Soundstream USA 8 Owner's Manual

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USA SUBWOOFERS

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 USA woofers are well-suited for
sealed, vented and sealed
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

l

Date:

Installation Flexibility - The

baffle, sealed, vented and

application, USA woofers perform!

l Dual 4 Ohm Voice Coils for added installation flexibility and

performance; series wiring for 8 Ohms, parallel wiring for 2 Ohms.

l

High Efficiency Design

magnet structures and Dual Density Bonded Polyether Foam
surrounds to ensure high efficiency, as well

Computer Numerically Controlled (CNC)

precisely focus the magnet

Custom-designed High Strength Spider controls

cone assembly.

Blue Powder Coat Finish for durability and scuff-resistance.
Heavy Steel Frame Basket for extra rigidity and damping.

Vented Pole Piece

bandpass

enclosures. They also work well in

DESIGN FEATURES

USA woofers perform well in infinite

bandpass

-

The USA woofers use high efficiency

energy for optimum performance.

for greater voice coil cooling.

enclosures. Regardless of the

as

durability.

machined magnet plates

2

the long travel

-

l

All

specmatiir

walbl(2

Ohm)

Freq.

Response

Sens. 2.Ovllm
Impedance (nom.
Rated Program Power

FS

Qts

Qms
Qes
Vas

(w)

Vas (liters)
Vas

(m3)

Cms

(urn/N)

DCR (ohms)

Levc

(mH) @ 1

BL

(Tesla

Sd

(in2)

Sd

(m2)

Sd

(cm2)

X max; one way (linear mm)

X max; one way (peak mm)
Vd (linear cm’)
Vd (peak

Vd (linear
Vd (peak m’)
Mms (grams)
Magnet Assembly
Magnet Weight
Vf (volume of frame)
Coil length (mm)
Coil diameter (in)
TP (mm)
Mounting Dia. (in)

Mounting Depth (in)

THIELEBMALL PARAMETERS

measured Wlh the

m)

cm3)

m3)

kHz

(02)

2)

(02)

MlCe

coils

I”

USA

8

45500

Hz

92

dB

2

ohms

150 watts

48Hz

0.64

11.9

0.61

0.70
20

0.020
290

1.34

1.1

4.88

34.14

0.022
220

3.5
18
78

396

0.000078

0.00040
35
66
28

75in3

15.2

1.5

8.2

7.125

3.5

3

USA10

37-500

93dB

2ohms

200watts

37Hz

0.460

12.00

0.478

1.57

44.5

0.0445
287

1.25

1.0

6.25

54.3

0.035
350

4.8
21

168

735

0.000168

0.000735

60.8
112

38

120in3

19

2

9.4

9.125

4.5

-

USA1 2

33-500 Hz

95dB

2ohms

250watts

33Hz

0.49

12.04

0.52

3.66

103.7

0.1037
260

1.18

1.0

6.43

86.7

0.0531
531

4.8
21

255

1115

0.000255

0.001115

86.4
112

38

135in3

19

2

9.4

11.125

5.25

USA15

30-500

98dB

2ohms

250watts

30Hz

0.40

11.5

0.41

8.7

247

0.247
220

1.14

1.3

8.15

131.0

0.0845
845

6.25
25

528

2112

0.000528

0.002112
128
180

64

300in3

25

2

12.8

13.875

7