plates and pole piece
Dual Voice Coil Inputs for increased flexibility in optimizing installations.
Computer Numerically Controlled (CNC) machined magnet precisely focus the magnetic energy for optimum performance.
Silver Powder Coating ensures durability and lasting good looks.
Heavy Gauge Steel Baskets provide extra rigidity and damping.
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.
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.

Sealed (Cont'd)

3.0 ft3 - Good linear response, excellent all around enclosure.

 

100

 

 

 

95

 

 

 

90

 

 

 

85

 

 

 

80

 

 

dB

75

 

 

 

70

 

 

 

65

 

 

 

60

 

 

 

55

 

 

 

50

 

 

 

10

100

1000

 

 

Frequency Hz

 

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.

2

Vented

 

 

 

 

 

105

 

 

 

 

 

 

 

 

 

110

 

 

2.0 ft3 @ 50 Hz

 

100

 

 

 

95

 

 

 

(Three 4" x 12.25"

 

90

 

 

 

dB

85

 

 

 

ports) - High output

80

 

 

 

 

70

 

 

 

with good low

 

 

75

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

65

 

 

 

frequency extension.

 

55

 

 

 

 

50

 

 

 

Good small

 

 

 

10

100

1000

 

 

 

 

 

Frequency Hz

 

 

enclosure.

 

 

 

110

 

Vented (V)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

105

 

 

3.0 ft

3

@ 40 Hz

 

100

 

 

 

95

 

 

 

 

90

 

 

 

(Three 4" x 13"

dB

85

 

 

 

80

 

 

 

ports) - High output

 

75

 

 

 

 

70

 

 

 

with excellent low

 

65

 

 

 

 

60

 

 

 

frequency extension.

 

55

 

 

 

 

50

 

 

 

 

 

 

 

 

 

 

 

 

Great for Rock

 

10

100

1000

 

 

 

Frequency Hz

 

 

music or home

 

105

 

 

 

theater applications.

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

95

 

 

 

 

 

 

 

 

 

90

 

 

 

4.0 ft

3

@ 30 Hz

 

85

 

 

dB

80

 

 

 

75

 

 

 

(Three 4" x 18.75"

 

65

 

 

 

ports) - High output

 

70

 

 

 

 

55

 

 

 

 

 

 

 

 

 

60

 

 

 

with low frequency

 

50

 

 

 

 

10

100

1000

 

extension. Great for

 

 

Frequency Hz

 

 

Rock music or home

 

 

 

 

 

theater applications.

 

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

105

 

 

Sealed Bandpass

 

100

 

 

 

90

 

 

 

 

 

 

 

 

 

95

 

 

 

 

 

 

 

 

dB

85

 

 

 

 

 

 

 

 

80

 

 

 

 

 

3

sealed

 

75

 

 

 

 

 

 

 

 

 

Rear = 3.0 ft

 

70

 

 

 

Front = 2.2ft

3

@ 55

 

65

 

 

 

60

 

 

 

 

55

 

 

 

Hz (Three 4" x 6.75"

 

50

 

 

 

 

10

100

1000

 

ports) - High output

 

 

Frequency Hz

Sealed

 

with good low

 

 

110

 

Bandpass

 

frequency extension.

 

105

 

 

 

 

100

 

 

 

Good for Rock or

 

95

 

 

 

 

90

 

 

 

Rap.

 

 

 

 

dB

85

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

 

75

 

 

 

 

 

 

 

 

 

70

 

 

 

 

 

 

 

 

 

65

 

 

 

 

 

3

 

 

60

 

 

 

 

 

 

 

 

 

 

Rear = 1.5 ft sealed

 

55

 

 

 

Front = 2.2 ft3 @

 

50

 

 

 

10

100

1000

 

72Hz (Four 4" x 5"

 

 

Frequency Hz

 

 

 

 

 

 

 

ports) - Very high

 

 

11

 

Page 2
Image 2
Soundstream Technologies Subwoofers owner manual Vented, Sealed, Bandpass

Subwoofers specifications

Soundstream Technologies has established itself as a frontrunner in the audio industry, particularly known for its innovative subwoofers that deliver high-quality sound performance. These subwoofers are designed to enhance the listening experience by providing deep, booming bass while maintaining clarity across all frequencies.

One of the hallmark features of Soundstream subwoofers is their advanced cone technology. Many models utilize a polypropylene cone, known for its durability and lightweight properties. This allows the subwoofer to reproduce low frequencies with exceptional accuracy while minimizing distortion. Additionally, the cone’s design is optimized for maximum excursion, enabling it to move more air and thus produce deeper bass tones.

Another key characteristic of Soundstream subwoofers is their robust voice coils. Featuring dual or single voice coil configurations, these subwoofers are engineered for higher power handling and increased thermal efficiency. This means they can sustain high volume levels without the risk of overheating or failure, providing users with a reliable performance even during extended use.

Soundstream also incorporates a variety of technologies to enhance their subwoofers’ performance. The inclusion of advanced cooling systems, such as ventilation ports and heat sinks, ensures that the subwoofers maintain optimal temperatures. This prevents performance degradation and ensures that users can enjoy high volumes for longer periods without compromising sound quality.

The build quality of Soundstream subwoofers also stands out. Many models feature sturdy cast aluminum frames that enhance durability and reduce vibrations. This precise engineering ensures that the subwoofers are not only powerful but also incredibly resilient, able to withstand the rigors of intense use.

Ease of installation is another aspect that makes Soundstream subwoofers appealing. They often come equipped with user-friendly features such as pre-wired terminals and included mounting hardware. This allows users to set up their audio systems quickly and efficiently, even if they are not audio installation experts.

In summary, Soundstream Technologies subwoofers are designed to provide an unparalleled audio experience with their advanced cone technology, robust voice coils, cutting-edge cooling systems, and durable construction. As a result, they are an excellent choice for anyone looking to elevate their sound system, whether for casual listening or professional applications.