MCM Electronics

Sovereign Series 18 Inch Prosound WooferMCM Part #: 55-2875  |  Fane International Part #: SOVEREIGN 18-500

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18 Inch Prosound Woofer

Optimised for ported bass enclosures for PA applications and sealed bass guitar cabinets.

Product Description

Electro-Acoustic Specifications

Nominal Chassis Diameter 18"
Impedance 8 Ohm
Power Handling (RMS) 500 w (EIA 426A)
Peak Power (6dB CresFactor) 1000 w (EIA 426A)
Usable Frequency Range 42 Hz - 1.5 KHz
Sensitivity (1 w - 1 m) 99 dB
Moving Mass inc. Air Load 130 grams
Minimum Impedance Zmin 6.36 Ohm
Effective Piston Diameter 13.97” / 355 mm
Peak Displacement Volume of Cone 0.73 litres
Magnet Weight 120 oz
Magnetic Gap Depth 0.39" / 10 mm
Flux Density 1.0 Tesla
Coil Winding Height 0.82" / 21 mm
Voice Coil Diameter 3.0" / 76.2 mm

Thiele Small Parameters
FS Hz 33 Hz
RE Ohms 5.3 Ohms
Qms 9.2
Qes 0.6
Qts 0.563
Vas 346 Ltr
Vd litres 0.73
CMS (mm/N) 0.18
BL T/m 15.43
Mms (grms) 130
Xmax (mm) 6.3
Sd (cm2) 1178
Efficiency % 2
Le (1kHz) 1.95 mH

Mounting Information
Overall Diameter 18.00” / 457 mm
Flange Height 0.47” / 12 mm
Baffle Hole Diameter 16.69” / 424 mm
Gasket Supplied Front & Rear
Fixing Holes 8x 8.5 mm on 17.44"
Depth 8.03” / 204 mm
Weight 17.85 lb / 8.09 kg

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Package Specifications & Dimensions
Weight:10.31 lbs.
Hazardous:Yes
Warranty:365 days
Need to Return?
Length:16.25 in.
Width:16 in.
Height:8.5 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages
Catalog/Page:

MCM Cat 57, Page 153

MCM Cat 56, Page 277

PDF Reference
Datasheet

Requires Adobe Acrobat Reader.

Mfr. Info

Fane International Logo
Mfr. Name:Fane International
Mfr. Part Number:SOVEREIGN 18-500