Precision Power PC8C2 - Manual (Page 6)

4
POWERCLASS PC12 C2 Subwoofer
PC12 C2 Specifications
Normal Power Handling 300W rms
Voice Coil Diameter 2” / 50.8mm
Voice Coil Type / Former 4 Layer/TIL
Resonant Frequency 21.64Hz
Qts-Total Damping 0.41
Qms- Mechanical Damping 5.41
Qes- Electromagnetic Damping 0.44
Vas- Equivalent Compliance Volume 5.31cuft / 150.37 liter
DC Resistance of V.C. 3.6W / 6.8W
Sensitivity (SPL at 1W) 90.67 dB
Xmax (Linear Excursion)
±
.393" / 9.97mm
Peak to Peak Excursion
±
.67" / 17.00mm
Mms- Total Mass 4.46oz / 126.59g
Sd- Piston Area .555sqft / 0.0511 sqm
Bl- Magnet Product 11.87 Tm
Cone Material Carbon Poly
Basket Material Stamped Steel
Net Weight 8.92lbs / 4.04kg
Dimensions 12.0” dia. X 5.78” H
305mm dia. X 147mm H
Mounting Hole Diameter 11.00” / 280mm
Mounting Depth 5.5" / 140mm
Displacement .075 cuft / 2.12 liter
PC12 C2 Enclosure Recommendations
SPL 1: 2.3 cu.ft. Bandpass F3: 53Hz Fo: 70Hz
.6 Sealed/1.7 Ported, 2) 4"Dia x 4.5"L Ports
SPL 2: 1.25 cu.ft. Ported F3: 42Hz Fo: 45Hz
4"Dia x 10.0"L Port
General Use 1: 1.75 cu.ft. Ported F3: 37Hz Fo: 40Hz
4"Dia x 8.5"L Port
General Use 2: 1.9 cu.ft. Bandpass F3: 45Hz Fo: 68Hz
.7 Sealed/1.2 Ported, 2) 4"Dia x 8.5"L Ports
Audiophile 1: 1.25 cu.ft. Sealed F3: 44Hz
Audiophile 2: 2.5 cu.ft. Ported F3: 31Hz Fo: 35Hz
4"Dia x 7.5"L Port
See page 10 for examples of dimensions for these enclosures.
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