Eminence 4" Treiber

Beschreibung Eminence ALPHA 4-4 SPECIFICATION ALPHA 4-4 Nominal Basket Diameter 4", 102 mm Nominal Impedance* 4 Ω Power Rating* Program Power 110 W Watts 55 W Resonance 120 Hz Usable Frequency Range 105 Hz - 10 kHz Sensitivity* 88 dB Magnet Weight 10 oz. Gap Height 0.144", 3.7 mm Voice Coil Diameter 1", 25 mm THIELE & SMALL PARAMETERS ALPHA 4-4 Resonant Frequency (fs) 120 Hz DC Resistance (Re) 3.42 Ω Coil Inductance (Le) 0.18m H Mechanical Q (Qms) 6.41 Electromagnetic Q (Qes) 0.7 Total Q (Qts) 0.63 Compliance Equivalent Volume (Vas) 1.76 liters / 0.06 cu.ft. Peak Diaphragm Displacement Volume (Vd) 15 cc Mechanical Compliance of Suspension (Cms) 0.38 mm/N BL Product (BL) 4.12 T-M Diaphragm Mass Inc. Airload (MMs) 5 grams Efficiency Bandwidth Product (EBP) 172 Maximum Linear Excursion (Xmax) 2.6 mm Surface Area of Cone (Sd) 57.7 cm2 Maximum Mechanical Limit (Xlim) 4.5 mm MOUNTING INFORMATION ALPHA 4-4 Recommended Enclosure Volume Sealed 1.84-4.53 liters / 0.07-0.16 cu.ft. Vented 3.96-7.08 liters / 0.14-0.25 cu.ft. Driver Volume Displaced 0.012 cu.ft. / 0.33 liters Overall Diameter 4.57", 116.1 mm Baffle Hole Diameter 3.77", 95.8 mm Front Sealing Gasket Yes Rear Sealing Gasket Yes Mounting Holes Diameter 0.15", 3.8mm Mounting Holes B.C.D. 4.25", 108mm Depth 2.31", 58.7 mm Net Weight 1.5 lbs, 0.68 kg Shipping Weight 3.3 lbs, 1.5 kgs MATERIALS OF CONSTRUCTION ALPHA 4-4 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 Cloth cone edge Dust Cap Composition Solid composition paper dust cap Eminence ALPHA 4-4 Breitbandlautsprecher DATENBLATT

Beschreibung Eminence ALPHA 4-8 Full-Range SPECIFICATION ALPHA 4-8 Nominal Basket Diameter 4", 102 mm Nominal Impedance* 8 Ω Power Rating* Program Power 110 W Watts 55 W Resonance 123 Hz Usable Frequency Range 105 Hz - 12 kHz Sensitivity* 88 dB Magnet Weight 10 oz. Gap Height 0.144", 3.7 mm Voice Coil Diameter 1", 25 mm THIELE & SMALL PARAMETERS ALPHA 4-8 Resonant Frequency (fs) 123 Hz DC Resistance (Re) 6.73 Ω Coil Inductance (Le) 0.28m H Mechanical Q (Qms) 6.83 Electromagnetic Q (Qes) 0.84 Total Q (Qts) 0.75 Compliance Equivalent Volume (Vas) 1.94 liters / 0.07 cu.ft. Peak Diaphragm Displacement Volume (Vd) 15 cc Mechanical Compliance of Suspension (Cms) 0.42 mm/N BL Product (BL) 4.94 T-M Diaphragm Mass Inc. Airload (MMs) 4 grams Efficiency Bandwidth Product (EBP) 146 Maximum Linear Excursion (Xmax) 2.6 mm Surface Area of Cone (Sd) 57.7 cm2 Maximum Mechanical Limit (Xlim) 4.5 mm MOUNTING INFORMATION ALPHA 4-8 Recommended Enclosure Volume Sealed 1.87-8.5 liters / 0.07-0.3 cu.ft. Vented 2.27-4.25 liters / 0.08-0.15 cu.ft. Driver Volume Displaced 0.012 cu.ft. / 0.33 liters Overall Diameter 4.57", 116.1 mm Baffle Hole Diameter 3.77", 95.8 mm Front Sealing Gasket Yes Rear Sealing Gasket Yes Mounting Holes Diameter 0.15", 3.8mm Mounting Holes B.C.D. 4.25", 108mm Depth 2.31", 58.7 mm Net Weight 1.5 lbs, 0.68 kg Shipping Weight 3.3 lbs, 1.5 kgs MATERIALS OF CONSTRUCTION ALPHA 4-8 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 Cloth cone edge Dust Cap Composition Solid composition paper dust cap Eminence ALPHA 4-8 Breitbandlautsprecher DATENBLATT