  
receivers will provide a switched outlet. Do not use this. These on board electrical outlets do not offer the amount of current  
or proper isolation required by a power amplifier, such as the one in your amplifier.  
Transmitter Power: Plug the transmitter power supply into a power outlet. The transmitter power supply requires very little  
power so you can plug it into an auxiliary power outlet on the receiver. Plug the connector on the power supply cable into  
the transmitter power input labeled “5V DC”.  
Line level or LFE: On most systems use the line level in or the LFE input. These inputs accept the line-level signal from your  
receiver’s subwoofer output. Your receiver’s manual should indicate which input is most appropriate.  
Connecting the Subwoofer to Digital Home Theater Systems Using LFE  
Digital 5.1, 6.1 and 7.1 home theater electronics dedicate one channel (the.1”) to reproduce the special low-frequency (LFE)  
information (such as explosions and thunder) contained in digitally-encoded soundtracks.  
Select ”subwoofer-yesfrom your receiver’s set-up menu. Hooked up this way, the receiver’s amplifier is relieved of having to  
reproduce the difficult low bass signals that can drive the receiver into audible distortion. In some cases it can also depend on  
several other settings within a receiver. We recommend consulting your receiver manual for further assistance in this area.  
Use an RCA cable (not included), as shown, to connect your digital receiver’s LFE subwoofer output to the AUX input of the  
transmitter or the LFE input on the subwoofer.  
HPS 8Wi  
LINE LEVEL  
LFE  
GREEN = ON  
RED = STANDBY  
CROSSOVER (Hz)  
VOLUME  
POLARITY  
180°  
L
ON  
ID CODE  
INPUT  
A
U
T
ANT.  
R
1
2
3
4
DC 5V  
O
AUX  
R
L
40  
180  
MIN  
MAX  
MUTE  
0°  
digital receiver  
HPS 8wi Transmitter  
Connecting the Subwoofer to Stereo or Dolby® Pro Logic®  
For stereo or Dolby Pro Logic systems use thesub outconnection from your receiver to the “Left” or “Right” inputs on the  
transmitter or the subwoofer.  
HPS 8Wi  
LINE LEVEL  
LFE  
GREEN = ON  
RED = STANDBY  
CROSSOVER (Hz)  
VOLUME  
POLARITY  
180°  
L
ON  
ID CODE  
INPUT  
A
U
T
ANT.  
R
1
2
3
4
DC 5V  
O
AUX  
R
L
40  
180  
MIN  
MAX  
MUTE  
0°  
receiver  
HPS 8wi Transmitter  
5
 
Connecting to Electronics Without a Subwoofer Output  
If the electronic in your system does not have a subwoofer of LFE output you can connect the HPS 8Wi to a preamp output.  
Use a stereo RCA cable (not included) to connect the preamp outputs to the Left and Right inputs of the transmitter or the  
subwoofer.  
HPS 8Wi  
LINE LEVEL  
LFE  
GREEN = ON  
RED = STANDBY  
CROSSOVER (Hz)  
VOLUME  
POLARITY  
180°  
L
Preamp Out  
ON  
ID CODE  
INPUT  
A
U
T
ANT.  
R
1
2
3
4
DC 5V  
O
AUX  
R
L
40  
180  
MIN  
MAX  
MUTE  
0°  
HPS 8wi Transmitter  
receiver  
Adjusting the Crossover Control  
When using the Line Level inputs (not the LFE input) the subwoofer’s built-in crossover is engaged. As a starting point, set the  
crossover control on the subwoofer about 10Hz higher than the lower limit of your main speakers’ bass response. Fine-tune  
the crossover setting by ear for the smoothest blend with your main speakers. The best setting of the crossover control will  
depend on speaker placement and personal preference  
Wireless ID Switches  
Both the Subwoofer and Transmitter have Wireless ID switches. The various switch settings change frequency of the wireless  
signal the Transmitter sends to the Subwoofer. The two switches must be set to the same position. Typically you’ll never need  
to adjust these switches. They are included so that, if you have more than one HPS 8Wi in your house you can use different  
Wireless ID switch settings so the subwoofers won’t interfere with each other.  
Operation  
Power On/Auto/Standby  
Plug the subwoofer’s AC cord into a wall outlet. Do not use the outlets on the back of the receiver. Set the Power switch on  
the subwoofer to the desired setting.  
OFF – The subwoofer is off and will not produce any sound. You may want to turn your subwoofer off if you will not be using  
it for some time or wish to conserve electricity.  
AUTO – The subwoofer will power on whenever a signal is detected. If no signal is detected after several minutes, it will auto-  
matically enter the Standby mode.  
ON – The subwoofer is always on.  
An LED indicator between the Power switch and the Polarity switch indicates what mode the subwoofer is in.  
OFF – The subwoofer is off  
RED – STANDBY (No signal detected, Amp O)  
GREEN – ON (Signal detected, Amp On)  
The subwoofer will automatically enter the Standby mode after several minutes when no signal is detected from your system.  
The subwoofer will then power ON instantly when a signal is detected.  
Volume Control  
Turn the subwoofer Volume control to the 11 o’clock position. If no sound emanates from the subwoofer, check the AC-line  
cord, Power switch, and input cables. (Are the connectors on the cables making proper contact? Is the AC-line cord connect-  
ed to a “livereceptacle, is the subwoofer in either the Auto or On position?)  
Adjust the subwoofer Volume control until you hear a match between the main speaker and subwoofer. Bass response should  
not overpower the room but rather be adjusted so there is a natural blend across the entire musical range.  
6
 
Polarity Control  
(0° or 180°): Selects regular (0°) or inverted (180°) phase for the subwoofer. Set this switch to provide the fullest, most dy-  
namic bass. The effect of phase will be most audible on low-frequency percussion instruments or music with a continuously  
repeating bass line.  
Maintenance and Service  
All wiring connections should be inspected and cleaned or remade at least once a year.  
If a problem does occur, make sure that all connections are properly made, secure and clean. If a problem occurs in one  
loudspeaker, rewire that speaker in a different location within the system. Should the problem persist then the problem is  
within the speaker. If the speaker sounds fine in the new position it is a strong indication of a more in depth issue with the  
electronics in the system. In the event that your speakers ever need service, contact your local Boston Acoustics dealer or  
Limited Warranty  
Boston Acoustics warrants to the original purchaser of an HPS subwoofer that it will be free of defects in materials and  
workmanship in its mechanical parts for a period of 5 years from the date of purchase. The warranty period for the electrical  
components is 1 year.  
Your responsibilities are to install and use them according to the instructions supplied, to provide safe and secure transporta-  
tion to an authorized Boston Acoustics service representative, and to present proof of purchase in the form of your sales slip  
when requesting service.  
Excluded from this warranty is damage that results from abuse, misuse, improper installation, accidents, shipping, or repairs/  
modifications by anyone other than an authorized Boston Acoustics service representative.  
This warranty is limited to the Boston Acoustics product and does not cover damage to any associated equipment. This  
warranty does not cover the cost of removal or reinstallation. This warranty is void if the serial number has been removed or  
defaced. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.  
If Service Seems Necessary  
First, contact the dealer from whom you purchased the product. If that is not possible, write to:  
Boston Acoustics, Inc.  
300 Jubilee Drive  
Peabody, MA 01960 USA  
Or contact us via e-mail at:  
We will promptly advise you of what action to take. If it is necessary to return your HPS subwoofer to the factory, please ship it  
prepaid. After it has been repaired, we will return it freight prepaid in the United States and Canada.  
For EU Customers Only  
This symbol found on the product indicates that the product must not be disposed of with household waste.  
Instead, it may be placed in a separate collection facility for electronic waste or returned to a retailer when pur-  
chasing similar product. The producer paid to recycle this product. Doing this contributes to reuse and recycling,  
minimizes adverse effects on the environment and human health and avoids any fines for incorrect disposal.  
7
 
300 Jubilee Drive, Peabody, MA 01960 USA  
© 2007 Boston Acoustics, Inc. Boston, Boston Acoustics, Boston Acoustics logo, BassTrac and Deep Channel are registered trademarks  
and the B/A ellipse symbol is a trademark of Boston Acoustics, Inc. Dolby Digital, and Dolby Pro Logic are registered trademarks of  
Dolby Laboratories. Specifications are subject to change without notice. 142-003054-0  
 

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