QSC AcousticDesign AD-S28Tw Handleiding

QSC Subwoofer AcousticDesign AD-S28Tw

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AcousticDesignTM Surface-mount Loudspeaker User Manual

AD-S28Tw

Dual 200 mm (8 in) Bandpass Subwoofer

TD-000287-00-B

*TD-000287-00-A*

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.

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.

Introduction

Congratulations and thank you for your purchase of this subwoofer. The AD-S28Tw model offers excellent acoustic perfor-

mance in an easy-to-install and attractive enclosure. Please review these instructions and carefully follow the recommenda-

tions. Consult a licensed installation professional if you are uncertain about any mounting issues.

The AD-S28Tw features dual 8” (200 mm) low frequency (LF) drivers in a ported bandpass enclosure. The AD-S28Tw is

equipped with an audio transformer suitable for 70V and 100V distributed systems, as well as a tap-selector switch which

can bypass the transformer for 8 ohm applications. The AD-S28Tw also includes a bypassable 120Hz low 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 cabinet with grille

- extra grille backing foam sheet

- steel yoke bracket

- steel suspension point shear plates (x3)

- steel M6 forged shoulder eyebolts (x4)

- hex head / phillips-head M6 bolts (x3)

- ﬂat washers (x4)

- rubber yoke mounting gaskets (x2)

- rubber feet with integrated attachment bolts (x4)

Features

1 - Marine grade plywood enclosure, painted

2 - ABS grille endcaps

3 - Steel grille with foam backing

4 - Rotatable QSC logo badge

5 - Integrated M6 suspension points

6 - Input cup with rotating door (see detail)

7 - Rubber feet (shown attached)

8 - Service access panel

9 - Low Pass Filter Switch

10 - Transformer tap switch

11 - Input cup door (shown in open position)

12 - Input screw terminals

910

Product specificaties

Merk:	QSC
Categorie:	Subwoofer
Model:	AcousticDesign AD-S28Tw
Kleur van het product:	Zwart
Gewicht:	19500 g
Breedte:	- mm
Diepte:	- mm
Hoogte:	- mm
Gewicht verpakking:	25000 g
Type verpakking:	Doos
Connectiviteitstechnologie:	Bedraad
Gemiddeld vermogen:	250 W
Aanbevolen gebruik:	Universeel
Impedantie:	8 Ohm
Audio-uitgangskanalen:	- kanalen
Speaker plaatsing:	Tafelblad/Boekenplank
Diameter driver:	200 mm
Frequentiebereik:	42 - 165 Hz
Gevoeligheid:	94 dB
Signaal/ruis-verhouding:	124 dB
Aanbevolen versterkingskracht (max):	500 W