Russound Speaker RC61 User Guide

®
Ratio  
High-Efficiency Indoor Loudspeakers  
Instruction Manual  
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INTRODUCTION  
Background music  
Applications  
Speaker placement for background music is less critical  
than for stereo listening. Often the goal is to provide  
even coverage throughout the room, without regard to  
a fixed listening position. In this case, the speakers can  
be placed so they cover equal portions of the room.  
Ratio speakers provide room-filling sound in any  
multiroom system with amplified keypads. In many  
cases where an external amplifier would be added for  
conventional speakers, a pair of Ratio speakers powered  
directly by the keypad will suffice.  
In other cases, the goal is to provide background music  
only in part of a large room or open area, often where  
the seating is located. In this case, the speakers can be  
located to provide coverage in that part of the room.  
Designed for optimal performance with amplified key-  
pad systems, Ratio speakers make it possible to use such  
systems in places where higher-powered systems would  
otherwise be used. This provides an economical alterna-  
tive to high-powered multiroom systems.  
Speaker Placement  
Following are some general placement guidelines for  
stereo listening and background music applications.  
Other things to consider for speaker placement include:  
• Locations of unobstructed wall or ceiling cavities in  
which to mount the speakers  
• Accessibility for running cables through the walls or  
ceilings to the speaker locations  
Stereo music listening  
Speaker placement for stereo music listening is impor-  
tant for proper imaging. Imaging is the ability of the  
speaker pair to reproduce sounds so they appear to  
come from between the speakers.  
Speaker placement for background music  
in a seating area  
Placement near corners  
In a stereo music system, we recommend placing the  
left and right speakers about 60 degrees apart when  
viewed from the center listening position. In-wall  
speakers should be centered at ear level.  
Placing the speakers near the corners of a room can  
help emphasize bass frequencies. This is fine if both  
speakers in a stereo pair are mounted near corners, but  
avoid placing one speaker in a corner and another in a  
large open area.  
The best acoustic performance will result if the speakers  
face the same type of surface and are placed in similar  
positions on the same type of wall or ceiling surface.  
Small rooms  
The RC61S stereo ceiling speaker is useful for providing  
coverage for a small room from a single point. Usually it  
should be placed near the center of the room.  
Avoid wet locations  
Ratio indoor speakers are designed to provide reliable  
long-term service as long as they are not installed  
in wet or damp locations such as showers. Also, they  
should not be installed in areas continually subject to  
high humidity, such as unventilated bathrooms and  
porches in humid climates.  
Speaker placement for stereo listening  
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PREPARATION  
4. Score the outline with a utility knife to prevent chip-  
ping or tearing. Then use a drywall saw or spiral-cut  
tool to cut the hole. Make sure you don’t make the  
hole any larger than the template.  
Prewiring  
Run a separate 2-conductor stranded copper speaker  
cable of at least 16 AWG (1.5 mm) from the amplified  
keypad or amplifier to each speaker. (Note: When using  
the RC61S stereo ceiling speaker, run either one 4-con-  
ductor cable or two 2-conductor cables to the speaker.)  
Installing Rough-In Brackets  
If the walls and ceilings are not yet in place, you can  
use Russound rough-in brackets to mark the speaker  
locations and provide templates for making the cutouts.  
Nail or screw the wings of the rough-in bracket to the  
ceiling joists or wall studs, with the opening between  
them where you want the speaker to be. The drywall  
installer can then use the bracket as a template to cut  
the hole in the wallboard exactly the same size as the  
bracket ring.  
Be sure to use cable with the appropriate fire resistance  
rating for the application. Check the local building  
code for specific requirements. Russound offers 2- and  
4-conductor speaker cables with a Class 3 fire rating for  
in-wall installation.  
When running a speaker cable parallel to an AC power  
cable, keep them at least 12 inches (30 cm) apart to  
minimize electromagnetic interference. If the speaker  
cables must cross AC wiring, cross them at right angles.  
Painting the Speakers  
Leave about 2 feet (0.6 m) of cable at the keypad or  
amplifier end for connecting to the output terminals.  
Label the cables so you will know which cable connects  
to each channel. At each speaker location, leave enough  
cable so that at least 2 feet (0.6 m) can extend through  
the cutout for connecting to the speaker.  
The speaker frames and grilles can be painted to match  
the room décor. Be sure not to get paint on the speaker  
baffles or drivers.  
1. Gently pull off the speaker grilles, making sure not to  
distort them. To remove the grilles from the ceiling  
speakers, first unbend the retainer tabs on the edges  
of the grilles. Remove the scrim cloths from inside  
the grilles and set them aside for reassembly.  
Cutting Holes in Existing Wallboard  
Note: Ratio speakers are designed to mount to ceiling  
and wall material between ½ inch (1.3 cm) and ¾ inch  
(1.9 cm) thick. Spacers on the spring clips accommodate  
varying thicknesses of material within this range.  
2. Mask the baffles (the areas inside the frames that  
house the drivers) with the provided paint shields. If  
you will be spraying the frames, also mask the back  
of the speakers to keep overspray off the drivers.  
1. Once you have determined roughly where to place  
the speakers, use a stud finder to locate the wall  
studs or ceiling joists and mark their location.  
3. Paint the frames and grilles separately. Spraying is  
ideal, but if you can’t spray the paint, a roller with a  
short or medium nap will work better than a brush.  
2. Check to make sure there are no obstructions such as  
electrical cables, water pipes, or heating ducts where  
you want to put the speakers.  
4. While the paint is still wet, clear any clogged holes in  
the grilles with bursts of compressed air.  
3. Position the provided cutout template on the wall or  
ceiling and trace around it with a pencil to draw the  
outline of the cutout.  
5. After the paint has thoroughly dried, remove the  
masking.  
The cardboard template supplied with each speaker has perforations for the cutout and a paint shield  
4
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INSTALLATION  
Mounting ring  
Frame  
Baffle  
Scrim cloth  
Grille  
Frame  
Baffle  
Scrim cloth  
Grille  
In-ceiling and in-wall speaker assemblies  
Connecting the Speakers  
Note: Before connecting a ceiling speaker, place the mounting ring, flange down, around the back of the speaker.  
1. Strip 1 to 2 inches (2.5 to 5 cm) off the end of the cable’s outer jacket. Then strip ½ inch (1.3 cm) of insulation off  
each wire.  
2. Twist the wire strands together so there are no strands separated from the bundle.  
3. Connect the wires to the speaker terminals, being sure to observe proper polarity. For standard speaker cable with  
red and black wires, connect the red wire to the red positive (+) terminal and the black wire to the black negative  
(–) terminal.  
Note: Some speaker cables have other ways of designating polarity. For example, cable with a clear jacket usually  
has a copper-colored wire for positive and a silver-colored wire for negative. In a cable with white and black wires,  
the white is positive and the black is negative. Cable with both wires the same color may have grooves, ribs, or  
stripes on the positive wire.  
4. Check to make sure there are no stray strands of wire outside the terminals. If there are, remove the wire, twist  
the strands together, and reconnect the wire to the terminal.  
Speaker cable connections  
5
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INSTALLATION  
Final Assembly  
Ceiling speakers  
Reattach grille  
1. If you removed the grille for painting, insert the scrim cloth into the grille and align the tabs on the edge of the  
grille with the slots in the baffle.  
2. Gently press the grille back into place on the speaker, using even pressure around the edge. Don’t press in the  
center of the grille.  
3. Bend the retainer tabs toward the center of the speaker to secure the grille in place.  
Install speaker in cutout  
Note: The spring clip spacers are set at the factory for a ceiling thickness of 5/8 inch (1.6 cm). For a 1/2 inch (1.3 cm)  
ceiling, turn the spacers over so the thicker side faces the ceiling. Remove the spacers from the clips for a 3/4 inch  
(1.9 cm) ceiling, or when using rough-in brackets.  
Note: Make sure the mounting ring is placed flange down around the back of the speaker.  
1. If you are using a seismic restraint, pass it through the mounting ring and attach it with a screw to one of the  
bosses opposite the spring clips. Flip the spring clips so they point straight up.  
2. Place the mounting ring so it rests on the wires of the spring clips.  
3. Make sure there is no obstruction around the edge of the cutout to keep the spring clips from flipping down to  
hold the speaker in place.  
4. Center the back of the speaker in the cutout and push it straight in until the spring clips flip down and the  
speaker is secure.  
Note: Push only on the frame, not on the grille.  
Ceiling joists  
Cutout  
Mounting ring  
Wallboard  
Speaker  
Spring clip  
Ceiling speaker installation  
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INSTALLATION  
Spring clip  
Wall speakers  
Note: The spring clip spacers are set at  
the factory for a wall thickness of 5/8  
inch (1.6 cm). For a 1/2 inch (1.3 cm)  
wall, turn the spacers over so the thicker  
side faces the wall. Remove the spacers  
from the clips for a 3/4 inch (1.9 cm)  
wall, or when using rough-in brackets.  
Wall studs  
1. If you haven’t already removed the  
grille for painting, gently pull it off  
along with the scrim cloth.  
Dog-leg clamp  
2. On the back of the speaker, flip the  
spring clips so they point straight  
back. Also make sure the dog-leg  
clamps are swiveled inward.  
3. Make sure there is no obstruction  
around the edge of the cutout to keep  
the spring clips from flipping forward.  
Speaker  
Grille  
Cutout  
4. Center the back of the speaker in the  
cutout and push it straight in until the  
spring clips flip forward. Push only on  
the frame, not on the drivers.  
Note: If the cutout is too large, one or  
both spring clips might not flip forward.  
Make sure both clips grab the wallboard  
before you release the speaker.  
Wallboard  
5. Level the speaker. Turn the clamp  
screws clockwise until the clamps are  
drawn up snugly, securing the speaker.  
Wall speaker installation  
Tighten the screws equally but don’t overtighten them.  
6. Insert the scrim cloth into the grille and press it into place on the speaker, using even pressure around the edge.  
Connecting the Amplified Keypad or Amplifier  
1. Make sure the keypad or amplifier is turned off.  
2. Strip 1 to 2 inches (2.5 to 5 cm) off the end of each cable’s outer jacket. Then strip just enough insulation off  
each wire to allow inserting the wires fully into the keypad’s or amplifier’s speaker terminals.  
3. Twist the wire strands together so there are no strands separated from the bundle.  
4. Connect the wires to the speaker terminals, being sure to observe proper polarity.  
5. Check to make sure there are no stray strands of wire outside the terminals. If there are, remove the wire, twist  
the strands together, and reconnect the wire to the terminal.  
Taking Care of Your Speakers  
Your speakers are made of durable materials that need very little care. All we recommend is an occasional dusting  
with a soft cloth or light vacuuming with a dust brush attachment. If you vacuum the speakers, leave the grilles in  
place to avoid damaging the drivers. Do not use any harsh detergents, chemical solvents, or abrasive materials on  
your speakers.  
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SPECIFICATIONS  
Model: RC61  
Loudspeaker type: Round 2-way in-ceiling  
Woofer: 6.5” (16.5 cm) polypropylene cone  
Tweeter: ½” (13 mm) polyetherimide dome  
Frequency response: 76 Hz – 20kHz 3 dB  
Frequency range: 58 Hz – 20kHz –6/+3 dB  
Sensitivity: 90 dB SPL 2.83 V @ 1 m  
Nominal impedance: 8 ohms  
Recommended amplifier power: 3–20 watts RMS  
Cable connector: Spring terminal block  
Overall diameter: 9.8” (24.9 cm)  
Cutout diameter: 8.38” (21.3 cm)  
Mounting depth: 2.8” (7.1 cm)  
Weight: 2.7 lb (1.2 kg)  
Finish: White (paintable)  
Model: RC61S  
Loudspeaker type: Round 2-way single-point stereo  
in-ceiling  
Woofer: 6.5” (16.5 cm) polypropylene cone,  
dual voice coil  
Tweeters: (2) ½” (13 mm) polyetherimide domes  
Frequency response: 70 Hz – 20kHz 3 dB  
Frequency range: 53 Hz – 20kHz –6/+3 dB  
Sensitivity: 93 dB SPL 2.83 V @ 1 m  
Nominal impedance: 8 ohms per channel  
Recommended amplifier power: 3–20 watts RMS  
Cable connectors: (2) Spring terminal blocks  
Overall diameter: 9.8” (24.9 cm)  
Cutout diameter: 8.38” (21.3 cm)  
Mounting depth: 2.8” (7.1 cm)  
Weight: 2.7 lb (1.2 kg)  
Finish: White (paintable)  
8
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SPECIFICATIONS  
Model: RC81  
Loudspeaker type: Round 2-way in-ceiling  
Woofer: 8” (20.3 cm) polypropylene cone  
Tweeter: ½” (13 mm) polyetherimide dome  
Frequency response: 71 Hz – 20kHz 3 dB  
Frequency range: 53 Hz – 20kHz –6/+3 dB  
Sensitivity: 92 dB SPL 2.83 V @ 1 m  
Nominal impedance: 8 ohms  
Recommended amplifier power: 3–20 watts RMS  
Cable connector: Spring terminal block  
Overall diameter: 11.3” (28.7 cm)  
Cutout diameter: 9.88” (25.1 cm)  
Mounting depth: 3.4” (8.6 cm)  
Weight: 3.2 lb (1.5 kg)  
Finish: White (paintable)  
Model: RW691  
Loudspeaker type: Rectangular 2-way in-wall  
Woofer: 6” x 9” (15.2 x 22.9 cm)  
polypropylene cone  
Tweeter: ½” (13 mm) polyetherimide dome  
Frequency response: 64 Hz – 20kHz 3 dB  
Frequency range: 46 Hz – 20kHz –6/+3 dB  
Sensitivity: 90 dB SPL 2.83 V @ 1 m  
Nominal impedance: 8 ohms  
Recommended amplifier power: 3–20 watts RMS  
Cable connector: Spring terminal block  
Overall dimensions: 8.2” W x 12.2” H  
(20.8 x 31.0 cm)  
Cutout dimensions: 6.75” W x 10.75” H (17.1 x 27.3 cm)  
Mounting depth: 3.6” (9.1 cm)  
Weight: 3.6 lb (1.6 kg)  
Finish: White (paintable)  
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NOTES  
10  
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WARRANTY  
Warranty  
Russound Ratio Loudspeakers have a five-year warranty against defects in materials and workmanship. During the warranty period,  
Russound will replace any defective part and correct any defect in workmanship without charge for either parts or labor.  
Russound may replace returned speakers with a product of equal value and performance. In such cases, some modifications to the  
mounting may be necessary and are not Russound’s responsibility.  
For this warranty to apply, the speaker must be installed and used according to its written instructions. If repairs are necessary,  
they must be performed by Russound. The speaker must be returned to Russound at the owner’s expense and with prior written  
permission. Proof of purchase must accompany all claims. Accidental damage and shipping damage are not considered defects,  
nor is damage resulting from abuse or from servicing performed by an agency or person not specifically authorized in writing by  
Russound.  
This warranty does not cover:  
• Damage caused by abuse, accident, misuse, negligence, or improper operation or installation.  
• Products that have been altered or modified.  
• Any product whose identifying number or serial number has been altered, defaced, or removed.  
• Normal wear and maintenance.  
Damage to or destruction of components due to application of excessive power voids the warranty on those parts. In these cases,  
repairs will be made on the basis of the retail value of the parts and labor. To return for repairs, the speaker must be shipped to  
Russound at the owner’s expense, along with a note explaining the nature of service required. Be sure to pack the speaker in a cor-  
rugated container with at least 3 inches of resilient material to protect the speaker from damage in transit.  
Before returning a speaker for repair, call Russound at 603.659.5170 for a Return Authorization number. Write the RA number on  
the shipping label and ship to: Russound, ATTN: Service, 5 Forbes Road, Newmarket NH 03857.  
Russound sells products only through authorized Dealers and Distributors to ensure that customers obtain proper support and  
service. Any Russound product purchased from an unauthorized dealer or source, including retailers, mail order sellers and online  
sellers will not be honored or serviced under existing Russound warranty policy. Any sale of products by an unauthorized source or  
other manner not authorized by Russound shall void the warranty on the applicable product.  
11  
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®
Ratio  
High-Efficiency Indoor Loudspeakers  
Instruction Manual  
Models  
RC61  
RC61S  
RC81  
RW691  
Russound  
5 Forbes Road, Newmarket NH 03857 USA  
Tel 603.659.5170 • Fax 603.659.5388  
Technical Support: [email protected]  
28-1269 Revision 1 12/14/07  
Copyright © 2007 Russound. All rights reserved. All trademarks are the property of their respective owners. Specifications are subject to  
change without notice. Russound is not responsible for typographical errors or omissions.  
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