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SPL15 and SPL160 SUBWOOFER 

 

CONGRATULATIONS!

  You have chosen a superior product for 

reproducing high levels of "Sound Pressure Level" in the car.  This precision 
component, when properly installed, is capable of amazing output 
performance.  The SPL15 and SPL160 woofers are well-suited for sealed, 
vented, and sealed bandpass 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: _________________________________________________________ 

 

DESIGN FEATURES 

 

Long Excursion Design -- The SPL woofers use high performance components and the 
New Ultra-Excursion Surround to achieve extra long excursion for high output and deep 
bass.   

Heavy Cast Aluminum Basket on the SPL160 and Heavy Gauge Steel Basket on the 
SPL15 
provide extra rigidity and damping. 

Textured Blue Powder Coating ensures durability and lasting superb good looks. 

Ultra-High power handling Voice Coil with Glass Polymide Former increases power 
handling and performance.  Aerospace grade adhesives and materials insure longevity and 
high performance. 

Dual Voice Coil Inputs for increased flexibility in optimizing installations. 

Computer Numerically Controlled (CNC) machined magnet plates and pole piece 
precisely focus the magnet energy for optimum performance. 

High Emissivity Coatings  on pole and top plates improve power handling. 

Double Magnet Structures for powerful, well-controlled output. 

Vented Pole Piece for greater voice coil cooling. 

Custom-designed High Strength Spider controls the long travel cone assembly. 

Gold Plated 8 Gauge Terminals ensure consistently outstanding connectivity for cable 

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and home theater applications.  

 
 
SUGGESTED ENCLOSURES (Continued) 
 
 
Sealed Bandpass 

Enclosure #56 

Rear = 4.7 ft

3

 sealed 

Front = 3.5 ft

3

 @ 50 Hz  (Four 4" x 7.5" ports) - Very high 

output for Rock or Rap music. 

 

Enclosure #57 

Rear = 2.8 ft

3

sealed 

Front = 2.3 ft

3

 @ 61 Hz (Three 4" x 5.25" ports)- Very high output with good 

low frequency extension.  Good for Rock or Rap music. 

 

Enclosure #58 

Rear = 1.5 ft

sealed 

Front = 2.3 ft

@ 75Hz (Four 4" x 3.5" ports) - Super high output.  Great for 

Rap music. 

 
 

 

Summary of Contents for SPL 15

Page 1: ... i E S SOUNDSTREAM TECHNOLOGIES 120 Blue Ravine Road l Folsom l California 95630 USA tel 916 351 I 288 fax 916 351 0414 REV A 7 22 97 Subwoofers I t 1 OWNER S MANUAL AND i I INSTALLATION GUIDE b UNDSTREAM T E C H Iv 0 L O G I E S ...

Page 2: ... Heavy Cast Aluminum Basket on the SPL160 and Heavy Gauge Steel Basket on the SPL15 provide extra rigidity and damping Textured Blue Powder Coating ensures durability and lasting superb good looks Ultra High power handling Voice Coil with Glass Polymide Former increases power handling and performance Aerospace grade adhesives and materials insure longevity and high performance Dual Voice Coil Inpu...

Page 3: ...sion Good small enclosure 4 0 ft3 32 Hz Three 4 x 16 ports High output with excellent low frequency extension Great for Rock music 3 Frequency Response Hz 25 500 25 500 Sensitivity 2 83v 1m 95 dB 96 dB Impedance nominal Z ohms 2 2 Rated Program Power Watts 400 800 Fs Hz 25 28 Qts 33 33 Qms 6 80 7 82 Qes 35 35 Vas ft3 7 98 7 24 Vas liters 226 205 Vas m3 226 205 Cms um N 201 183 DCR ohms 1 68 2 01 L...

Page 4: ...rmance resembles that of an infinite baffle installation Vented Enclosure Vented enclosures use a sealed enclosure with a vent or port in the box Pros Cons Good low frequency exten sion down to the tuning fre quency High power handling down to the tuning frequency Higher output than sealed enclosures Low power handling below the tuning fre quency Almost no output below the tuning fre quency Pros C...

Page 5: ...E 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 ...

Page 6: ...tuff the chamber with 50 75 filling approximately 1 5 pounds per cubic foot of fiberglass insulation or Dacron For Vented Enclosures staple 1 inch thick fiberglass insulation or Dacron to all walls of the enclosure except the baffle to which the woofer is mounted Use the supplied gasket to seal the woofer in the enclosure and eight 8 wood screws or T nuts and bolts Progressively tighten each of th...

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