Specification Sheet

PRODUCT BRIEF
Model: P2D4-15
Type: DVC Subwoofer
Power Rating: 400 Watts (RMS)
Impedance: (2) 4 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:
44.7 1.58 38.0 1.36 38.2 - - - -
Thiele-Small Specifications
Ported:
75.3 2.66 32.0 - 33.0 4.0 101.6 12.4 31.6
Fs (Hz): 20.9
Re (Ohms): 6.40
Le (mH): 5.4
Qts: 0.66
Qes: 0.74
Qms: 5.70
Cms (mm/N): 0.19
Vas (L): 219.6
Mms (g): 300.6
Mmd (g): 285.2
Rms (kg/s): 6.9
Airload (g): 15.4
No (%): 0.24
SPL (dB - 1W/1M): 86.0
BL (T*M): 18.4
*Xmax
10
(mm):
12.2
Sd (cm2): 894
EBP: 28
Krm (mOhms): 0.83
Voice Coil Diameter: 2.25 57.15 inches | mm Erm: 1.26
Voice Coil Height: 1.26 32.0 inches | mm Kxm (mH): 48.2
Voice Coil Layers: layers Exm: 0.78
Magnetic Gap Height: 0.39 10.0 inches | mm Rem (Ohms): 50.67
Linear Excursion, (Xmax): 0.44 11.0 inches | mm
Maximum Excursion (mech), pk-pk: 2.25 57.2 inches | mm *
Magnet Weight: 81.0 2.30 oz. | kg
Woofer Displacement: 6.2 0.219 liters | cubic ft.
Net Weight: 15.75 7.1 lbs. | kg
Power Rating: 400 800 RMS | Peak
Above specifications and dimensions comply with the CEA-2031 standard.
RFPB- P2D4-15 (Rev D) DK
15-Nov-10
P2D4-15
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
16.38"
[(416.0)]
13.9"
[(353.0)]
7.34"
[(186.5)]
8.31"
[(211.1)]