1. परिचय
This manual provides comprehensive instructions for the installation, operation, and maintenance of your OSD Audio ACE870 8" Trimless Ceiling Speaker. Designed for LCR (Left, Center, Right) home theater surround sound applications, this speaker features a trimless grille for a seamless appearance and advanced audio components for an immersive listening experience. Please read this manual thoroughly before installation and use to ensure proper setup and optimal performance.

Figure 1.1: The OSD ACE870 Trimless Ceiling Speaker with its grille removed, showcasing the internal components and the trimless design.
2. सुरक्षितता माहिती
Always adhere to the following safety guidelines to prevent damage to the speaker, property, or personal injury:
- Ensure all power to the installation area is disconnected before beginning any wiring or installation work.
- जर तुम्हाला इलेक्ट्रिकल वायरिंगबद्दल खात्री नसेल तर पात्र इलेक्ट्रिशियनचा सल्ला घ्या.
- Do not expose the speaker to excessive moisture or extreme temperatures. This product is not waterproof.
- स्थापनेदरम्यान योग्य साधने आणि सुरक्षा उपकरणे वापरा.
- Ensure the mounting surface (ceiling) can adequately support the weight of the speaker.
- Do not attempt to modify or repair the speaker yourself. Refer all servicing to qualified personnel.
3. पॅकेज सामग्री
पॅकेजमध्ये सर्व वस्तू आहेत का ते तपासा:
- 1 x OSD Audio ACE870 Trimless Ceiling Speaker
If any items are missing or damaged, please contact OSD Audio customer support.
4. सेटअप आणि स्थापना
4.1 Planning Speaker Placement
The ACE870 speaker is designed for in-ceiling installation and features a 15-degree angled woofer and pivoting tweeter, making it ideal for LCR and surround sound applications, including Dolby Atmos setups. Consider the following for optimal sound:
- For LCR channels, position speakers in the front ceiling, angled towards the primary listening area.
- For surround or height channels, place speakers strategically to create an immersive sound field, following your amplifier's recommendations for Dolby Atmos or other surround formats.
- Ensure there are no obstructions (e.g., joists, pipes, electrical wires) in the ceiling cavity where you plan to install the speaker.

आकृती 4.1: उदाample of a Dolby Atmos home theater speaker setup, illustrating potential placement for ceiling speakers.
4.2 स्थापना चरण
- उद्घाटन तयार करा: Using the provided template (if included, otherwise measure carefully), mark the cutout area on the ceiling. Ensure the marked area is clear of any obstructions. Carefully cut the opening using a drywall saw or appropriate tool.
- Run Speaker Wire: Route high-quality speaker wire (e.g., 12/2 gauge) from your amplifier or receiver to the speaker cutout. Leave enough slack for easy connection.
- Connect Speaker Wire: Connect the speaker wire to the binding posts on the speaker. Ensure correct polarity (+ to + and - to -) from the amplifier to the speaker. The ACE870 uses standard speaker wire connections.
- स्पीकर घाला: Carefully insert the speaker into the cutout. The mounting clamps will automatically swing out and secure the speaker as you tighten the screws on the front baffle.
- ग्रिल जोडा: The trimless grille attaches magnetically to the speaker baffle. Align the grille and gently place it onto the speaker until it snaps into place.

आकृती 4.2: उदाample of speaker cable used for connecting the speaker to an ampलाइफायर

Figure 4.3: Diagram illustrating the process of installing a ceiling speaker into a prepared opening.

Figure 4.4: The OSD ACE870 speaker with its magnetic trimless grille detached, ready for installation or removal.
५. स्पीकर चालवणे
५.५ ऑडिओ समायोजने
The ACE870 speaker features contour switches that allow you to tailor the bass and treble response to your listening preference and room acoustics. These switches are typically located near the woofer or tweeter on the speaker baffle, accessible before the grille is attached.
- Bass Contour Switch: Adjusts the low-frequency output. Use to compensate for room acoustics or personal preference.
- Treble Contour Switch: Adjusts the high-frequency output. Use to brighten or soften the sound.
Experiment with these settings to achieve the desired sound profile for your home theater system.

आकृती ३.१: जवळून पाहिलेले छायाचित्र view of the speaker's woofer and pivoting tweeter, where contour switches are typically located.
5.2 सिस्टम एकत्रीकरण
Connect the ACE870 speaker to a compatible home theater receiver or ampलाइफायर याची खात्री करा amplifier's power output does not exceed the speaker's maximum power handling of 175 watts. The speaker is designed to work with 8 Ohm impedance systems.
While the speaker itself does not have direct voice control, it can be integrated into a voice-controlled home theater system through your compatible receiver or smart home hub.
6. देखभाल
The OSD ACE870 speaker requires minimal maintenance:
- स्वच्छता: Gently wipe the trimless grille with a soft, dry cloth to remove dust. Do not use abrasive cleaners or solvents.
- तपासणी: Periodically check the speaker grille for any signs of damage or discoloration.
- पर्यावरण: Ensure the speaker is not exposed to direct sunlight, excessive heat, or moisture, as these can affect its performance and lifespan.
7. समस्या निवारण
If you encounter issues with your OSD ACE870 speaker, refer to the following common problems and solutions:
| समस्या | संभाव्य कारण | उपाय |
|---|---|---|
| स्पीकरमधून आवाज नाही | सैल किंवा चुकीचे वायरिंग; Amplifier off or input not selected; Speaker damaged. | स्पीकर आणि दोन्ही ठिकाणी सर्व स्पीकर वायर कनेक्शन तपासा amplifier, ensuring correct polarity. Verify ampलाइफायर चालू आहे आणि योग्य इनपुट निवडला आहे. शक्य असल्यास दुसऱ्या स्पीकरने चाचणी करा. |
| विकृत किंवा अस्पष्ट आवाज | ओव्हरड्रीव्हन amplifier; Incorrect contour switch settings; Loose speaker grille. | कमी करा amplifier volume. Adjust bass/treble contour switches. Ensure grille is securely attached. Check for any physical damage to the speaker cone. |
| Speaker cuts in and out | Loose wiring; Amplifier overheating; Short circuit in wiring. | Inspect all wiring for loose connections or frayed wires. Ensure amplifier has adequate ventilation. If problem persists, consult a professional. |
If the problem persists after trying these solutions, please contact OSD Audio customer support.
8. तपशील
| वैशिष्ट्य | तपशील |
|---|---|
| मॉडेलचे नाव | ACE870 |
| स्पीकरचा प्रकार | Atmospheric, LCR, In-Ceiling |
| विशेष वैशिष्ट्य | Dolby Enabled, Hi Res Audio, Trimless Grille, Contour Switches |
| शिफारस केलेले वापर | For Surround Sound Systems, Home Theater |
| सुसंगत साधने | Home Theater Receivers/Ampजीवनदायी |
| वूफर व्यास | 8 Inches (Carbon Fiber Composite Cone, 15-degree angled) |
| ट्वीटर | 1 Inch Aluminum Dome (Pivoting) |
| स्पीकर कमाल आउटपुट पॉवर | 175 वॅट्स |
| प्रतिबाधा | 8 ओम |
| कनेक्टिव्हिटी तंत्रज्ञान | स्पीकर वायर |
| ऑडिओ आउटपुट मोड | भोवती |
| माउंटिंग प्रकार | कमाल मर्यादा माउंट |
| रंग | Trimless (White grille, paintable) |
| उत्पादन परिमाणे | १६"उ x २६"प x ४७"उ |
| आयटम वजन | 0.01 Ounces (Note: This weight seems incorrect, likely a data entry error. Actual weight would be higher.) |
| समाविष्ट घटक | 1 स्पीकर |
| जलरोधक आहे | FALSE (Not Water Resistant) |
| नियंत्रण पद्धत | Voice (via compatible system) |
| उत्पादक | ओएसडी ऑडिओ |
| UPC | 819603012279 |
9. हमी आणि समर्थन
9.1 हमी माहिती
The OSD Audio ACE870 Trimless Ceiling Speaker comes with a मर्यादित हमी. For specific details regarding the warranty period, coverage, and terms, please refer to the warranty card included with your product or visit the official OSD Audio webसाइट
9.2 ग्राहक समर्थन
For technical assistance, troubleshooting, or warranty claims, please contact OSD Audio customer support. You can find contact information on the official OSD Audio webसाइटवर किंवा तुमच्या किरकोळ विक्रेत्याद्वारे.
ला भेट द्या OSD Audio Store on Amazon अधिक माहिती आणि उत्पादन संसाधनांसाठी.





