Introduzione
Thank you for choosing the Polk Audio Vanishing Series 255c-RT In-Wall Center Channel Speaker. This manual provides essential information for the proper installation, operation, and maintenance of your new speakers. The 255c-RT speakers are designed to deliver high-quality audio with a discreet, in-wall installation, featuring Polk's patented Power Port design for enhanced bass and Dynamic Balance Polypropylene Cones for clear midrange clarity.
Fronte view of the Polk Audio 255c-RT In-Wall Center Channel Speaker, showcasing the tweeter and dual woofers.
Installazione è installazione
Proper installation is crucial for optimal performance and safety. These speakers are designed for in-wall mounting and feature a simple one-cut, drop-in installation process with Perfect Fit templates.
Unpacking
Carefully remove the speakers from their packaging. Inspect for any signs of damage during transit. Retain all packaging materials for future transport or service needs.
Selezzione di u locu
For a center channel speaker, ideal placement is typically directly above or below your television or projection screen, centered horizontally. Ensure there is sufficient space within the wall cavity and no obstructions like electrical wiring, plumbing, or studs.
Wall Preparation and Cutout
- Use the provided Perfect Fit template to mark the cutout area on your wall.
- Carefully cut the opening using an appropriate tool (e.g., drywall saw).
- Ensure the cutout dimensions are approximately 7.5 inches (19.05 cm) in height and 13.06 inches (33.17 cm) in width.
Diagram illustrating the overall speaker dimensions and the required cutout dimensions for a perfect fit installation.
Wiring
Connect your speaker wires from your amplifier or receiver to the speaker terminals. Ensure correct polarity (+ to + and - to -) for optimal sound performance. The speaker features spring-loaded terminals for secure connections.
daretu view of the speaker, showing the internal components and wiring terminals for connection.
Muntà
The 255c-RT utilizes a Rotating Cam system for secure, vibration-free installation. Once the speaker is placed into the cutout, tighten the mounting screws, which will engage the cams to grip the wall firmly.
Image highlighting the Rotating Cam system for simple and secure setup, along with other high-performance features.
Installazione di grille
The speaker comes with a paintable Sheer-Grille™ that attaches magnetically. Align the grille with the speaker frame and it will snap into place. The ultra-small perforations ensure dynamic, unimpeded sound.
Istruzzioni di funziunamentu
Once installed and connected, your Polk Audio 255c-RT speakers are ready for use. Ensure your ampL'amplificatore o u ricevitore hè acceso è impostu à l'entrata curretta.
Ajustamenti Audio
The 255c-RT features a 1" Silk dome tweeter set in a 15-degree swivel housing, offering placement flexibility. Additionally, it includes a Reflective Room Compensation switch (Filter/Norm) which lowers tweeter levels to offset reflective surfaces, ensuring a balanced sound profile in various room environments.
Diagram showing the Dynamic Balance Mid/Woofers, 1" Silk dome tweeter with swivel, and the Reflective Room Compensation feature.
Aghjustate u vostru amplifier's volume and tone controls to achieve your desired sound. For optimal performance, consider running an automatic room correction system if your receiver supports it.
Mantenimentu
Your Polk Audio 255c-RT speakers require minimal maintenance to ensure long-lasting performance and appearance.
Pulizia
To clean the speaker grilles and frames, use a soft, dry cloth. If necessary, a slightly damp cloth can be used, but avoid excessive moisture. Do not use harsh chemicals or abrasive cleaners, as these can damage the finish or grille material.
Pittura di Grille (Opcional)
The Sheer-Grille™ can be painted to match your room decor. For best results, use a fine-mist spray paint and apply several thin coats. Ensure the paint does not clog the grille perforations, as this can affect sound quality. Allow the grille to dry completely before reattaching.
Risoluzione di prublemi
Sè avete prublemi cù i vostri altoparlanti, riferitevi à i seguenti passi cumuni di risoluzione di i prublemi:
- Nisun sonu:
- Verificate tutte e cunnessione di i fili di l'altoparlanti sia à l'altoparlante sia à u amplifier/receiver. Ensure correct polarity.
- Verificate chì u vostru ampL'amplificatore/ricevitore hè acceso è impostu nantu à a fonte d'entrata curretta.
- Verificate chì u vulume sia alzatu è micca silenziatu.
- Sonu distortu:
- Riduce u livellu di vulume nantu à u vostru amplificatore/ricevitore. Sopraffare i diffusori pò causà distorsioni.
- Verificate e cunnessione di i fili di l'altoparlante per eventuali fili allentati o cortocircuiti.
- Assicurà u amplifier/receiver is not clipping (indicated by a harsh, distorted sound at high volumes).
- Poor Bass Response:
- Verificate chì u vostru amplifier/receiver's bass settings are appropriately adjusted.
- Ensure the speaker wires are connected with correct polarity. Incorrect polarity can cause bass cancellation.
- Check if the Reflective Room Compensation switch is set to 'Norm' if you desire full tweeter output, or adjust as needed for your room acoustics.
If these steps do not resolve the issue, please contact Polk Audio customer support.
Specificazioni
| Feature | Specificazione |
|---|---|
| Nome di mudellu | 255c-RT |
| Tipu di parlante | Canale Centrale |
| Complementu di Driver | (1) 1" Tweeter, (2) 5.25" Mid/Woofer |
| Risposta di Frequency | 50 Hz - 25000 Hz |
| Impedenza | 8 Ohms |
| Sensibilità | 90 dB |
| Dimensioni di l'altoparlante (H x L x P) | 9.3" x 14.8" x 3.8" (23.62 cm x 37.59 cm x 9.65 cm) |
| Dimensioni di u ritagliu (A x L) | 7.5" x 13.06" (19.05 cm x 33.17 cm) |
| Tipu di muntatura | Muntu à u muru |
| Culore | White (Paintable Grille) |
| Potenza massima di output | 150 Watt |
| Tecnulugia di cunnessione | Powerline (Wired) |
| UPC | 783214557538 |
Garanzia è Supportu
Infurmazioni di Garanzia
Your Polk Audio 255c-RT speaker comes with a Full Warranty. Please refer to the warranty card included with your product or visit the official Polk Audio websitu per i termini è e cundizioni dettagliate riguardanti a copertura, a durata è e procedure di reclamazione.
Assistenza Clienti
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Polk Audio customer support. You can find contact information, including phone numbers and online support resources, on the official Polk Audio websitu (www.polkaudio.com).
