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August 31, 2026 4 min read
Owner's manual for the NuVo AccentPLUS1 In-Wall & In-Ceiling Architectural Speaker series (including the NV-AP18C 8" ceiling speaker) — installation, painting instructions, and full specs across the line.
Owner's manual for the NuVo AccentPLUS1 In-Wall & In-Ceiling Architectural Speaker series, covering the NV-AP18C 8" ceiling speaker and related AccentPLUS1 models — installation, wiring, painting, and full specifications.
The AccentPLUS1 series represents NuVo's flagship in-wall and in-ceiling architectural speaker line, combining high-quality components with NuVo's manufacturing process for years of reliable audio performance.
Proper placement is critical to speaker performance. Consider the room's optimal listening area and orient speakers to face it, with 8–10 feet of separation between left and right speakers.
In existing construction, avoid conflicts with wiring, heat ducts, or water lines. AccentPLUS1 rough-in brackets can double as a cutout template for drywall installation, placed between studs or ceiling joists during pre-construction.
The grill and trim can be painted to match your wall color. Each speaker ships with a clear plastic paint plug to protect internal components during painting. Always remove the grill before painting.
If you get no audio after installation, check that the speaker wires haven't disconnected from the terminal posts and that there's no short in the wiring.
| Spec | NV-AP16C | NV-AP16CS | NV-AP18C |
|---|---|---|---|
| Description | 6.5" Ceiling Speaker, Co-axial Pivoting Tweeter | 6.5" Stereo Ceiling Speaker, Dual Fixed Tweeter | 8.0" Ceiling Speaker, Co-axial Pivoting Tweeter |
| Power Rating | 50W | 50W | 60W |
| Impedance | 8 ohms | 8 ohms | 8 ohms |
| Efficiency | 91dB 1W/1M | 91dB 1W/1M | 92dB 1W/1M |
| Frequency Response | 55Hz–20kHz | 55Hz–20kHz | 45Hz–20kHz |
| Tweeter Crossover | 12dB/Octave, 4kHz | 12dB/Octave, 4kHz | 12dB/Octave, 4kHz |
| Dimensions | 9" Diameter (228mm) | 9" Diameter (228mm) | 10¾" Diameter (272mm) |
| Cutout Dimensions | 8" (204mm) | 8" (204mm) | 9¾" (248mm) |
| Depth | 3" (75mm) | 3" (75mm) | 3⅜" (86mm) |
| Woofer Magnet | 10 oz / 80x30x15mm / Y35 | 10 oz / 80x30x15mm / Y35 | 20 oz / 100x45x15 / Y35 |
| Voice Coil | 1.0" Kapton | 1.0" Kapton | 1.5" Kapton |
| Cone | Etched Polypropylene | Etched Polypropylene | Etched Polypropylene |
| Surround | Butyl Rubber | Butyl Rubber | Butyl Rubber |
| Tweeter Magnet | Neodymium | Neodymium | Neodymium |
| Tweeter Dome | 20mm Silk | 2x13mm Mylar | 25mm Silk |
| Tweeter Type | Pivoting 30° | Fixed Position | Pivoting 30° |
| Spec | NV-AP16I | NV-AP18I |
|---|---|---|
| Description | 6.5" In-Wall, Pivoting Tweeter | 8.0" In-Wall, Co-axial Pivoting Tweeter |
| Power Rating | 50W | 60W |
| Impedance | 8 ohms | 8 ohms |
| Efficiency | 91dB 1W/1M | 92dB 1W/1M |
| Frequency Response | 55Hz–20kHz | 45Hz–20kHz |
| Dimensions | 12" x 8¾" (306x220mm) | 14⅛" x 10" (358x256mm) |
| Cutout Dimensions | 11⅛" x 7¾" (284x198mm) | 13¼" x 9⅛" (336x232mm) |
| Depth | 3" (75mm) | 3⅜" (86mm) |
| Woofer Magnet | 10 oz / 80x30x15mm / Y35 | 20 oz / 100x45x15 / Y35 |
| Voice Coil | 1.0" Kapton | 1.5" Kapton |
| Tweeter Dome | 20mm Silk | 25mm Silk |
| Tweeter Type | Pivoting 30° | Pivoting 30° |
NuVo Technologies warrants this product against defects in workmanship or material for 5 years from the original purchase date. Applies to the original purchaser only and is not transferable. Excludes wear/tear, misuse, or neglect. Void if the unit is altered/modified, the serial number is removed/defaced, purchase was not from an Authorized NuVo Dealer, or the warranty card is not completed and mailed within 10 days of purchase. NuVo Technologies and its dealers are not liable for incidental or consequential damages.
NuVo Technologies • 4940 Delhi Pike, Cincinnati, OH 45238 • 513-347-2180 • www.nuvotechnologies.com
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