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Design features – Soundstream Technologies Subwoofers User Manual

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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

50

55

60

65

70

75

80

85

90

95

100

105

110

10

100

1000

Frequency Hz

dB

50

55

60

65

70

75

80

85

90

95

100

105

110

10

100

1000

Frequency Hz

dB

50

55

60

65

70

75

80

85

90

95

100

105

10

100

1000

Frequency Hz

dB

50

55

60

65

70

75

80

85

90

95

100

105

110

10

100

1000

Frequency Hz

dB

50

55

60

65

70

75

80

85

90

95

100

105

110

10

100

1000

Frequency Hz

dB

50

55

60

65

70

75

80

85

90

95

100

10

100

1000

Frequency Hz

dB