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REFERENCE R1 SERIES
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Soundstream's
flagship sound quality subwoofer,
the R1 is probably the most revolutionary
woofer you will ever see. These
very unique subwoofers encompass
technologies that no other American
car audio companies are using.
With features only found in high-end
European subs and components,
the R1s are extremely advanced.
Getting away from the traditional
overhung motor, our underhung
motor yields much less distortion
and for quality sound…
The heatsink-cooled Dual Flux
Plates create a very tall magnetic
gap and is complimented
by a secondary magnet on top of
the structure which acts as a
“bucking” magnet and
strengthens the gap. While this
driver is the ultimate Sound Quality
subwoofer, it can still generate
massive amounts of bass due to
the 12.7mm of 1-way linear excursion
and 46.8mm of peak-to-peak mechanical
excursion! Whether you chill to
smooth Jazz, bang your head to
Hard Core, or split your ears
with pounding Rap music, the R1
series subwoofers will blow away
even the most critical listener… |
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FEATURES
•
Dual 3” Flat Wire Wound
Voice Coil
• Copper Clad Aluminum Voice
Coil Wire
• Dual Layer Aluminum Voice
Coil Former for Extreme Strength
• All-in-One Discrete Mount
Terminals
• Tall Motor Gap for Extended
XMax
• Dual Large High Temp Ferrite
Magnets
• Integrated Aluminum Motor
Heat Sink
• Backed by one year manufacturer waranty
• Aluminum Cone & Dust
Cap for Added Heat Dissipation
and Strength
• High-Roll Surround for
Added Cone Surface Area &
Xmax
• Dual Mirror Stacked Spiders
w/ Integrated Tinsel Leads
• Secondary Stamped Steel
Basket for Easy Re-coning (Contact
Parts Office)
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| T/S
Specs |
R1-12 |
R1-15 |
| Fs
(hz) |
21.50 |
23.70 |
| Qms |
9.210 |
13.400 |
| Vas
(ft³) |
2.863 |
4.825 |
| Cms
(mm/n) |
0.220 |
0.140 |
| Mms
(g) |
249.5 |
317.2 |
| Rms
(kg/s) |
3.654 |
3.520 |
| Xmax
(mm) |
12.70 |
12.70 |
| Xmech
(mm) |
23.40 |
23.40 |
| Dia
(in²) |
10.030 |
12.790 |
| Sd
(in²) |
79.16 |
127.70 |
| Vd
(ft³) |
0.042 |
0.068 |
| Qes |
0.490 |
0.650 |
| Re
(Ohm) |
6.80 |
6.80 |
| Z
(Ohm) |
8 |
8 |
| BL
(Gauss) |
21.60 |
22.16 |
| Pe
(watts) |
800 |
900 |
| Qts
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0.418 |
0.620 |
| NO |
0.159 |
0.265 |
| 1w/1m
SPL (dB) |
84.15 |
86.40 |
| 2.8v
SPL (dB) |
84.85 |
87.09 |
| VC
Dia. (in) |
3.0 |
3.0 |
| Impedance
(Ohm) |
DVC 4 |
DVC 4 |
| M-vd
(ft³) |
0.1500 |
0.2000 |
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| Measurements
(in) |
R1-12 |
R1-15 |
| Overall
Diameter |
12.75 |
15.625 |
| Overall
Height |
8.625 |
9.875 |
| Mounting
Depth |
7.375 |
8.625 |
| Cutout
Diameter |
11 |
14 |
| Motor
Diameter |
10.5 |
10.5 |
| Motor
Height |
5.875 |
5.875 |
| Flange
Width |
0.75 |
0.75 |
| Flange
Height |
0.875 |
0.875 |
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| Sealed
Box |
R1-12 |
R1-15 |
| Min.
Sealed (ft³) |
1.00 |
1.50 |
| Qtc |
0.690 |
0.870 |
| F3
(Hz) |
42.70 |
41.40 |
| Opt.
Sealed (ft³) |
1.50 |
2.00 |
| Qtc |
0.610 |
0.800 |
| F3
(Hz) |
40.90 |
38.70 |
| Max.
Sealed (ft³) |
2.00 |
2.50 |
| Qtc |
0.570 |
0.750 |
| F3
(Hz) |
40.20 |
37.30 |
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| Ported
Box |
R1-12 |
R1-15 |
| Min.
Vented (ft³) |
2.00 |
3.00 |
| Port
(dia. x length) |
4x14.5 |
(2)3x9.5 |
| Fb
(Hz) |
34.10 |
34.20 |
| F3
(Hz) |
28.90 |
30.20 |
| Opt.
Vented (ft³) |
3.00 |
4.00 |
| Port
(dia. x length) |
(2)3x11 |
(2)4x15.5 |
| Fb
(Hz) |
32.20 |
32.00 |
| F3
(Hz) |
26.00 |
27.30 |
| Max.
Vented (ft³) |
4.00 |
5.00 |
| Port
(dia. x length) |
(2)4x17.5 |
(2)4x16.5 |
| Fb
(Hz) |
30.50 |
27.70 |
| F3
(Hz) |
24.50 |
23.80 |
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