This table charts the specifications for the ALPHA6ABMR speaker
Nominal Basket Diameter: 6-in, 165 mm. Nominal Impedance: 8 Ohms. Power Rating: Watts: 100 W. Music Program: 200 W. Resonance: 407 Hz. Usable Frequency Range: 400 Hz - 5 kHz. Sensitivity: 97.8 dB. Magnet Weight: 16 oz.. Gap Height: 0.25 -in, 6.4 mm. Voice Coil Diameter: 1.5 -in, 38 mm. Thiele & Small Parameters. Resonant Frequency (fs): 407 Hz. DC Resistance (Re): 5.26 Ohms. Coil Inductance (Le): 0.38 m H. Mechanical Q (Qms): 6.04. Electromagnetic Q (Qes): 1.74. Total Q (Qts): 1.35. Compliance Equivalent Volume (Vas): 0.45 liters / 0.02 cu. ft.. Peak Diaphragm Displacement Volume (Vd): 19 cc. Mechanical Compliance of
Suspension (Cms): 0.02 mm/N. BL Product (BL): 7.86 T-M. Diaphragm Mass Inc.
Airload (MMs): 8 grams. Efficiency Bandwidth Product (EBP): 234. Maximum Linear Excursion (Xmax): 1.5 mm. Surface Area of
Cone (Sd): 126.7 cm2. Maximum Mechanical Limit (Xlim): 3 mm. -----------------------------------Recommended Enclosure Volume; Sealed: N/a. Vented: - liters / - cu. ft.. Driver Volume Displaced: 0.014 cu. ft. / 0.4 liters. Overall Diameter: 6.59 -in, 167.4 mm. Baffle Hole Diameter: 5.69 -in, 144.5 mm. Front Sealing Gasket: Yes. Rear Sealing Gasket: Yes. Mounting Holes Diameter: 0.23 -in, 5.8 mm. Mounting Holes B. C. D.: 6.06 -in, 153.9 mm. Depth: 2.2 -in, 55.9 mm. Net Weight: 3.7 lbs, 1.68 kg. Shipping Weight: 4.4 lbs, 2 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: Paper cone. Cone Edge Composition: Cloth cone edge. Dust Cap Composition: Solid composition paper dust cap.