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Eminence Commonwealth 12" Guitar Speaker

Eminence Commonwealth 12" Guitar Speaker


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Ship Time: 7-10 business days 
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Product Highlights

  • Ideal for Southern Rock & Blues Guitar
  • Powerful 225W Power Rating
  • Nominal Impedance: 8 ohms
  • Resonance: 50Hz
  • Usable Frequency Range: 50Hz - 4kHz
  • Sensitivity: 100dB
  • Designed for Sealed or Vented Enclosures
  • Speaker Has Very Little Cone Break-Up
  • Warm, Rich & Works Well with Overdrive
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You Pay: $174.99

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The Eminence Commonwealth 12" Guitar Speaker features a 225W power rating and is designed for either a sealed or vented cabinet. It produces a classic American sound ideal for southern rock and blues guitar playing. The low-end is warm, fairly tight and rich, while the high-end is clean and well defined with great presence. The speaker is slow to break-up on its own, but it does like overdrive. It has a nominal impedance of 8 ohms and its usable frequency range is between 50Hz and 4kHz.

Clean, warm, full, non-distorted guitar tone
Warm and rich sound, but also very clean and well defined with great presence
Very little cone break-up, but sound at home with Overdrive
Ideal for all music genres especially southern rock and the blues
Nominal Basket Diameter 12.0" (30.5cm)
Nominal Impedance 8 ohms
Power Rating 225W
Resonance 50Hz
Usable Frequency Range 50Hz - 4kHz
Sensitivity 100dB
Magnet Weight 6.8lb (3.1kg)
Gap Height 0.3" (0.7cm)
Voice Coil Diameter 4.0" (10.2cm)
Resonant Frequency (fs) 50Hz
DC Resistance (Re) 6.34
Coil Inductance (Le) 0.46mH
Mechanical Q (Qms) 6.61
Electromagnetic Q (Qes) 0.35
Total Q (Qts) 0.33
Compliance Equivalent Volume (Vas) 3.2 cubic feet (90.0 Liters)
Peak Diaphragm Displacement Volume 36cc
Mechanical Suspension Compliance 0.24mm/N
BL Product (BL) 15.7 T-M
Diaphragm Mass Inc. Airload (MMs) 1.5oz (43g)
Efficiency Bandwidth Product (EBP) 143
Maximum Linear Excursion (Xmax) 0.028" (0.7mm)
Surface Area of Cone (Sd) 204.5 x 204.5" (519.5 x 519.5cm)
Sealed Mounting Acceptable
Vented Mounting Acceptable
Driver Volume Displaced 14.9 cubic feet (2.94 Liters)
Overall Diameter 12.3" (31.2cm)
Baffle Hole Diameter 11.1" (28.1cm)
Front Sealing Gasket Fitted as standard
Rear Sealing Gasket N/A
Mounting Holes Diameter 0.27" (0.68cm)
Mounting Holes B.C.D. 11.7" (29.7cm)
Coil Construction Aluminum voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented core
Basket Materials Die-cast aluminum basket
Cone Composition Paper cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Aluminum dust cap
Depth 5.0" (12.7cm)
Weight 21.5lb (9.8kg)
Eminence Commonwealth 12" Guitar Speaker
  • 7-Year Warranty
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