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Thank you for choosing PrecisionPower
woofers. Designed and
engineered in the USA, this product combines innovative technol-
ogy with the finest materials to consistently deliver
Absolutely State
of the Art
™ performance, sound quality, reliability, and value. This
PrecisionPower
product reflects our commitment to offer you
unparalleled performance and quality for years of dependable ser-
vice and listening enjoyment.
Features, Parameters, & Dimensions
series wired A.10 A.12
Fs (Hz)
33.87 26.14
Qms
4.19 5.673
Vas (ft³)
1.181 2.631
Cms (mm/N)
0.23 0.218
Mms (g)
96 169.6
Rms (kg/s)
4.876 4.912
Xmax (mm)
11.5 13.3
Xmech (mm)
17.25 19.95
Piston Diameter (in)
9.29 11.28
Sd (in²)
49.6 75.95
Qes
0.636 0.793
Re (Ω)
4 4
Z (Ω)
4 4
BL (Tm)
11.33 11.25
Rms Power (watts)
400 500
Qts
0.552 0.696
NO (%)
0.198 0.162
1w/1m SPL (dB)
84.97 84.12
2.8V SPL (dB)
88.12 87.71
Voice Coil Diameter (in)
2” 2.5”
Impedance (Ω)
DVC 2Ω DVC 2Ω
A.15
21.61
5.545
6.715
0.209
259.1
6.347
13.3
19.95
12.56
124
0.671
4
4
14.48
600
0.599
0.277
86.44
89.58
2.5”
DVC 2Ω
Pressed Paper Cone
Injection Molded Conical Dust Cap
ABS Gasket
4 Layer Voice Coil
Stitched Tinsel Leads
Aluminum Voice Coil Former
Conex Composite Spider
Butyl Rubber Surround
Vented Pole Piece
Compression Terminals
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Included in this manual are a number of different enclosure sugges-
tions. These are by no means the only enclosures to use, but they
provide a starting point to determine the correct enclosure for your
needs many factors must be addressed (amount of power, vehicle,
placement, crossovers, etc) Therefore, as always PrecisionPower
recommends that your subwoofer be installed by an authorized
PrecisionPower dealer.
Enclosure Dimensions
All enclosures should be made of .75” (3/4”) material only. When
possible, make the baffle 1.5” (1 ½) thick and add .75” (3/4”) to the
depth of the enclosure to compensate. All volumes INCLUDE vent/
port and subwoofer displacements. DO NOT change the volume
unless you plan on adding a substantial amount of bracing. For
added performance, applying a coat of fiberglass resin to the interior
walls will greatly improve sealing the enclosure. Adding a thin layer
of poly-fill will improve response by smoothing out reflections
within the enclosure.
Enclosure Construction
Enclosure Recommendations
A.10 Sealed
A.12 Sealed
Vol. (ft.
3
)
Dimensions
(H x L x D)
QTC -3dB (Hz)
Vol. (ft.
3
)
Dimensions
(H x L x D)
QTC -3dB (Hz)
0.50 11x14x9 0.965 50.8 1.00 13x14.5x13 1.252 37.5
0.75 11x14x12.5 0.847 47.6 1.50 13x21.25x13 1.084 33.6
1.00 11x14x16.25 0.778 46.3
2.00 13x27.75x13 0.996 31.7
A.15 Sealed
Vol. (ft.
3
)
Dimensions
(H x L x D)
QTC -3dB (Hz)
2.00
18x17.5x15
1.219 34.9
3.00
18x25x15
1.035 31.1
4.00
18x33x15
0.933 29.4