Eminence TF1250 12"guitar Spkr/50w/1.5"vc/8ohms

This table charts the specifications for the TF-1250 speaker * Nominal Basket Diameter: 12-in , 305 mm. * Nominal Impedance*: 8 Ohms. * Power Rating*. * Program Power: N/A. * Watts: 50 W. * Resonance: 95 Hz. * Usable Frequency Range: 80 Hz - 4.4 kHz. * Sensitivity*: 101.3 dB. * Magnet Weight: 30 oz.. * Gap Height: 0.31-in , 8 mm. * Voice Coil Diameter: 1.5-in , 38 mm. * Thiele & Small Parameters. * Resonant Frequency (fs): 95 Hz. * DC Resistance (Re): 7.23 Ohms. * Coil Inductance (Le): 0.51m H. * Mechanical Q (Qms): 8.5. * Electromagnetic Q (Qes): 0.98. * Total Q (Qts): 0.88. * Compliance Equivalent Volume (Vas): 37.47 liters / 1.32 cu.ft.. * Peak Diaphragm Displacement Volume (Vd): 24.4 cc. * Mechanical Compliance of Suspension (Cms): 0.1 mm/N. * BL Product (BL): 11.39 T-M. * Diaphragm Mass Inc. Airload (MMs): 29 grams. * Efficiency Bandwidth Product (EBP): 97. * Maximum Linear Excursion (Xmax): 0.47 mm. * Surface Area of Cone (Sd): 519.5 cm2. * Maximum Mechanical Limit (Xlim): N/A. ----------------------------------- Recommended Enclosure Volume; * Sealed: Acceptable. * Vented: Acceptable. * Driver Volume Displaced: 0.068 cu.ft. / 1.93 liters. * Overall Diameter: 12.17-in , 309.1 mm. * Baffle Hole Diameter: 11.13-in , 282.7 mm. * Front Sealing Gasket: Yes. * Rear Sealing Gasket: Yes. * Mounting Holes Diameter: 0.24-in , 6.1mm. * Mounting Holes B.C.D.: 11.75-in , 298.5mm. * Depth: 4.97-in , 126.2 mm. * Net Weight: 6.6 lbs, 2.99 kg. * Shipping Weight: 8.6 lbs, 3.9 kgs. * 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: Full molded paper cone. * Cone Edge Composition: Paper cone edge. * Dust Cap Composition: Paper dust cap.

Nominal Basket Diameter: 12", 305 mm Nominal Impedance: 8 O Power Rating: 50 W Resonance: 95 Hz Usable Frequency Range: 80 Hz - 4.4 kHz