QSC Audio Portable Speaker AD S32T User Guide

AcousticDesign™ Multi-Use Loudspeaker  
AD-S32T  
All-Weather 80 mm (3.1”) two-way with shielded woofer and neodymium tweeter  
with 70V/100V transformer equipped (bypassable)  
*TD-000139-00*  
TD-000267-00 rev.A  
 
Introduction  
Thank you and congratulations on your purchase of the AcousticDesignAD-S32T multi-  
use, weather resistant loudspeakers. These products represent the state-of-the-art in all-  
weather, lightweight SR (sound reinforcement) loudspeaker systems. To get the most from  
your investment, we encourage you to review this manual carefully.  
The AD-S32T loudspeaker systems are full range, high output, two-way designs delivering  
superior sound quality and high SPL in a lightweight, weather resistant enclosure. The low  
frequency driver is magnetically shielded and the neodymium high frequency driver has  
very little stray magnetic field, making the AD-S32T perfect for use near video monitors.  
The included ball mount and yoke mount provide secure and versatile installation. These  
loudspeakers make an excellent choice for a wide variety of SR applications.  
AD-S32T models have a 70V/100V matching transformer and tap selector switch. The  
transformer may be bypassed.  
The illustration (at right) highlights product features:  
1- one set of threaded inserts for yoke mount (top and bottom)  
2- transformer tap selector  
3- screw terminal style input connectors  
4- ball mount attachment point (ball mount removed)  
5- safety cable attachment point  
What’s Included  
The carton contains:  
•AD-S32T loudspeaker assembly (2 each)  
•Ball mount assembly (2 each)  
•Input cover (2 each)  
•Input cover gasket (2 each, may be part of cover)  
•Input strain relief bushing (2 each, may be part of cover)  
•#6-32 x 1/2 long, 4 each pan head Phillips screw (for terminal covers)  
•This User Manual  
•Yoke mount (2ea)  
•Yoke mount knobs (4ea)  
Mounting  
Stand Alone Mounting  
If using the loudspeaker only (no ball mount or yoke mount) the loudspeaker can be set on  
any appropriate surface. The cabinet will lean back at a slight angle when set on a flat sur-  
face.  
When operated at high output levels, the cabinet can vibrate, causing the cabinet to move  
or creep if set on a hard surface.  
Safety Cable Attachment  
On the back of the loudspeaker, near the bottom, is a safety cable attachment point.  
Install a safety cable strong enough to support several times the weight of the loud-  
speaker assembly in the event it may fall. The safety cable should be no more that 1 foot  
in length and provide at least 6" in slack.  
IMPORTANT! ENSURE THAT THE LOUDSPEAKER IS MOUNTED PROPERLY  
AND A SAFETY CABLE IS INSTALLED TO RETAIN THE LOUDSPEAKER IN  
THE EVENT OF A MOUNTING FAILURE.  
Attach safety  
cable here.  
 
Mounting (continued)  
Ball Mount Adapter  
The included ball mount adapter can be attached to almost any flat  
surface. To use the wall mount adapter, secure the wall adaptor using  
four to six screws. Ensure the mounting surface is sufficiently strong to  
support the loudspeaker and any vibration or seismic activity.  
•Connect the shaft of the mount to the speaker. Tighten the locking  
nut.  
•Connect the wiring to the loudspeaker and install the terminal cover,  
if desired.  
•Snap the ball mount into the wall adaptor.  
•Adjust the angle of the loudspeaker and tighten the knob fully.  
The ball mount can also be installed in the top or bottom of the enclosure for  
special application use by removing the plastic plugs from the yoke mount screw  
holes and following steps above.  
Yoke mount  
Secure the yoke mount to the mounting surface. Attach the loudspeaker to the  
yoke mount using the retaining knobs provided. Aim the loudspeaker and tighten  
the knobs securely.  
Safety Cable Attachment  
On the back of the loudspeaker, near the bottom, is a safety cable attachment  
point. Install a safety cable strong enough to support several times the weight of  
the loudspeaker assembly in the event it may fall. The cable must be secured to a  
secondary support point which is also strong enough to support several times the  
loudspeakers weight. The safety cable should not be attached to the primary  
mount.  
Connection  
AD-S32T  
On the AD-S32T you must set the transformer tap selector  
switch to the appropriate setting before applying audio signals.  
Terminations  
The terminals will accept:  
•bare wire (up to 0.10” or 2.59 mm diameter)  
•spade lug terminals  
Input Connection Cover (wire termination only)  
The loudspeaker includes a weather resistant cover for the input terminals.  
For proper sealing, the cable jacket must be round (or close to round) and be  
between 0.12” (3mm) and 0.2” (5mm) outside diameter.  
•Pass the wires through the compression nut, gasket, and cover.  
•Loosen the terminal screws.  
•Strip the wires 0.39” (10mm) and insert under the screw terminal.  
•Tighten screws.  
•Slide the cover over the terminals and secure using the two machine  
screws provided.  
• Ensure gasket is seated properly; tighten compression nut.  
To assure weather-tight connections, make sure the  
Input Cover fits flush against the loudspeaker cabinet,  
all gaskets are properly placed, and hardware is tightened  
sufficiently. Use of the Input Cover may require the use of  
smaller wire sizes for proper fits.  
NOTE! You cannot use spade lugs when  
the Input Connection Cover is used. Connect  
the wires directly to the terminals if using the  
Input Cover.  
4
 
Wiring  
Connect the amplifier’s + and - outputs directly to the loudspeaker’s + and - termi-  
nals. The screw terminals accept wire or spade terminals. Use only wire connec-  
tions when using the input cover. The terminals are spaced (0.38”) (9.66 mm).  
Maintain proper speaker and amplifier connection polarity  
throughout the entire system. All positive-marked loudspeaker ter-  
minals should be connected to positive-marked amplifier output  
terminals. This will provide the best possible low-frequency out-  
put from your system.  
AMPLIFIER  
AD-S32T 70V/100V Transformer Tap Selection  
AD-S32T models are equipped with a 70V/100V matching transformer for distributed audio systems. There is a transformer tap  
selector switch on the rear panel for setting the power level of the loudspeaker. The switch may also be set for  
8 ohm operation, bypassing the transformer completely.  
To select the power level, align the slot with the desired power setting number. Use a coin or flat tip  
screwdriver to operate the switch.  
70V distributed systems: use the right side markings. Select from 3.8, 7.5, 15, or 30 watts.  
100V distributed systems: use the left side markings. Select from 7.5, 15, or 30 watts. the “X” position  
should not be used.  
NOTE! 8 ohm setting should be used for 8 ohm audio systems only.  
Do not use 8 ohm setting when connecting the AD-S32T loud-  
speaker to 70V/100V distributed audio systems.  
Painting the Loudspeaker  
The loudspeaker enclosure, grill, and mount can be painted to match any decor, provided the following precautions are observed.  
The cabinet is made of high impact polystyrene which requires controlled painting procedures in order to obtain good results. Use a  
paint “system” designed for high impact polystyrene from any reputable paint supplier.  
1- Remove the grill.  
2- If painting mount and loudspeaker as a unit: Attach the ball mount or yoke mount.  
3- Mask the loudspeaker’s input connector.  
4- Mask the woofer, tweeter, and port being certain not to apply tape directly to the drivers. Alternatively, the outside of the grill can  
be completely masked and set in place on the loudspeaker enclosure for painting.  
5- Wash the components to be painted with a mild soap and hot water. Be careful not to get water on or into either of the drivers or  
the input connections. Rinse with hot water. Allow to dry thoroughly.  
6- Scuff-sand the components to be painted using red Scotchbrite® pad or 320 - 400 grit sandpaper.  
7- Using compressed air, remove all dust from the components to be painted. Do not blow compressed air directly into either driver.  
8- Clean the components to be painted.  
9- Using a clean, lint-free, white cloth, wipe the components to be painted with suitable prep solution.  
10- Apply primer topcoat.  
12- Apply paint.  
13- Allow to dry according to paint instructions before handling.  
 
Specifications  
1
Frequency Response :  
80- 20k Hz (-6 dB)  
75hz -20k Hz (-10dB)  
Drivers:  
low frequency- 3” (762 mm) magnetically shielded  
high frequency- 3/4” titanium dome, neodymium magnet structure  
2
Maximum Output :  
(calculated)  
99 dB SPL continuous rms output  
106 dB SPL peak output  
Impedance:  
8 ohms nominal  
6.7 ohms minimum, 300 Hz  
31 ohms maximum, 150 Hz  
3
Power Rating :  
rms (IEC 100 hrs):  
recommended amp power:  
30 watts rms  
60 watts rms  
Sensitivity:  
85 dB, 1 watt, 1 meter, free field (4 pi)  
Directivity Index:  
500 Hz  
2.5  
1000 Hz  
2000 Hz  
4000 Hz  
8000 Hz  
10000 Hz  
500 Hz  
1000 Hz  
2000 Hz  
4000 Hz  
8000 Hz  
10000 Hz  
4.5  
7.0  
7.0  
2.3  
11.4  
1.77  
2.8  
5.0  
5.0  
Q:  
5.35  
13.8  
Weight per pair:  
Nominal Coverage:  
Enclosure and Grill:  
Connectors:  
AD-S32T: 4.0 lb. net, 10 lb. shipping  
100° horizontal. x 60° vertical  
high impact polystyrene, removable aluminum grill  
Screw terminal connector for wire, bare wire or spade lugs.  
Included: Ball mount adapter with wall plate and yoke mount with retaining knobs.  
Mounting Hardware:  
NOTES:  
1- All frequency ranges specified refer to measured free-field response (4 pi).  
2- Calculated maximum peak SPL at 1 m, free-field, speaker operating at rated rms power pink noise input, 50 Hz to 20 kHz.  
3- Maximum input power tested in accordance with IEC recommendations; 50 Hz to 20 kHz band limiting, 6 dB signal crest factor.  
Specifications are subject to change without notice.  
6
 
Dimensions  
 
Dimensions (continued)  
 
How to Contact QSC Audio Products  
Cómo comunicarse con QSC Audio Products  
Comment prendre contact avec QSC Audio Products  
Kontaktinformationen für QSC Audio Products  
联系 QSC Audio Products  
Mailing address:  
QSC Audio Products, Inc.  
1675 MacArthur Boulevard  
Costa Mesa, CA 92626-1468 USA  
Telephone Numbers:  
Main Number  
(714) 754-6175  
Sales & Marketing  
Customer Service  
(714) 957-7100 or toll free (USA only) (800) 854-4079  
(714) 957-7150 or toll free (USA only) (800) 772-2834  
Facsimile Numbers:  
Sales & Marketing FAX  
Customer Service FAX  
(714) 754-6174  
(714) 754-6173  
World Wide Web:  
QSC Audio Products, Inc. 1675 MacArthur Boulevard Costa Mesa, California 92626 USA  
©2007, “QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office.  
 

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