AC-S6T - Loudspeaker QSC - Free user manual and instructions
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| Product Type | Ceiling Loudspeaker |
| Brand | QSC |
| Model | AC-S6T |
| Woofer Size | 6.5 inches |
| Tweeter Size | 1 inch |
| Power Handling (Continuous) | 60 W |
| Power Handling (Program) | 120 W |
| Impedance | 8 ohms (nominal) |
| Transformer Taps (70V/100V) | 60W, 30W, 15W, 7.5W |
| Frequency Response (-10 dB) | 65 Hz - 20 kHz |
| Sensitivity (1W/1m) | 90 dB |
| Coverage Angle (Conical) | 90 degrees |
| Grille Material | Perforated steel, white finish |
| Dimensions (Diameter x Depth) | 10.2 x 9.4 inches (259 x 239 mm) |
| Cutout Diameter | 8.9 inches (226 mm) |
| Weight | 5.4 kg (11.9 lbs) |
| Mounting | Ceiling tile or drywall, with included C-ring |
| Protection | Overload and thermal protection |
| Environmental | Indoor use only |
| Certifications | UL 1480, ROHS |
| Included Accessories | Grille, C-ring, tile support rails, paint mask |
| Optional Accessories | MBB-6S backbox, MBB-6T tile bridge |
Frequently Asked Questions - AC-S6T QSC
What is the recommended amplifier power for the AC-S6T?
For optimal performance, use an amplifier capable of delivering 60W continuous per channel at 8 ohms. In 70V/100V systems, set the transformer tap to match the amplifier's power output.
Can the AC-S6T be used outdoors?
No, the AC-S6T is designed for indoor use only. Exposure to moisture or extreme temperatures may damage the speaker.
How do I install the speaker in a ceiling tile?
Cut a 8.9-inch (226 mm) hole in the tile, insert the C-ring, secure the tile support rails, then attach the speaker to the C-ring using the provided screws. Finally, snap on the grille.
What is the difference between 8-ohm and 70V wiring?
In 8-ohm mode, the speaker is connected directly to the amplifier. In 70V mode, use the built-in transformer and select a tap (e.g., 60W, 30W) for daisy-chaining multiple speakers on a high-voltage line.
What is the frequency response of the AC-S6T?
The frequency response is 65 Hz to 20 kHz at -10 dB, making it suitable for full-range background music and paging applications.
Does the speaker include a backbox?
No, the AC-S6T is a open-back design. For improved bass response and fire-code compliance, you can order the optional MBB-6S backbox.
How do I clean the grille?
Use a soft, dry cloth to dust the grille. Avoid abrasive cleaners or liquids, as they may damage the finish. The grille is paintable with standard spray paint.
What is the coverage angle of the speaker?
The AC-S6T has a conical coverage angle of 90 degrees, ensuring even sound distribution in the listening area.
Can I use the speaker in a 100V system?
Yes, the AC-S6T supports both 70V and 100V distributed audio systems. Select the appropriate transformer tap (60W, 30W, 15W, or 7.5W) for your system.
What is the warranty on the AC-S6T?
QSC provides a 6-year limited warranty on the AC-S6T. For details, refer to the official warranty policy or contact QSC support.
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USER MANUAL AC-S6T QSC
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Product information
Brand : QSC
Model : AC-S6T
Category : Loudspeaker