Soundstream Technologies EXC 12 User Manual

SUBWOOFER  
CONGRATULATIONS! You have chosen a superior product for reproducing  
true high fidelity in the car. This precision component, when properly  
installed, is capable of audiophile-quality performance. The EXC 8,10 and  
12 woofers are well suited for sealed, vented, and sealed band-pass  
enclosures. They also work well in infinite baffle installations at one-half the  
power rating.  
Should your woofer ever require service or replacement, recording the  
information below for your own records will help protect your investment.  
Model Number:  
Serial Number:  
Dealer's Name:  
Date of Purchase:  
Installation Shop:  
Installation Date:  
SUBWOOFERS  
DESIGN FEATURES  
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Installation Flexibility - The EXC woofers perform well in smaller-sized sealed, vented  
and band-pass enclosures. Regardless of the application, the EXC woofers perform!  
Heavy Cast Aluminum Frame provides extra rigidity and damping with Silver Powder  
Coat Finish for durability and scuff resistance.  
OWNER'S MANUAL AND  
INSTALLATION GUIDE  
Ultra-High power handling Voice Coil with Black Anodized Aluminum Former  
increases power handling and performance. Aerospace grade adhesives and  
materials insure longevity and high performance.  
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High Excursion Design - The EXC woofer offers an Extra Long Voice Coil for extra  
high output. New Ultra-Excursion Surround enables this.  
Computer Numerically Controlled (CNC) machined magnet plates and pole piece  
precisely focus the magnetic energy for optimum performance. High Emissivity  
Coating for improved power handling and lower distortion.  
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Vented Pole Piece for greater voice coil cooling.  
Rubber Magnet Cover for added durability and exceptional appearance.  
Custom-designed High Strength Spider controls the long travel cone assembly.  
Gold Plated 8 Gauge Terminals ensure consistently outstanding connectivity for cable  
hook up.  
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Designed and Manufactured in the U.S.A.  
2
SELECTING AN ENCLOSURE  
Sealed Band-pass Enclosure  
BUILDING THE ENCLOSURE  
Sealed band-pass enclosures enclose both sides of the woofer(s). An  
airtight enclosure is built around the front and back of the woofer and  
one chamber is ported to a specific frequency.  
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·
Determine the dimensions of your enclosure.  
Be certain the box you have designed will fit into the location you  
have chosen. Sometimes making a cardboard box with the same  
outside dimensions is helpful.  
Pros  
Cons  
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Use 3/4 inch thick Medium Density Fiberboard (MDF) or High  
Density Particleboard. It is preferable to cut the wood with a table  
saw to ensure straight, even joints. If a table saw is not available,  
a circular saw is acceptable.  
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High power handling  
within the operating  
frequencies  
Very high output  
within the range of  
the operating  
·
Low power handling  
beyond the tuning  
frequency  
Poor to moderate  
transient response  
Poor low frequency  
extension  
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Use a "T' square to verify precise right angle gluing.  
Use a high quality wood glue and air nails or wood screws to  
assemble the enclosure. Elmer'sâ woodworker's glue and  
Weldwoodâ work well. To guarantee an airtight box, seal each  
inside joint with silicone sealant.  
frequencies  
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For Sealed Enclosures, stuff the chamber with 50-75% filling  
(approximately 1.5 pounds per cubic foot) of fiberglass insulation  
or Dacronâ .  
CALCULATING NET INTERNAL ENCLOSURE VOLUMES  
When constructing any type of enclosure, you must be aware that the  
outside dimensions DO NOT represent the true (Net) volume inside.  
Such things as woofers, ports, thickness of enclosure material, dividing  
walls, and any internal bracing will reduce the total amount of the actual  
air space available. The following worksheet has been designed to  
provide you with the necessary steps to accurately calculate the absolute  
(Net) internal volume of any given enclosure.  
For Vented Enclosures, staple 1-inch thick fiberglass insulation or  
Dacronâ to all walls of the enclosure except the baffle to which  
the woofer is mounted.  
Use the eight (8) wood screws or T-nuts and bolts to seal the  
woofer in the enclosure. Progressively tighten each of the bolts or  
screws to prevent warping the woofer frame.  
Calculating Cylindrical Port Volume  
1. Measure the outside diameter of the port and divide by 2 for the  
radius.  
2. Square the radius and multiply by 3.14 (pi) to arrive at outside port  
area.  
3. Multiply the area by the length of  
the port inside the enclosure for the  
port volume.  
5
6
Infinite Baffle  
Infinite Baffle  
. Excellent performance for all types of music at moderate levels  
. Excellent performance for all types of music at moderate levels  
100  
95  
100  
Sealed  
·
95  
Sealed  
.5 ft3 Good overall enclosure.  
90  
·
.5 ft3 Good overall enclosure.  
90  
85  
80  
75  
70  
65  
60  
85  
80  
75  
70  
65  
60  
Good for classical and jazz.  
Good for classical and jazz.  
10  
100  
1000  
10  
100  
1000  
Frequency Hz  
Frequency Hz  
100  
95  
90  
85  
80  
75  
70  
65  
60  
100  
95  
90  
85  
80  
75  
70  
65  
60  
Vented  
.5 ft3 @ 33Hz (2" x 11.25"  
Vented  
·
.75 ft3 @ 30Hz (3" x 20.75"  
·
port) Good overall  
enclosure.  
port) Good overall  
enclosure.  
10  
100  
1000  
10  
100  
1000  
Frequency Hz  
Frequency Hz  
100  
95  
90  
85  
80  
75  
70  
65  
60  
Sealed Bandpass  
·
·
Sealed Bandpass  
100  
95  
90  
85  
80  
75  
70  
65  
60  
Rear = 0.3 ft3 sealed  
Front = 0.3 ft3 @ 60 Hz (3" x  
12.0" port) - Very high  
output, excellent for Rock or  
Rap.  
·
Rear = 0.5 ft3 sealed  
·
Front = 0.5 ft3 @ 55 Hz (3" x  
7.85" port) - Very high output,  
excellent for Rock or Rap.  
10  
100  
1000  
Frequency Hz  
10  
100  
1000  
Frequency Hz  
7
8
Infinite Baffle  
. Excellent performance for all types of music at moderate levels  
Sealed  
·
105  
1.25 ft3 Good overall  
enclosure. Good for classical  
and jazz.  
100  
95  
90  
85  
80  
75  
70  
65  
10  
100  
1000  
Frequency Hz  
105  
100  
95  
Vented  
2.0 ft3 @ 25Hz (3" x 10.00"  
·
port) Good overall  
90  
enclosure.  
85  
80  
75  
70  
65  
10  
100  
1000  
Frequency Hz  
Sealed Bandpass  
·
·
105  
100  
95  
Rear = 0.8 ft3 sealed  
Front = 0.8 ft3 @ 60 Hz (4" x  
9.125" port) - Very high  
output, excellent for Rock or  
Rap.  
90  
85  
80  
75  
70  
65  
10  
100  
1000  
Frequency Hz  
1550 Maple Ave. Montebello, California  
90640 USA  
Phone: (323) 724-4600 Fax: (323) 722-8125  
9

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