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Eminence Commonwealth 12" Guitar Speaker

BH #EMLCOMMONW12 • MFR #COMMONWEALTH 12
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Eminence Commonwealth 12" Guitar Speaker
Key Features
  • Ideal for Southern Rock & Blues Guitar
  • Powerful 225W Power Rating
  • Nominal Impedance: 8 ohms
  • Resonance: 50Hz
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.
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Eminence COMMONWEALTH 12 Overview

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

Eminence COMMONWEALTH 12 Specs

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)
Packaging Info
Package Weight
24 lb

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