background image

EN

iMporTAnT SAfeTy precAUTionS

1 - Read these instructions.
2 - Keep these instructions.
3 - Heed all warnings.
4 - Follow all instructions.
5 - Clean only with a dry cloth.
6 - Install in accordance with all QSC instructions and documentation. Suspension and mounting should be attempted only by those 
who are trained and skilled in safe suspension and mounting practices
7 - Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that 
produce heat.
8 - Only use attachments/accessories from QSC Audio Products, LLC.
9 - Use only with mounts or brackets specified by QSC Audio Products, LLC.
10 - Refer all servicing to qualified personnel. Servicing is required when the apparatus has been damaged in any way.

The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence 

of uninsulated “dangerous” voltage within the product’s enclosure that may be of sufficient magnitude to constitute a 

risk of shock to humans.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating 

and maintenance (servicing) instructions in this manual.

WARNING! Before placing, installing, rigging or suspending any loudspeaker product, inspect all hardware, 

suspension, cabinets, transducers, brackets and associated equipment for damage. Any missing , corroded, 

deformed, or non-load rated component could significantly reduce the strength of the installation and should 

be immediately corrected. Use only hardware which is rated for the loading conditions of the installation 

and any possible short-term unexpected overloading. Never exceed the rating of the hardware or equip-

ment. Consult a licensed, professional engineer when any doubt or questions arise regarding a physical 

equipment installation.

Warranty 

(USA only; other countries, see your dealer or distributor)

Disclaimer

QSC Audio Products, LLC is not liable for any damage to amplifiers or any other equipment that is caused by negligence or improper installation 

and/or use of this loudspeaker product.

QSC Audio Products 3 Year Limited Warranty

QSC Audio Products, LLC (“QSC”) guarantees its products to be free from defective material and/or workmanship for a period of three (3) years 

from the date of sale and will replace defective parts and repair malfunctioning products under this warranty when the defect occurs under normal 

installation and use - provided the unit is returned to our factory or one of our authorized service stations via prepaid transportation with a copy 

of proof of purchase (i.e., sales receipt). This warranty provides that the examination of the returned product must indicate, in our judgement, a 

manufacturing defect. This warranty does not extend to any product which has been subjected to misuse, neglect, accident, improper installation , 

or where the date code has been removed or defaced. QSC shall not be liable for incidental and/or consequential damages. This warranty give you 

specific legal rights. This limited warranty is freely transferable during the term of the warranty period.

Customer may have additional rights, which vary from state to state.

In the event that this product was manufactured for export and sale outside of the United States or its territories, then this limited warranty shall 

not apply. Removal of the serial number on this product, or purchase of this product from an unauthorized dealer will void this limited warranty.

Periodically, this warranty is updated. To obtain the most recent version of QSC’s warranty statement, please visit www.qscaudio.com.

Contact us at 800-854-4079 or visit our website at www.qscaudio.com.

© Copyright 2008, QSC Audio Products, LLC

QSC® is a registered trademark of QSC Audio Products, LLC

“QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office

All trademarks are the property of their respective owners.

2

Summary of Contents for AcousticDesign AD-S28Tw

Page 1: ...EN AcousticDesignTM Surface mount Loudspeaker User Manual AD S28Tw Dual 200 mm 8 in Bandpass Subwoofer TD 000287 00 B TD 000287 00 A...

Page 2: ...nly other countries see your dealer or distributor Disclaimer QSC Audio Products LLC is not liable for any damage to amplifiers or any other equipment that is caused by negligence or improper installa...

Page 3: ...pass filter The marine grade plywood enclosure may be used in floor standing as well as yoke mounted and suspended applications What s Included Your surface mount subwoofer includes the loudspeaker c...

Page 4: ...helf standing it is recommended that the rubber feet be attached For suspended installations the enclosure can be attached with flypoints or the included yoke bracket The enclosure can be oriented in...

Page 5: ...ints using a 2 phillips head screw driver or electric driver Remove only the two screws that will be used for the attachment of the yoke DO NOT REMOVE ANY OTHER SCREWS If a screw hole is left open it...

Page 6: ...consult the follow ing illustrations to understand each orientation and pay careful attention to which attachment points are correct Any unused attachment point can be used as a safety seismic second...

Page 7: ...ome cases one or more of the attachment points is not on a cabinet side that is facing up In these cases DO NOT USE AN EYEBOLT In this position the eyebolt will be in shear and the eyebolt is greatly...

Page 8: ...ess loss When using high impedance drive the internal transformer on the AD S28Tw MUST be engaged To do this rotate the tap selector switch so that it is aligned with one of the four three for 100V tr...

Page 9: ...orted surface mount Enclosure Construction Marine grade plywood Environmental IEC 60529 IP x4 rated against dust and water incursion Not recommended for outdoor installation without adequate cover Fin...

Page 10: ...D S28Tw Dimensions 254 mm 10 0 50 mm 1 9 574 mm 22 6 394 mm 15 5 10 mm 0 4 125 mm 4 9 251 mm 9 9 404 mm 15 9 109 mm 4 3 114 mm 4 5 574 mm 22 6 288 mm 11 3 125 mm 4 9 251 mm 9 9 404 mm 15 9 603 mm 22 7...

Page 11: ...EN AD S28Tw Yoke Dimensions 18 mm 0 7 400 mm 15 75 28 mm 1 1 64 mm 2 5 127 mm 5 0 405 mm 15 9 203 mm 8 0 13 mm 0 5 11...

Page 12: ...A Telephone Numbers Main Number 714 754 6175 Sales Marketing 714 957 7100 or toll free USA Only 800 854 4079 Customer Service 714 957 7100 or toll free USA Only 800 772 2834 Facsimile Numbers Sales Ma...

Reviews: