Описание

Specification
Nominal Basket Diameter12″, 305 mm
Nominal Impedance*16 Ω
Power Rating*
Program PowerN/A
Watts50 W
Resonance101 Hz
Usable Frequency Range80 Hz — 4.2 kHz
Sensitivity*101.8 dB
Magnet Weight38 oz.
Gap Height0.31″, 7.9 mm
Voice Coil Diameter1.75″, 44 mm

Thiele & Small Parameters
Resonant Frequency (fs)101 Hz
DC Resistance (Re)13.1 Ω
Coil Inductance (Le)0.75m H
Mechanical Q (Qms)9.95
Electromagnetic Q (Qes)0.82
Total Q (Qts)0.75
Compliance Equivalent Volume (Vas)36.4 liters / 1.29 cu.ft.
Peak Diaphragm Displacement Volume (Vd)42.6 cc
Mechanical Compliance of Suspension (Cms)0.09 mm/N
BL Product (BL)16.7 T-M
Diaphragm Mass Inc. Airload (MMs)27 grams
Efficiency Bandwidth Product (EBP)124
Maximum Linear Excursion (Xmax)0.8 mm
Surface Area of Cone (Sd)532.4 cm2
Maximum Mechanical Limit (Xlim)N/A

Mounting Information
Recommended Enclosure Volume
SealedAcceptable
VentedAcceptable
Driver Volume Displaced0.071 cu.ft. / 2 liters
Overall Diameter12.03″, 305.6 mm
Baffle Hole Diameter11.07″, 281.2 mm
Front Sealing GasketYes
Rear Sealing GasketYes
Mounting Holes Diameter0.25″, 6.4mm
Mounting Holes B.C.D.11.59″, 294.4mm
Depth5.1″, 129.5 mm
Net Weight8.2 lbs, 3.72 kg
Shipping Weight9.8 lbs, 4.45 kgs

Materials of Construction
Coil ConstructionCopper voice coil
Coil FormerPaper former
Magnet CompositionFerrite magnet
Core DetailsNon-vented core
Basket MaterialsPressed steel basket
Cone CompositionHemp cone ?
Cone Edge CompositionPaper cone edge
Dust Cap CompositionZurette dust cap