Higher power, vintage guitar tone. Big low-end, with a mellow, but singing top end. Medium break-up modes

Product Measurements

Diameter: 15 in.
Nominal Basket Diameter: 15 in.
Nominal Impedance: 8 Ω
Power Rating: 150 W
Resonance: 82 Hz
Usable Frequency Range: 60 Hz - 4 kHz
Sensitivity: 103.4 dB
Magnet Weight: 59 oz.
Gap Height: 7.9 mm
Voice Coil Diameter: 2 in.
Resonance Frequency (ƒS): 82 Hz
D.C. Resistance (Re) : 7.16 Ω
Coil Inductance (le): 0.86 mH
Mechanical Q Factor (QMS): 10.12
Electrical Q Factor (Qes): 1.02
Total Q Factor (QTS): 0.93
Equivalent Acoustic Volume (VAS): 65.4 liters
Peak Diaphragm Displacement Volume (vd): 65.9 cm3
Mechanical Compliance (CMS): 0.07 mm/N
Force Factor (BxL): 14.1 Wb/m
Mechanical Moving Mass (MMS): 55 g
Efficiency Bandwidth Product (ebp): 80
Linear Displacement, maximum (XMAX): 0.8 mm
Surface Area Of Cone (sd): 823.7 cm2
Recommended Enclosure Volume, vented: Acceptable
Driver Volume Displaced: 3.62 liters
Overall Diameter: 384.8 mm
Baffle Hole Diameter: 13.87 in.
Front Sealing Gasket: Yes
Mounting Hole Diameter: 6.4 mm
Mounting Hole Bolt Circle Diameter: 369.8 mm
Depth: 6.1 in.
Coil Construction: copper voice coil
Coil Former: Polyimide former
Magnet Composition: Ferrite
Core Details: Non-vented core
Basket Material: Pressed Sheet Steel
Cone Composition: Paper cone
Cone Edge Composition: Paper cone edge
Dust Cap Composition: Zurette dust cap