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SPL10, SPL12 AND SPL15 SUBWOOFERS
CONGRATULATIONS! You have chosen a superior product for
reproducing high "Sound Pressure Levels" in the car. This precision
component, when properly installed, is capable of amazing output
performance. The SPL10, SPL12 and SPL15 woofers are extremely high
output speakers with performance made possible through outstanding design
and exceptional quality in parts and construction.
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 Designs -- 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 Gauge Steel Baskets provide extra rigidity and damping.
• Silver Powder Coating ensures durability and lasting good looks.
• Ultra-High power handling Voice Coils with Kapton/Epoxy formers increase 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 magnetic energy for optimum performance.
• High Emissivity Coatings on all steel plates improve power handling.
• Large Magnet Structures for powerful, well-controlled output.
• Vented Pole Pieces for greater voice coil cooling.
• Custom-designed High Strength Spiders control the long travel cone assembly.
11
Vented (V)
Sealed
Bandpass
Sealed (Cont'd)
• 3.0 ft
3
- Good linear
response, excellent
all around enclosure.
Vented
• 2.0 ft
3
@ 50 Hz
(Three 4" x 12.25"
ports) - High output
with good low
frequency extension.
Good small
enclosure.
• 3.0 ft
3
@ 40 Hz
(Three 4" x 13"
ports) - High output
with excellent low
frequency extension.
Great for Rock
music or home
theater applications.
• 4.0 ft
3
@ 30 Hz
(Three 4" x 18.75"
ports) - High output
with low frequency
extension. Great for
Rock music or home
theater applications.
Sealed Bandpass
• Rear = 3.0 ft
3
sealed
• Front = 2.2ft
3
@ 55
Hz (Three 4" x 6.75"
ports) - High output
with good low
frequency extension.
Good for Rock or
Rap.
• Rear = 1.5 ft
3
sealed
• Front = 2.2 ft
3
@
72Hz (Four 4" x 5"
ports) - Very high
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10 100 1000
Frequency Hz
dB
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10 100 1000
Frequency Hz
dB
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10 100 1000
Frequency Hz
dB
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10 100 1000
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dB
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10 100 1000
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dB
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dB