The Alpha 5 offers unmistakable performance emphasizing value. Rated at 250 watts of program power, this 5” midbass features a water-resistant cone and dust cap, making it an excellent choice for line array or column array applications.
Applications
Midrange | Full Range Line Array | Pro Audio | Car Audio | Bookshelf Speakers | Tower Speakers
Box Type: Sealed | Vented | Horn Loading
Specifications
Download Spec Sheet Download Cab DesignSPECIFICATION | |
Nominal Basket Diameter | 5", 127 mm |
Nominal Impedance* | 8 Ω |
Power Rating* | |
Program Power | 250 W |
Watts | 125 W |
Resonance | 87 Hz |
Usable Frequency Range | 87 Hz - 3.5 kHz |
Sensitivity* | 89.4 dB |
Magnet Weight | 20 oz. |
Gap Height | 0.23", 5.8 mm |
Voice Coil Diameter | 1.5", 38 mm |
THIELE & SMALL PARAMETERS | |
Resonant Frequency (fs) | 87 Hz |
DC Resistance (Re) | 5 Ω |
Coil Inductance (Le) | 0.29m H |
Mechanical Q (Qms) | 11.81 |
Electromagnetic Q (Qes) | 0.56 |
Total Q (Qts) | 0.54 |
Compliance Equivalent Volume (Vas) | 6.14 liters / 0.22 cu.ft. |
Peak Diaphragm Displacement Volume (Vd) | 60.8 cc |
Mechanical Compliance of Suspension (Cms) | 0.42 mm/N |
BL Product (BL) | 6.22 T-M |
Diaphragm Mass Inc. Airload (MMs) | 8 grams |
Efficiency Bandwidth Product (EBP) | 155 |
Maximum Linear Excursion (Xmax) | 5.92 mm |
Surface Area of Cone (Sd) | 102.6 cm2 |
Maximum Mechanical Limit (Xlim) | 6.4 mm |
MOUNTING INFORMATION | |
Recommended Enclosure Volume | |
Sealed | Acceptable |
Vented | Acceptable |
Driver Volume Displaced | 1.091 cu.ft. / 30.9 liters |
Overall Diameter | 5.87", 149.1 mm |
Baffle Hole Diameter | 4.8", 121.9 mm |
Front Sealing Gasket | Yes |
Rear Sealing Gasket | Yes |
Mounting Holes Diameter | 0.2", 5mm |
Mounting Holes B.C.D. | 5.39", 136.9mm |
Depth | 2.91", 73.9 mm |
Net Weight | 3.1 lbs, 1.41 kg |
Shipping Weight | 3.5 lbs, 1.59 kgs |
MATERIALS OF CONSTRUCTION | |
Coil Construction | Aluminum voice coil |
Coil Former | Polyimide former |
Magnet Composition | Ferrite magnet |
Core Details | Vented core |
Basket Materials | Pressed steel basket |
Cone Composition | Water resistant pulp |
Cone Edge Composition | Cloth cone edge |
Dust Cap Composition | Water resistant paper |