Black NC8W - Audio OSD Audio - Free user manual and instructions

Product Type	In-Ceiling Speaker
Brand	OSD Audio
Model	Black NC8W
Woofer Size	8 inches
Tweeter Size	1 inch
Power Handling (RMS)	30 Watts
Impedance	8 Ohms
Sensitivity	90 dB
Frequency Response	50 Hz - 20 kHz
Transformer Taps (70V/100V)	30W, 15W, 7.5W, 3.75W
Cutout Diameter	9.375 inches
Overall Diameter	11.5 inches
Mounting Depth	4.5 inches
Weight	5.5 lbs
Grille Material	Perforated metal, paintable
Installation	Spring-loaded mounting clips
Environmental Rating	Indoor use only
Safety Compliance	UL Listed
Cleaning Instructions	Wipe with dry cloth; do not use water or solvents
Spare Parts Availability	Contact OSD Audio for replacement parts
Repairability	No user-serviceable parts; refer to qualified personnel

Frequently Asked Questions - Black NC8W OSD Audio

What is the cutout size for the NC8W?

The cutout diameter is 9.375 inches (23.8 cm).

Can I use this speaker outdoors?

No, the NC8W is designed for indoor use only and should not be exposed to moisture or extreme temperatures.

What impedance is the speaker?

The speaker has a nominal impedance of 8 ohms for low-impedance operation. For 70V/100V systems, use the built-in transformer.

Does it work with 70V audio systems?

Yes, the NC8W includes a multi-tap transformer with taps for 30W, 15W, 7.5W, and 3.75W at 70V or 100V.

What amplifier power is recommended?

For best performance, use an amplifier delivering 15 to 60 Watts RMS per channel into 8 ohms.

How do I install the NC8W?

Cut a hole of 9.375 inches diameter in the ceiling, connect the speaker wires to the terminals (observing polarity), then push the speaker into the hole and tighten the spring-loaded clips.

Can I paint the grille?

Yes, the grille is made of paintable metal. Remove the grille, apply thin coats of paint, and reattach after drying.

Is a mounting bracket included?

No separate bracket is needed. The speaker has integrated spring clips that secure it to the ceiling drywall.

What is the frequency response range?

The speaker reproduces frequencies from 50 Hz to 20 kHz, providing full-range sound.

Where can I find the user manual?

You can download the free user manual for the OSD Audio Black NC8W from notice-facile.com in PDF format.

USER MANUAL Black NC8W OSD Audio

by OPTIMAL SPEAKER DESIGN

BLACK

BLACK by Optimal Speaker Design is a range of premium quality from amount loudspeakers designed to serve decontining homeowners and AN integrators who demand the ultimate in acoustics style and size performance. Black products include unique features and technologies that make their better looking, easier to install and name details, while delivering life-like sound quality more typically found in free standing audioplike grade speakers.

There are BLACK models to fit every distributed audio and home theater application and space oriented in three performance levels. Acoustic, Performance and Reference. BLACK products are sold only through custom installation Audio Video specialist readers in order to ensure proper system design, installation and total customer satisfaction.

The Optimal Speaker Design Heritage

Businessman and telegraph autophile Dave Choi, who was improved to start a new audio company after it was "insured in the season for high performance outlook and built in loudspeakers' United OED in 2003. Dave knew that by leveraging the close relationships with experienced audio England evening, product design and manufacturing resources he ought rising better sounding, higher value auction reduces to the current institutional channel. The commercial performance of BILACK products combined with Dave's stock sector to real-time, persons-to-person, expert technical support is a winning formula period for these times of change. BLACK SKIRLS is the ultimate expression of Dave's value and dedication to better quality auto for all

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Close-up of a white circular surface with a grid pattern, no text or symbols visible.

PERFECT EDGE™

- ACK is well and in-coding speakers perform a near-mirrored disappointing act. Rather than a wide range found in most built-in speakers, BLACK speakers feature range-free Perfect EdgeTM magnetic grilles that minimize the vehicle footprint of the speaker long clean elegant and unambiguous appearance

Square Options

3 ACK round in-ceiling blades offer a square grille option to match the aesthetic of rectangular architectural elements such as lighting fixtures and air registers. While other brands may offer this option, only BLACK does it right with a square mask that doesn't "telegralt" the round speaker shadow behind the grille.

Square Grille Kit Square Mask Eliminates The Round

Sibouelle

Without Mask

PRODUCT RANGE

REFERENCE

Carmar Fiber Woolins, (TER) Thermoplastic Rubber Surcincts, Pivoting Ceramic Coated Aluminum Dode Terbors, Copper Sants (-350-18P) and Second Order Crossover Networks with an orange coil, Mylar hypers capacitor and vented protective shield.

PERFORMANCE

Mineral film: Graphite Wistar, Buryl Rubber Eurounds: Rotting Parachobe Silk Soft Dene Denters, Contour Switch (-30/-) pH and Second Order Grassover Network with a core coil, Mylar bypass capacitor and ventral protective shield

ACOUSTIC

Polymer Wooler, Baby Rubber Surfours, Pivoting Silk Soft Dome, Weather and First Dollar Germaner Network

TECH & FEATURES

CUSTOM X-OVER

ELACI Reference and Performance models include audophils/goods consensus components including Myer bypass capacitors to enhance high-frequency extension for exceptional clarity and "air" Shiends' project the components from delta and su-locating in solution while he leguaded slvents keep drugs too

PRO MOUNTING

Installers will appreciate the BLACK mounting system for its use and robust construction. BLACK mounting clamps have brass insents to prevent forced shipping. The allowing total machine aids are forced-ship and run resistance. Rubber damping pads on the mounting clamps minimize the likelihood of chestrock, blood and clamp resonance, vibration and bunting. Better install, better sound. It's all better with FIT ACK.

CONTOUR SWITCH

Reference and Performance speakers often have high frequency counts or many who are, 3dB, 4GHz, and +1 dB settings to monitor speaker performance to the room acoustic. Highly reflective "free" rooms benefit from a 3dB-HP reduction while fabric heavy "dead" rooms will sound better with tweezers booded 10dB

BUILT-IN THEATER

Exceptional home cinema audio performance with near-instantible time within reach. BLACK offers both in-sailing and in-wall high-performance speakers specifically designed for multi-channel home monitor applications. The R02A and R03A models are 6-12" away speakers twin ampled speeds and specialty coordinated bar lines to focus sound at screen levels for a perfect illumination that the speakers are in front of the station. The T54 GB is a Retorance series in wall speaker trail may be used vertically as left/right speakers and horizontally as a center speaker.

TPR RUBBER SURROUND

for metals in tough environments soon as indoor and areas, a flower, music, canvas and commercial settings, use BI ALK Reference series models. Their works are hundreds of fabricated from injection induced thermoplastic Rubber (TPR) a copolymer that has superior curing characteristics and greater tests hence to chemicals, UV and pollutants.

SINGLE POINT STEREO

The BLACK R620T brings exceptional sources to small roofs, tools and service areas. Dual leavers and wooler voice coils allow connection to a stereo ampel with no loss of musical content. Or search to surround mode and aid them in parts for rear and side-channel duties in music theater spaces. Vessatic convenient and exceptional performance that is BLACK.

CEILING SPEAKERS

Model

Description Worker

Tweiler UDM

Preq Response

Power

Sensitivity

Impedance

Dimension

Cavity

Cut Out

RB1

Dining Computer Faster

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CEILING SPEAKERS

Model Description	Worker	Tweer JOM	Free Response	Power	Sensitivity	Impedance	Dimension	Depth	Cut Out
RB2DT	Cable Casing Auction Cathode	100% (100%) Cathode Schematic	1.5V	13.5V	10.0V	0.21V	9.5°	3.00"	7.8°
RB2A	Angular HMP Auction Cathode	100% (100%) Cathode Schematic	1.5V	13.5V	10.0V	0.21V	9.5°	4.20" 3.2"
RB3A	Angular Casing Schematic	100% (100%) Cathode Fount Cathode Schematic	2.5V	61.20V	100V	0.11V	9.5°	4.72"	8.3°
SQS	Square Pulse	Rear 1.5 Caling Pattern	NA	NA	NA	NA	0.7" x 0.1"	NA	NA

IN-WALL SPEAKERS

Model Description Worker Twestar UCM
Fred
【重要提示】

[ABW]	TBI	B-Modi Gomini (2017)	3 Fnd. 01 (2017/2018)	5 Fnd. 02 (2017/2018)	Fnd. 2017/2018/2019			5 Fnd. 01	14 Fnd. 01/2017/2018/2019
	TRO	B-Modi Gomini (2017/2018)	3 Cng. 03 (2017/2018)	7 Fnd. 04 (2017/2018)	Fnd. 2018/2017/2019			5 Fnd. 01	14 Fnd. 01/2017/2018/2019
[ABWT]	TBI	B-Modi Gomini (2017)	3 Cng. 04 (2017/2018)	7 Fnd. 05 (2017/2018)	Fnd. 2017/2017/2018			5 Fnd. 01	14 Fnd. 01/2017/2018/2019

Interior view of a modern living room with beige sofa, fireplace, and large windows overlooking a distant landscape (no visible text or symbols)

BLACK

by OPTIMAL SPEAKER DESIGN

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