Manuale utente del subwoofer Definitive Technology Descend DN12 da 12 pollici

1. Introduzione

This manual provides essential information for the proper setup, operation, and maintenance of your Definitive Technology Descend DN12 12-inch Subwoofer. Please read these instructions thoroughly before connecting or operating your subwoofer to ensure optimal performance and safety.

2. Contenuto della confezione

Verifica che il pacco contenga i seguenti articoli:

• Definitive Technology Descend DN12 12-inch Subwoofer
• Cavo di alimentazione
• Telecomando
• Batterie AAA (2) per telecomando
• Manuale dell'utente (questo documento)

3. Prodotto finitoview

The Definitive Technology Descend DN12 is a high-performance 12-inch subwoofer designed to deliver powerful and accurate bass for both movies and music. It incorporates advanced technologies for superior sound reproduction.

3.1 Caratteristiche principali

• Architettura 3XR: Features dual 12-inch bass radiators pressure-coupled to a 12-inch active driver, providing three times the bass-radiating surface area of a traditional ported subwoofer. This design delivers louder, clearer low frequencies without port noise.
• 1500W Peak Class H Amplificatore: A powerful and efficient digital amplifier ensures dynamic and sustained bass output down to 25Hz.
• Advanced 56-bit DSP: Minimizes distortion and protects the woofer at high volumes, ensuring clean and controlled bass.
• Controllo di fase intelligente: Offers 360 degrees of customizable phase adjustment for seamless blending with your main speakers.
• Built-in EQ Modes: Selectable Flat, Deep, and Loud EQ modes allow for optimization based on listening preferences and content.

3.2 Subwoofer Components

4. Impostazione

4.1 Posizionamento

The placement of your subwoofer significantly impacts its performance. Experiment with different locations to find the best sound for your room. General guidelines:

• Posizionamento ad angolo: Often provides the most output and impact, but can sometimes lead to boomy or uneven bass.
• Parte anteriore della stanza: Placing the subwoofer near your front speakers can improve integration and soundstage coherence.
• Mid-Wall Placement: Can offer a more balanced bass response than corner placement.
• Subwoofer multipli: Using two or more subwoofers can provide smoother bass distribution throughout the listening area.

Ensure the subwoofer is placed on a stable, level surface. The included rubber feet help isolate vibrations.

4.2 Connessioni

Before making any connections, ensure all audio components are powered off.

1. LFE Input (Recommended for Home Theater):
   Connect a single RCA cable from the LFE or Subwoofer output of your AV receiver/processor to the LFE IN jack on the DN12. This connection bypasses the subwoofer's internal low-pass filter, allowing your receiver to manage bass management.
2. Line In (Stereo RCA):
   For stereo systems or receivers without an LFE output, connect RCA cables from the pre-out (left and right) of your amplifier/receiver to the LINE IN (Left/Right) jacks on the DN12. In this configuration, the subwoofer's internal low-pass filter will be active.
3. High Level Input (Speaker Level):
   Se il tuo amplifier does not have LFE or line-level outputs, connect speaker wires from the main speaker outputs of your amplifier to the HIGH LEVEL INPUT (Left/Right) binding posts on the DN12. Ensure correct polarity (+ to + and – to –).

4.3 Collegamento di alimentazione

Once all audio connections are made, connect the supplied power cord to the AC power input on the subwoofer and then to a wall outlet. The subwoofer is designed for corded electric power.

5. Utilizzo del subwoofer

5.1 Accensione/spegnimento

The DN12 features a power switch on the rear panel with three settings:

• SOPRA: Il subwoofer rimane sempre acceso.
• AUTO: Il subwoofer si accende automaticamente quando viene rilevato un segnale audio e passa alla modalità standby dopo un periodo di inattività.
• GRILLETTO 12V: The subwoofer powers on/off in conjunction with a 12V trigger signal from a compatible device (e.g., AV receiver).

5.2 Controls (Rear Panel & Remote)

The following controls are available on the rear panel and via the remote control:

• VOLUME: Regola il livello di uscita complessivo del subwoofer. Inizia con un livello moderato e regolalo in modo che si amalgami con gli altoparlanti principali.
• PASSA BASSO: Sets the upper frequency limit for the subwoofer. This is typically set between 80Hz and 120Hz, depending on your main speakers' low-frequency extension. If using the LFE input, this control is usually bypassed by the receiver's bass management.
• FASE: Adjusts the phase of the subwoofer output (0 to 360 degrees) to ensure it aligns acoustically with your main speakers. Experiment with settings to achieve the most coherent bass.
• EQ: Selects between three equalization modes: Piatto (neutral response), Profondo (extended low-frequency response), and Forte (increased output for maximum impact).
• DISPLAY: Controls the brightness or turns off the front panel display.

5.3 Configurazione iniziale e calibrazione

After connecting and powering on, perform the following steps:

1. Set the subwoofer volume to a low level.
2. If your AV receiver has an auto-calibration system (e.g., Audyssey, MCACC, YPAO), run it according to your receiver's instructions. This will automatically set volume, phase, and crossover frequency.
3. If calibrating manually, play familiar audio content and adjust the subwoofer's VOLUME, LOW PASS, and PHASE controls until the bass blends seamlessly with your main speakers without being overly prominent or lacking.

6. Manutenzione

To ensure the longevity and optimal performance of your DN12 Subwoofer, follow these maintenance guidelines:

• Pulizia: Per pulire il mobile, utilizzare un panno morbido e asciutto. Evitare detergenti abrasivi, solventi o prodotti chimici aggressivi.
• Polvere: Regularly dust the subwoofer to prevent accumulation, especially around the drivers and rear panel.
• Ventilazione: Ensure adequate airflow around the subwoofer. Do not block the rear panel or place the unit in an enclosed space without proper ventilation.
• Ambiente: Evitare di esporre il subwoofer a temperature estreme, umidità o luce solare diretta.

7. Risoluzione Dei Problemi

If you experience issues with your Descend DN12 Subwoofer, consult the following table for common problems and solutions.

8. Specifiche

Detailed technical specifications for the Definitive Technology Descend DN12 Subwoofer:

9. Garanzia e supporto

Definitive Technology products are designed and manufactured to the highest quality standards. This product is covered by a limited warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Definitive Technology websito.

For technical support, service inquiries, or to purchase replacement parts, please contact Definitive Technology customer service. Contact information can typically be found on the brand's official websito o nella confezione del tuo prodotto.