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
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
l
Installation Flexibility - The
USA woofers perform well in infinite
baffle, sealed, vented and
bandpass
enclosures. Regardless of the
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
-
The USA woofers use high efficiency
magnet structures and Dual Density Bonded Polyether Foam
surrounds to ensure high efficiency, as well
as
durability.
Computer Numerically Controlled (CNC)
machined magnet plates
precisely focus the magnet
energy for optimum performance.
Custom-designed High Strength Spider controls
the long travel
cone assembly.
Blue Powder Coat Finish for durability and scuff-resistance.
Heavy Steel Frame Basket for extra rigidity and damping.
Vented Pole Piece
for greater voice coil cooling.
2
-
THIELEBMALL PARAMETERS
-
l
All
specmatiir
measured Wlh the
MlCe
coils
I”
walbl(2
Ohm)
Freq.
Response
Sens. 2.Ovllm
Impedance (nom.
2)
Rated Program Power
FS
Qts
Qms
Qes
Vas
(w)
Vas (liters)
Vas
(m3)
Cms
(urn/N)
DCR (ohms)
Levc
(mH) @ 1
kHz
BL
(Tesla
m)
Sd
(in2)
Sd
(m2)
Sd
(cm2)
X max; one way (linear mm)
X max; one way (peak mm)
Vd (linear cm’)
Vd (peak
cm3)
Vd (linear
m3)
Vd (peak m’)
Mms (grams)
Magnet Assembly
(02)
Magnet Weight
(02)
Vf (volume of frame)
Coil length (mm)
Coil diameter (in)
TP (mm)
Mounting Dia. (in)
Mounting Depth (in)
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