Eminence Legend BP 122 - 8 ohm 12" 250W Bass Guitar Speaker

SKU: 435-005

Canadian Dollar Price:
Sale price$194.99
In stock (8 units)


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.

Manufacturer Spec Sheet

Example Cabinet Designs

Speaker Detail
Nominal Basket Diameter 12", 305 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power 500 W
Watts 250 W
Resonance 35 Hz
Usable Frequency Range 35 Hz - 2.3 kHz
Sensitivity* 94.1 dB
Magnet Weight 38 oz.
Gap Height 0.31", 7.9 mm
Voice Coil Diameter 2", 51 mm
Thiele & Small Parameters
Resonant Frequency (fs) 35 Hz
DC Resistance (Re) 5.66 Ω
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 liters / 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 Acceptable
Vented Acceptable
Driver Volume Displaced 0.071 cu.ft. / 2 liters
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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