Description
8″ 400 WATTS MIDRANGE SPEAKER HEAT8
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Technical Specifications
Nominal Basket Diameter | 8″, 200 mm |
Nominal Impedance | 8Ω |
Power Rating | 400 Watts |
Resonance | 78 Hz |
Usable Frequency Range | 78Hz-7kHz |
Sensitivity | 91 dB |
Magnet Weight | 30 OZ. |
Gap Height | 0.24″, 6 mm |
Voice Coil Diameter | 1.5″, 38 mm |
Thiele & Small Parameters
Resonant Frequency (fs) | 78 Hz |
DC Resistance (Re) | 5.1Ω |
Coil Inductance (Le) | 0.44m H |
Mechanical Q (Qms) | 5.95 |
Electromagnetic Q (Qes) | 0.76 |
Total Q (Qts) | 0.68 |
Compliance Equivalent Volume (Vas) | 14.3 liters / 0.52 cu.ft. |
Peak Diaphragm Displacement Volume (Vd) | 30.4 cc |
Mechanical Compliance of Suspension (Cms) | 0.208 mm/N |
BL Product (BL) | 8.1 T-M |
Diaphragm Mass Inc. Airload (MMs) | 19 grams |
Efficiency Bandwidth Product (EBP) | 105 |
Maximum Linear Excursion (Xmax) | 2 mm |
Surface Area of Cone (Sd) | 216.4 cm2 |
Maximum Mechanical Limit (Xlim) | 6 mm |
Mounting Information
Recommended Enclosure Volume | |
Sealed | N/a |
Vented | Acceptable |
Driver Volume Displaced | 0.054 cu.ft. / 1.55 liters |
Overall Diameter | 8.3″, 210mm |
Baffle Hole Diameter | 7.24″, 184 mm |
Front Sealing Gasket | Yes |
Rear Sealing Gasket | Yes |
Mounting Holes Diameter | 0.2*0.34″, 5.2*8.6mm |
Mounting Holes B.C.D. | 7.87″, 200mm |
Depth | 4.01″, 102mm |
Net Weight | 4.86 lbs, 2.2 kg |
Shipping Weight | 5.17 lbs, 2.34 kgs |
Materials of Construction
Coil Construction | Copper voice coil |
Coil Former | Polyimide former |
Magnet Composition | Ferrite magnet |
Core Details | Vented core |
Basket Materials | Pressed steel basket |
Cone Composition | Treated paper cone |
Cone Edge Composition | Sealed cloth cone edge |
Dust Cap Composition | Treated paper dust cap |
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