Click Here to Download PDF Spec Sheet
BLACK POWDER™
Raw and bright with tight bass and explosive mids and highs

SPECIFICATION
Nominal Basket Diameter 12", 304.8mm
Nominal Impedance* 8 ohms
Power Rating
Watts 75W
Music Program
Resonance 72Hz
Usable Frequency Range 70Hz-5kHz
Sensitivity*** 100
Magnet Weight 30 oz.
Gap Height 0.312", 7.92mm
Voice Coil Diameter 1.5", 38.1mm

THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 72Hz
DC Resistance (Re) 7.1
Coil Inductance (Le) 0.37mH
Mechanical Q (Qms) 14.98
Electromagnetic Q (Qes) 0.75
Total Q (Qts) 0.72
Compliance Equivalent Volume (Vas) 82.4 liters / 2.9 cu.ft.
Mechanical Compliance of Suspension (Cms) 0.22mm/N
BL Product (BL) 9.9 T-M
Diaphram Mass inc. Airload (Mms) 23 grams
Efficiency Bandwidth Product (EBP) 96
Maximum Linear Excursion (Xmax) 0.5mm
Surface Area of Cone (Sd) 519.5 cm2
Maximum Mechanical Limit (Xlim)

MOUNTING INFORMATION
Recommended Enclosure
Sealed
Vented Acceptable
Overall Diameter 12.23", 310.5mm
Baffle Hole Diameter 11.02", 279.8mm
Front Sealing Gasket fitted as standard
Rear Sealing Gasket fitted as standard
Mounting Holes Diameter 0.25", 6.4mm
Mounting Holes B.C. D. 11.67", 296.4mm
Depth 4.6", 117mm
Net Weight 7 lbs., 3.2 kg
Shipping Weight 9 lbs., 4.1 kg

MATERIALS OF CONSTRUCTION
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Non-vented core
Basket Materials Pressed steel basket
Cone Composition Paper Cone
Cone Edge Composition Paper cone edge
Dustcap Composition Zurette dust cap