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Eminence Professional SIGMA PRO 18A-2 Speaker - 650 W RMS - 41 Hz to 2.40 kHz - 8 Ohm - 18 1 of 1
$174.99  + Free Shipping
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Learn more about Eminence Professional SIGMA PRO 18A-2 Speaker - 650 W RMS - 41 Hz to 2.40 kHz - 8 Ohm - 18":

Mfg Part#: sigmapro-18a-2
Sku: 216779516
UPC: 876358000395
UPC 14: 00876358000395
See more in Subwoofers

Each Eminence Professional model can be identified by its cast aluminum Eminence chassis that is lightweight and strong. Aluminum does not conduct the magnetic field out of the gap, thereby making the motor strength higher and the stray magnetic field lower. We coat each chassis and all metal components with an epoxy-acrylic finish using our in-house e-coat process. We can control the thickness of that coating to within 0.001"; critical when working with close tolerance transducer motor designs. We then add front and rear sealing gaskets on each model to accommodate front or rear loading.


Tech Features Product Type Speaker
Tech Features Manufacturer Part Number sigmapro-18a-2
Tech Features Manufacturer Eminence Speaker, LLC
Tech Features Product Model SIGMA PRO 18A-2
Tech Features Product Name Professional SIGMA PRO 18A-2 Speaker
Tech Features Product Line Professional
Tech Features Brand Name Eminence
Tech Features Country of Origin United States
Tech Features Material Aluminum
Tech Features Speaker Diameter 18"
Tech Features Weight (Approximate) 24.50 lb
Tech Features Speaker Depth 8.15"
Tech Features Impedance 8 Ohm
Tech Features Sensitivity 99 dB
Tech Features Driver Type 18" Paper
Tech Features Minimum Frequency Response 41 Hz
Tech Features Maximum Frequency Response 2.40 kHz
Tech Features RMS Output Power 650 W
Tech Features PMPO Output Power 1300 W
Tech Features Limited Warranty 7 Year
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