DI 5.5S - Loudspeaker DEFINITIVE TECHNOLOGY - Free user manual and instructions
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| Product Type | Bipolar Surround Loudspeaker |
| Brand | Definitive Technology |
| Model | DI 5.5S |
| Speaker Design | 2-way bipolar with dual woofers and a dome tweeter |
| Drivers | 2 x 5.5" mid/woofers, 1 x 1" aluminum dome tweeter |
| Frequency Response | 50 Hz - 20 kHz |
| Impedance | 8 ohms |
| Sensitivity | 89 dB (2.83V/1m) |
| Recommended Amplifier Power | 20 - 150 watts per channel |
| Enclosure Type | Sealed (acoustic suspension) |
| Dimensions (H x W x D) | 12.5" x 6.75" x 5.25" (318 x 171 x 133 mm) |
| Weight | 6.5 lb (2.9 kg) |
| Mounting Options | Keyhole slot and 1/4"-20 threaded insert for wall bracket |
| Connections | 5-way binding posts |
| Finish | Black matte vinyl |
| Safety Features | Magnetic shielding for safe placement near CRT televisions |
| Maintenance | Dust with a soft dry cloth; avoid solvents and abrasive cleaners |
| Spare Parts & Repairability | Replacement drivers and tweeters available through authorized service centers |
| Warranty | Full 5-year warranty for loudspeaker, 2-year warranty for drivers and tweeters |
Frequently Asked Questions - DI 5.5S DEFINITIVE TECHNOLOGY
What is a bipolar speaker and how does the DI 5.5S work?
A bipolar speaker has drivers on two sides of the cabinet that radiate sound in phase, creating a diffuse sound field. The Definitive Technology DI 5.5S uses two 5.5" woofers and a 1" tweeter on opposite sound baffles to produce immersive surround effects.
Can I use the DI 5.5S as front main speakers?
Yes, it can be used as a front speaker, but it is optimized for surround channel use. For front left/right duty, consider a dedicated center or bookshelf speaker for better timbre matching.
How do I properly mount the DI 5.5S on a wall?
Use the built-in keyhole slot or a standard 1/4"-20 threaded insert. Ensure the wall can support the weight, and secure the speaker with suitable screws or a compatible wall bracket.
What speaker wire gauge should I use?
For most home theater runs, 16-gauge wire is sufficient for up to 25 feet. For longer runs or higher power, use 14-gauge or 12-gauge wire.
How far from the walls should the DI 5.5S be placed?
In wall-mounted surround applications, place the speaker about 2-3 feet from the listening position. Maintain at least 2 inches of clearance behind the speaker for proper airflow and bass response.
Is the DI 5.5S shielded for use near a television?
Yes, the DI 5.5S is magnetically shielded, so it can be placed near older CRT TVs without causing color distortion. This is not an issue with modern flat-panel TVs.
What amplifier power is recommended for the DI 5.5S?
The speaker handles 20 to 150 watts per channel. For best results, use an amplifier or A/V receiver that provides at least 40 watts to avoid clipping.
How should I clean the DI 5.5S?
Wipe the cabinet gently with a soft, dry microfiber cloth. Do not use abrasive cleaners, alcohol, or water directly on the drivers or grille.
Can I bi-wire or bi-amp the DI 5.5S?
The DI 5.5S has a single pair of 5-way binding posts, so it does not support bi-wiring or bi-amping. Use a single quality cable for each speaker.
What is the warranty coverage on the DI 5.5S?
The loudspeaker is covered by a 5-year limited warranty for the cabinet and a 2-year warranty for the drivers and tweeters. Keep your sales receipt for any claims.
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USER MANUAL DI 5.5S DEFINITIVE TECHNOLOGY
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Product information
Brand : DEFINITIVE TECHNOLOGY
Model : DI 5.5S
Category : Loudspeaker