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User Manual for QSC AD-S28Tw AcousticDesign Surface Mount Subwoofer Click to enlarge the picture
Contents of the user manual for the QSC AD-S28Tw AcousticDesign Surface Mount Subwoofer
- Product category: Installed Speakers QSC
- Brand: QSC
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for QSC Installed Speakers
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User manual for the QSC AD-S28Tw AcousticDesign Surface Mount Subwoofer contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any QSC product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official QSC user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a QSC product will considerably shorten its lifespan!
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Product description The AD-S28Tw, part of the AcousticDesign series from QSC, is a professional-quality surface mount subwoofer designed to provide low frequency enhancement to ceiling or surface mount AD-series speakers. The subwoofer has a marine-grade plywood cabinet that houses a pair of 8" polypropylene woofers. The cabinet has a dual chamber ported bandpass design with a large port to extend low frequency response.
The subwoofer has a defeatable passive 120Hz low-pass filter with impedance compensation and a 70/100V multi-tap transformer that can also be bypassed for use with 8 ohm speaker systems, making it extremely versatile. The subwoofer can be mounted in a number of ways; freestanding with the included rubber feet, or suspended via forged-shoulder eyebolts or the included steel yoke. - Ideal companion for AD-series speakers
- Marine-grade plywood cabinet provides exception resistance to humidity. It also features a zinc-plated steel grille, molded ABS endcaps, and a rotatable logo
- Pair of 8" polypropylene woofers provide clear, strong bass and are protected for humid environments
- Dual chamber bandpass design features one sealed chamber and one ported chamber to provide efficient, tight bass with excellent low frequency extension
- Defeatable passive 120Hz low-pass filter with impedance compensation
- High power handling capability of 250W continuous/700W peak
- The 70/100V multi-tap transformer has an 8 ohm bypass mode and standard screw terminal connectors, allowing you to connect the subwoofer to virtually any professional sound system
- Rubber feet, forged-shoulder eyebolts, and a steel yoke give you a variety of mounting options
UPC: 684284053992 In the Box QSC AD-S28Tw AcousticDesign Surface Mount Subwoofer Steel Yoke Mount Suspension Hardware Kit Grille Backing Cloth 3-Year Limited Warranty Guides & Manuals Table of Contents
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Technical parametersQSC AD-S28TW Specs | Type | Surface Mount Bandpass Subwoofer, Ported | | Driver | 2 x 8" (200mm) Weather-Resistant Polypropylene Cone Woofers with Rubber Surrounds | | Frequency Response | 42-165Hz (-6dB)
36-205Hz (-10dB) | | Filter | 120Hz Low-Pass, Passive, Bypassable | | Maximum Sound Pressure Level (SPL) | 124dB/118dB (Peak/Continuous, 2pi Half Space)
118dB/112dB (Peak/Continuous, 4pi Full Space) | | Impedance | 8 Ohms | | Power Rating | 250W RMS (Continuous)
500W RMS (Max Recommended Amp Power) | | Sensitivity | 94dB, 2.83V, 1 m, Half Space (2pi) | | Transformer | Custom Low-Distortion Laminated Core, Wide Bandwidth Design
70V Taps: 200, 100, 50, and 25W
100V Taps: 200, 100, 15W
Switch-Selectable 8 Ohm Bypass Mode | | Connectors | 4-Position Screw Terminal Barrier Strip (2 In, 2 Out) | | Construction | Marine-Grade Plywood with ABS Endcaps and Steel Grille, Textured Black Paint Finish | | Environmental | Exceeds Mil Spec 810 for Humidity, Salt Spray and Dust
IEC 60529 IP-X4 Splash Rating | | Mounting | Black Powder-Coated Steel Yoke with Attachment Hardware
Black Zinc-Coated Forged Shoulder Steel M6 Eyebolts
Black Powder-Coated Steel Shear Plates with Attachment Hardware
Black Rubber Feet with Integral Threaded Bolt | | Dimensions (HxWxD) | Not Specified by Manufacturer | | Weight | 43 lbs (19.5kg) / 55 lbs (25kg) | | | | Package Weight | 53.0 lb | | Box Dimensions (LxWxH) | 29.0 x 20.0 x 14.75" |
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