Black R52 - Loudspeaker OSD Audio - Free user manual and instructions

Product Type	In-wall speaker
Model	Black R52
Brand	OSD Audio
Woofer Size	5.25 inches
Tweeter Size	1 inch
Speaker Configuration	2-way
Power Handling (RMS)	60 watts
Power Handling (Peak)	120 watts
Impedance	8 ohms
Sensitivity	88 dB
Frequency Response	60 Hz - 20 kHz
Cutout Diameter	6.75 inches
Mounting Depth	3.5 inches
Grille Type	Paintable, magnetic
Color	Black
Weight	4.5 lbs
Recommended Use	Home theater, background music, distributed audio
Mounting Type	In-wall
Package Contents	2 speakers, cutout template, paint shield, owner's manual
Warranty	Limited lifetime

Frequently Asked Questions - Black R52 OSD Audio

How do I install the Black R52 in-wall speaker?

First, cut a hole in the drywall using the provided template. Run speaker wire from your amplifier to the hole, leaving extra slack. Connect the wire to the speaker terminals (observe polarity). Insert the speaker into the hole and tighten the mounting screws until the clamps grip the drywall. Attach the grille.

Can I paint the speaker grille to match my wall?

Yes, the grille is paintable. Remove the grille, spray with thin coats of latex paint, and let it dry before reattaching. Be careful not to clog the perforations.

What is the recommended amplifier power for the Black R52?

An amplifier with 20-100 watts RMS per channel is recommended. The speaker handles up to 120 watts peak. Ensure the amplifier is stable into 8 ohms.

How do I clean the speaker grille?

Use a soft brush or vacuum with a brush attachment to remove dust. For stubborn dirt, lightly dampen a cloth with water and mild soap. Do not spray liquid directly on the grille or driver.

Are the Black R52 speakers weather-resistant?

No, these are designed for indoor in-wall installation only. They are not rated for outdoor or wet environments.

What is the difference between the Black R52 and other OSD models?

The Black R52 features a 5.25-inch woofer and 1-inch tweeter in a shallow mount design, suitable for standard wall cavities. Other OSD models may have different driver sizes, power handling, or features like swivel tweeters.

Can I use the Black R52 for surround sound?

Yes, they work well as surround or rear channels in a home theater system. Their wide dispersion and compact size make them ideal for distributed audio too.

What type of speaker wire should I use?

Use 16-gauge or thicker speaker wire for runs up to 50 feet. For longer runs, 14-gauge is recommended. Ensure proper polarity (red to positive, black to negative).

Do the speakers come with mounting hardware?

Yes, each speaker includes a cutout template, paint shield, and screws for installation. The grille is magnetic and attaches without visible fasteners.

How do I troubleshoot no sound from one speaker?

Check wire connections at the speaker and amplifier. Ensure the amplifier is powered and not in protection mode. Swap wires between channels to isolate the issue. If the speaker is defective, contact OSD Audio support.

USER MANUAL Black R52 OSD Audio

• Pencil - Wire Cutter - Safety Eye Wear
• Drill - Phillips Screwdriver - Gloves
• Tape Measure - Utility Knife - Sandpaper

18AWG minimum - for distances up to 10 ft

16AWG - from 10 to 50 ft

14AWG - from 50 to 100 ft

Considerations

• Where is the best place to install the speakers?
• Where do the speakers sound the best?

• Separate the speakers 6 - 10 feet apart.

• (For Ceiling LCR models only) Place speakers with the 15° angled woofer pointed towards the main listening area.

• If you intend to paint the grilles, do so before installation.

Placement

There are many options for proper speaker placement depending upon speaker type and application. It's important to carefully plan the placement of your speakers, as installation requires that you cut a hole in your wall or ceiling.

(See Diagram 1.) Typical speaker placement for a 5.1 and 7.1 speaker system.

Diagram 1

Installation:

Cut Out

NOTE: This is the most important part of the entire installation. If you are not certain whether any obstructions exist behind the desired mounting area, you should start by cutting a small hole in the center of your penciled mounting hole with a drywall saw.

Trace along the included template. Cut along the traced line using a drywall saw or rotary drill. Use a piece of sandpaper to sand down the cut out edge for a smoother contour. (See Diagram 2.)

Diagram 2

BLACK SERIES INSTALL GUIDE

SPECIFICATIONS

Mounting

Tighten the mounting brackets by simply turning the screws on the front of the speaker battle slowly clockwise. The quick-turn mounting system and frame will "sandwich" or clamp around the dry-wall to hold the speaker securely in place once fully lightened to the locked position.

(See Diagram 3.)

Connection

When connecting any speakers to the amplifier or receiver, always make sure the power is on. Locate the connection terms on the back of your receiver or amplifier. Always make sure to connect audio out from the back of your receiver or amplifier to the speakers. (See Diagram 4.)

NOTE: Not all Amplifier/Receivers can safely play more than one pair of speakers at once. Please refer to your owner's manual for impedance and wattage compatibility.

Adjustment

On select models ('Performance, Reference') of OSD Black Series, a front mounted 3-position ±3dB triple contour switch can be used to tailor high frequencies according to speaker placement or the listeners preference. (See Diagram 5.)

* Excludes Shallow Mount Series

Pivoting Tweeter

Your Black series speaker comes from the factory with the tweeter centered in the neutral position. This will provide the smoothest response. However, select models come with a pivoting tweeter so you can focus the sound directly towards the listening area if needed. In order to do this, carefully press on the edge of the tweeter battle in the direction you wish to focus the sound. (See Diagram 6.)

CAUTION: When adjusting the pivoting tweeter be sure not to touch the dome as you may cause damage to the speaker.

graph TD
    A["Two-Part"] --> B["Left Cut"]
    A --> C["Right Cut"]
    B --> D["Left Operator"]
    C --> E["Right Operator"]
    D --> F["+"]
    E --> G["-"]
    style A fill:#f9f,stroke:#333
    style B fill:#ccf,stroke:#333
    style C fill:#ccf,stroke:#333
    style D fill:#cfc,stroke:#333
    style E fill:#cfc,stroke:#333

Model Description Wooler Tweeter				Freq Response	Power Sensitivity Impedance Dimension Depth Cut Out
R51	Ceiling Sputter A3/2024	S 2.2" Pority W/ British Carried	S 2" Pority C/6 Box 2 Box	C 2 Box	75W	3500	5 Box	8 X	0.01	6 X
R52	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box 5 Box	9 X 70	8 W	-8 W	5 Box	8 X	2.01	8 X
R53	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box 5 Box	9 X 70	13 W	41 W	5 Box	4 X	3.01	4 X
R61	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box	45 Box	100W	3600	5 Box	9 X	2.01	7 X
R82	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box 5 Box	45 Box	100W	41 W	5 Box	3 X	3.01	7 X
R53	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box 5 Box	35 Box	100W	3600	5 Box	3 X	3.01	7 X
R62DT	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box 5 Box	45 Box	100W	3600	5 Box	4 X	3.01	7 X
R82A	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box 5 Box	45 Box	100W	4100	5 Box	4 X	3.01	8 X
R83A	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box 5 Box	35 Box	100W	4600	5 Box	4 X	3.01	8 X
R81	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box	35 Box	100W	3600	5 Box	7	4.01	9 X
R82	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box	45 Box	100W	3600	5 Box	7	4.01	9 X
R83	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box	35 Box	100W	3100	5 Box	7	4.01	9 X
R83DT	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box	35 Box	100W	3600	5 Box	7	4.01	9 X
R82DT	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box	45 Box	100W	3600	5 Box	7	4.01	9 X
R82A	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box	35 Box	100W	3600	5 Box	7	4.01	9 X
R83A	Ceiling Sputter A3/2024	S 2" Pority W/ British Carried	S 2" Pority Car 1 Box 4 Box	35 Box	100W	3100	5 Box	7	4.01	9 X
R62 SM	Ceiling Sputter A3/2024	S 2" Pority Car	S 2" Pority Car	75 Box	50 W	41 Box	5 Box	2 X	0.11	2 X
R62 SM	Ceiling Sputter A3/2024	S 2" Pority Car	S 2" Pority Car	75 Box	100W	41 Box	5 Box	7 X	2 X	4 X
R62SS	Ceiling Sputter A3/2024	S 2" Pority Car, Oil & Gas & Gas	S 2" Pority Car	55 Box	25 Box	45 Box	5 Box	3 X	2.01	3 Box
T52LCR	Ceiling Sputter A3/2024	S 2" Pority Car, Oil & Gas & Gas	S 2" Pority Car	55 Box	100W	3600	5 Box	15 X 4 Box	5 X	11 X 4 Box
T53LCR	Ceiling Sputter A3/2024	S 2" Pority Car, Oil & Gas & Gas	S 2" Pority Car	55 Box	100W	3600	5 Box	15 X 4 Box	5 X	11 X 4 Box
T61	Ceiling Sputter A3/2024	S 2" Pority Car, Oil & Gas & Gas	S 2" Pority Car	45 Box	100W	3600	5 Box	12 X 4 Box	5 Box	10 X 4 Box
T62	Ceiling Sputter A3/2024	S 2" Pority Car, Oil & Gas & Gas	S 2" Pority Car	45 Box	100W	4100	5 Box	15 X 4 Box	5 Box	10 X 4 Box
T63	Ceiling Sputter A3/2024	S 2" Pority Car, Oil & Gas & Gas	S 2" Pority Car	55 Box	100W	3600	5 Box	12 X 4 Box	5 Box	6 X 4 Box
T81	Ceiling Sputter A3/2024	S 2" Pority Car, Oil & Gas & Gas	S 2" Pority Car	55 Box	100W	3600	5 Box	15 X 4 Box	5 Box	15 X 4 Box
T82	Ceiling Sputter A3/2024	S 2" Pority Car, Oil & Gas & Gas	S 2" Pority Car	55 Box	100W	3600	5 Box	15 X 4 Box	5 Box	15 X 4 Box
T83	Ceiling Sputter A3/2024	S 2" Pority Car, Oil & Gas & Gas	S 2" Pority Car	55 Box	100W	3600	5 Box	14 X 4 Box	5 Box	12 X 4 Box

NOTE: All specification and dimensions are subject to change without notice.

All Optimal Speaker Design speaker products have Limited Lifetime Warranty against defects in materials and workmanship. Proof of purchase must accompany all claims. During the warranty period Optimal Speaker Design will replace any defective part and correct any defect in workmanship without charge for either parts or labor Optimal Speaker Design may replace returned speakers with a product of equal value and performance. In such cases, some modification to the mounting may be necessary and are not Optimal Speaker Designs responsibility.

For this warranty to apply, the unit must be installed and used according to its written instructions. If necessary, repairs must be performed by Optimal Speaker Design. The unit must be returned to Optimal Speaker Design at the owner's expense and with prior written permission. Accidental damage and shipping damage are not considered defects, nor is damaged resulting from abuse or from servicing performed by an agency or person not specifically authorized in writing by Optimal Speaker Design

Optimal Speaker Design sells products only through authorized dealers and distributors to ensure that customers obtain proper support and service. Any Optimal Speaker Design product purchased from an unauthorized dealer or other source, including retailers, mail over dealers and on-line sellers will not be honored or serviced under existing Optimal Speaker Design warranty policy. Any sale of product by an unauthorized source or other manner not authorized by Optimal Speaker Design shall void the warranty on the applicable product.

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, you must email customer service at [e-mail] for a Returned Merchandise Authorization (RMA) number# then the unit must be shipped to Optimal Speaker Design at the owner's expense, along with a note explaining the nature of service required. Be sure to pack the speaker(s) in a corrugated container with at least 3 inches of resilient material to protect the unit from damage in transit.

This Warranty Does Not Cover: Damage caused by abuse, accident, misuse, negligence, or improper operation (installation) • Any products that have been altered or modified • Any product whose identifying number of decal, serial #, etc. has been altered, defaced or removed • Normal wear and maintenance.