Specification Sheet

PRODUCT BRIEF
Model: P2D2-12
Type: DVC Subwoofer
Power Rating: 400 Watts (RMS)
Impedance: (2) 2 ohms
Features
• High modulus Kevlar™ re-inforced paper-pulp cone.
•
Dual tear & fatigue resistant poly-cotton spider.
• Tall-profile VAST™ Santoprene™ surround
• High temp 2.25" voice coil w/ spun-laced Nomex™ insulating re-inforcement collar
• Optimized motor magnetics with extended pole and bumped vented backplate.
• Fatigue resistant and reduced strain "stitched on" flexible lead wire design.
• Proprietary spider venting/cooling technique
• Multi-point high-temp/high-strength neck joint bonding technique.
• Sturdy 16 guage compound bend frame geometry.
• Semi-flexible, PVC removable protective motor cover.
• Proprietary all metal, radially oriented compression input terminal assembly.
• Flex-fit™ Mounting pattern
• Die-Cast aluminum soft-touch painted trim ring allows for optional integrated grill
Recommended Applications
Tuning(Fb) System
-3dB (F3)
Hz
(Qtc)
Hz
Sealed:
28.9 1.02 44.9 0.94 43.7 - - - -
Thiele-Small Specifications
Ported:
50.7 1.79 40.0 - 35.0 4.0 101.6 11.8 30.1
Fs (Hz): 26.0
Re (Ohms): 3.30
Le (mH): 3.7
Qts: 0.52
Qes: 0.56
Qms: 6.50
Cms (mm/N): 0.18
Vas (L): 81.5
Mms (g): 212.0
Mmd (g): 204.2
Rms (kg/s): 5.3
Airload (g): 7.8
No (%): 0.24
SPL (dB - 1W/1M): 86.0
BL (T*M): 14.3
*Xmax
10
(mm):
13.3
Sd (cm2): 570
EBP: 46
Krm (mOhms): 0.59
Voice Coil Diameter: 2.25 57.15 inches | mm Erm: 1.26
Voice Coil Height: 1.18 30.0 inches | mm Kxm (mH): 29.7
Voice Coil Layers: layers Exm: 0.79
Magnetic Gap Height: 0.39 10.0 inches | mm Rem (Ohms): 36.02
Linear Excursion, (Xmax): 0.48 12.1 inches | mm
Maximum Excursion (mech), pk-pk: 2.25 57.2 inches | mm *
Magnet Weight: 72.8 2.06 oz. | kg
Woofer Displacement: 4.8 0.170 liters | cubic ft.
Net Weight: 14 6.4 lbs. | kg
Power Rating: 400 800 RMS | Peak
Above specifications and dimensions comply with the CEA-2031 standard.
RFPB- P2D2-12 (Rev D) DK
15-Nov-10
P2D2-12
2011
Enclosure
Volume (Vb)
Port Dia.
Port Length
Liters | cu.ft.
in. | cm
in. | cm
SPL & Excursion (at 400 Watts) / Impedance (at 1 Watt)
Technical Specifications
4
All parameters are derived using a laser
velocity measurement method and verified with
actual measured Mmd and Re. All dual voice
coil models are wired in series. Xmax
10
represents actual effective excursion at <10%
THD.
Specifications subject to change without notice.
Rockford Corporation • 600 South Rockford Drive • Tempe, AZ • 85281
Rockford Corporation • 600 South Rockford Drive • Tempe, AZ • 85281
Rockford Corporation • 600 South Rockford Drive • Tempe, AZ • 85281
0
10
20
30
40
50
60
70
60.0
70.0
80.0
90.0
100.0
110.0
120.0
130.0
10 100 1000
Impedance (ohms)
Excursion (mm)
SPL (dB)
Frequency (Hz)
Closed Box SPL
Vented Box SPL
Closed Box Impedance
Vented Box Impedance
Closed Box Excursion
Vented Box Excursion
11.22"
[(285.0)]
6.4"
[(162.6)]
7.37"
[(187.2)]
13.31"
[(338.0)]