RBH Sound Speaker WM 24 User Guide

M SERIES ON-WALL SPEAKERS  
WM-24 and WM-30  
O w n e r s M a n u a l  
 
Introduction  
Congratulations on your purchase of an RBH Sound M Series WM-24 or WM-30 on-  
wall speaker! Your speaker is the result of many years of research and development  
dedicated to producing high quality products for home audio and audio systems.  
This manual contains features, setup recommendations and specifications for the M  
Series WM-24 and WM-30 wall-mount speaker. It is recommend you thoroughly read  
through the material contained in this manual before connecting your speakers.  
This will ensure you have a good understanding of how to setup your speakers for  
optimum performance and allow for years of listening enjoyment.  
M Series On-wall Speakers  
WM-24  
WM-30  
Break-in Period  
Allow several hours of listening time to adequately break-in the M Series on-wall  
speakers. As the speakers break-in, the driver suspension will loosen. The result of  
break-in will be an increase in low frequency response, improved definition, and  
increased clarity and detail.  
1
 
Care and Cleaning  
To maintain speaker appearance, we recommend wiping them down with a clean damp  
soft cloth. To clean dust from the grille cloth, use a vacuum with a brush attachment.  
Features  
At the heart of the M Series speakers are proprietary aluminum woofers and midrange  
drivers. This special aluminum cone material combines stiffness, low mass and self-  
damping properties to allow uncolored presentation of the program material.  
A powerful magnet, extended voice coil and bumped back plate give the bass/  
midrange divers high excursion capability. This ensures accurate dynamic  
reproduction. The drivers are shielded by a steel cup and additional magnet to  
cancel any stray magnetic field that my cause interference with video equipment  
such as tube televisions.  
Steep acoustic slope crossovers are used to integrate drivers. The use of steep  
crossover slopes allows high power handling, minimizes driver interaction  
anomalies and will maximize the clarity of each driver in its respective frequency  
band. A polyswitch, or current limiting device, is used in the crossover to prevent  
damage to the tweeter if over-driven. This device is engineered to work 900%  
faster than a fuse.  
Sophisticated computer modeling and measurement techniques are used  
extensively in the RBH speaker design process. Cabinets are constructed from  
extruded aluminum. The cabinets also have a narrow profile to minimize cabinet  
diffraction. The speakers virtually disappear leaving only a deep, wide sound stage  
and pinpoint imaging.  
2
 
System Setup  
In order to extract the best possible sound from your speaker system, it is  
important to determine where the speakers will sound best in your listening room.  
Room reflections from the floor, ceiling and side walls influence the balance,  
imaging and overall sonic quality at the listening position. Experiment with  
speaker placement to determine which location offers the best overall sound. As  
a general guide, use the room layout diagram on the next page and the following  
descriptions listed below when setting up a home theater system. Some speakers  
shown in the diagram may not always be applicable to your individual system.  
The WM-24 and WM-30 are designed to be used with flat-panel TVs such as plasma  
and LCD monitors. This will usually dictate placing the speakers on each side of  
the TV, or either above or below if used as a center channel. The WM-24 and WM-30  
speakers sound best when placed with the speaker’s back against a wall, using the  
supplied mounting bracket.  
Front Main Speakers  
For surround sound applications, main front left and right channel speakers  
should be mounted to the wall with the included brackets, and placed at or close  
to ear level when seated. If using aftermarket brackets which allow the speaker  
to swivel, angling the speakers inward towards the listening position may give a  
more spacious and realistic sound stage.  
Center Channel Speaker  
The center channel speaker should be centered above or below the TV monitor in-  
between both left and right main front speakers. The WM-24 and WM-30 speakers  
may be placed in a horizontal (lying down) or vertical (standing) position.  
Surround Speakers  
Surround channel speakers should be placed behind and to the sides of the  
listening position. The listening position should be centered between the  
surround speakers.  
Subwoofer  
Placement of the subwoofer will largely determine quality, quantity, and  
extension of the bass frequencies within your listening room. Bass frequencies  
are reinforced by close room boundaries. Placing the subwoofer in a corner will  
make the subwoofer sound louder and boost the very lowest frequencies. Placing  
the subwoofer away from walls will provide the least reinforcement, making the  
bass sound subjectively thinner than if the woofer were close to a wall. Good  
results can usually be obtained by placing a subwoofer along a wall 1-3 feet from  
a corner. Refer to your subwoofer’s owner’s manual and experiment with subwoofer  
placement and the sub-amplifier controls to achieve the proper bass balance.  
3
 
System Setup (continued)  
4
 
Mounting Bracket  
Using the enclosed template, mark your  
desired speaker location.  
NOTE: the bracket is offset to allow for the  
slide mount of the speaker onto the bracket.  
The offset allows the speaker to be centered  
when mounting is complete. If mounting in a  
stud-less drywall location, use the enclosed  
self-tapping drywall augers and screws.  
Start the auger in the drywall location with  
a few slight taps from a hammer, then screw  
down snugly with a screwdriver. To mount  
the bracket, hold the bracket in the desired  
location and fasten with the included  
screws. If you’re mounting the bracket to  
surfaces other than drywall or hardwood,  
we recommend you consult with a hardware  
or construction professional to obtain the  
best hardware for your application. RBH  
recommends the use of the bubble-type  
level to ensure correct positioning of your  
speakers.  
Four arrows in the picture point to four  
screw holes which should be used to attach  
the bracket to your mounting surface. The  
elongated center hole in the bracket is  
designed to allow the speaker wire to pass  
through. The keyways indicated by the other two arrows show the locations where  
the speaker mounting knobs will be inserted into the bracket.  
TIP: Prior to actually mounting your speaker, you may want to assemble the mounting  
knobs and bracket to the speaker to gain a better understanding of how the pieces work  
together.  
NOTE: When mounting in a vertical position, the speaker should always slide down  
onto the bracket.  
5
 
Speaker Mounting  
To mount the speaker to the bracket, screw the supplied mounting knobs into the  
holes shown below (screw mounts), then tighten with a flat blade screwdriver.  
Attach the speaker wire observing polarity, and then fit the mounting knobs into  
the speaker mount opening of the bracket (shown in the illustration on the previous  
page. The speaker will mount centered when the mounting knobs are slid into place  
on the bracket in the direction shown by the arrows in the illustration below.  
TIP: Prior to actually mounting your speaker, you may want to assemble the  
mounting knobs and bracket to the speaker to gain a better understanding of how  
the pieces work together.  
NOTE: When  
mounting in a  
vertical position,  
the speaker should  
always slide down  
onto the bracket.  
Both silver and  
black grilles are  
supplied in the  
original shipping  
box. Select the  
grille which best  
matches the décor  
of your monitor  
and the room and  
attach it to the  
speaker.  
6
 
Specifications  
Model  
WM-24  
WM-30  
50Hz-20kHz 3dB  
45Hz-20kHz 3dB  
Frequency  
Response:  
90dB  
90dB  
Sensitivity:  
75-120 Watts  
75-120 Watts  
Recommended/  
Rated Power:  
(2) 4” Active Aluminum Cone  
(2) 4” Passive Aluminum Cone  
(2) 4” Active Aluminum Cone  
(2) 4” Passive Aluminum Cone  
Woofer(s):  
(1) 1” Fabric Dome  
6 Ohms  
(1) 1” Fabric Dome  
6 Ohms  
Tweeter:  
Impedance:  
3000 Hz  
3000 Hz  
Crossover  
Frequencies:  
Black Brushed Aluminum  
Black or Silver Cloth  
Black Brushed Aluminum  
Black or Silver Cloth  
Finish:  
Grille:  
1
3
1
3
7 /8” W x 24” H x 3 /” D  
7 /8” W x 30” H x 3 /” D  
Dimensions:  
4
4
(182mm W x 610mm H x 95mm D) (182mm W x 762mm H x 83mm D)  
9½ lbs. (4.30 Kg)  
11 lbs. (4.98 Kg)  
Weight:  
15¼” H x 2” W x ½” D  
15¼” H x 2” W x ½” D  
Bracket  
(387mm H x 51mm W x 13mm D) (387mm H x 51mm W x 13mm D)  
Dimensions:  
7
 
Troubleshooting  
Situation:  
Probable Cause:  
Solution:  
No sound from speakers  
Speaker wire not  
connected  
Make sure wire is  
connected at both the  
speaker and the amplifier  
observing proper polarity  
Speaker selector on  
amplifier is not on  
Activate proper selector  
on amplifier  
No sound from speaker  
Balance control on  
receiver or pre-amp is  
not centered  
Place balance control in  
the center  
Speaker wire not securely Check all connections at  
connected  
amplifier and speakers  
Very little bass and/or  
imaging  
Speakers are wired out  
of phase  
Check entire system for  
proper polarity and make  
adjustments as necessary  
Warranty  
Your RBH Sound M Series On-wall Speakers are covered by a limited warranty against  
defects in materials and workmanship for a period of 5 years from the original  
date of purchase. This warranty is provided by the authorized RBH Sound dealer  
where the speaker was purchased. Warranty repair will be performed only when  
your purchase receipt is presented as proof of ownership and date of purchase.  
Defective parts will be repaired or replaced without charge by your dealer’s store or  
the location designated by your dealer authorized to service RBH Sound products.  
Charges for unauthorized service and transportation cost are not reimbursable  
under this warranty. This warranty becomes void if the product has been damaged  
by alteration, misuse or neglect. RBH Sound assumes no liability for property  
damage or any other incidental or consequential damage whatsoever which may  
result from the failure of this product. Any and all warranties of merchantability  
and fitness implied by law are limited to the duration of this express warranty.  
Some states do not allow limitations on how long an implied warranty lasts, so the  
above limitations may not apply to you. Some states do not allow the exclusion  
or limitation of incidental or consequential damages, so the above limitation or  
exclusion may not apply to you.  
8
 
 
Redefining The Way You Experience Sound.TM  
382 Marshall Way, Layton, Utah • USA • 84041  
Toll Free: (800) 543-2205 • Fax: (801) 543-3300  
It is RBH Sound policy to continuously incorporate improvements into our products; all specifications are subject to change without notice.  
Copyright © 2007 RBH Sound. All Rights Reserved.  
 

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