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Eminence Legend BP122 8 Ohm 250W 12" Bass Guitar Speaker
A 12" bass guitar driver that delivers warm, rich tone and deep bass. A big brother to the popular 10" Legend BP102, this 250 watt driver is at home in small sealed enclosures, and also works well in Pro Audio and Home Hi-Fi applications.
SPECIFICATION:
- Nominal Basket Diameter 12", 305 mm
- Nominal Impedance* 8 ohms Power Rating - Program Power 500 W, EIA Power 250 W
- Resonance 35 Hz
- Usable Frequency Range 35 Hz - 2.3 kHz
- Sensitivity* 94.1 dB
- Magnet Weight 38 oz.
- Gap Height 0.3125", 7.9 mm
- Voice Coil Diameter 2", 51 mm
THIELE & SMALL PARAMETERS:
- Resonant Frequency (fs) 35 Hz
- DC Resistance (Re) 5.66 ohms
- Coil Inductance (Le) 0.84m H
- Mechanical Q (Qms) 9.26
- Electromagnetic Q (Qes) 0.57
- Total Q (Qts) 0.54
- Compliance Equivalent Volume (Vas) 157.4 litres / 5.56 cu.ft.
- Peak Diaphragm Displacement Volume (Vd) 330.1 cc
- Mechanical Compliance of Suspension (Cms) 0.4 mm/N
- BL Product (BL) 10.55 T-M
- Diaphragm Mass Inc. Airload (MMs) 50 grams
- Efficiency Bandwidth Product (EBP) 62
- Maximum Linear Excursion (Xmax) 6.2 mm
- Surface Area of Cone (Sd) 532.4 cm2
- Maximum Mechanical Limit (Xlim) 12.4 mm
MOUNTING INFORMATION:
- Recommended Enclosure Volume: Sealed 22.65-106.19 litres, Vented 56.63-169.9 litres
- Driver Volume Displaced 0.071 cu.ft. / 2 litres
- Overall Diameter 12.26", 311.4 mm
- Baffle Hole Diameter 11.08", 281.4 mm
- Front Sealing Gasket Yes
- Rear Sealing Gasket Yes
- Mounting Holes Diameter 0.25", 6.4mm
- Mounting Holes B.C.D. 11.71", 297.4mm
- Depth 5.33", 135.3 mm
- Net Weight 9 lbs, 4.08 kg
- Shipping Weight 11 lbs, 4.99 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 felt dust cap
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