skip to footer block
PEX Eminence Definimax 4018LF 18" Speaker Driver P1263555PEX-290-579 https://cdnimages.opentip.com/full/PEX/PEX-290-579.jpg Eminence Definimax 4018LF 18" Speaker Driver Manufacturer Part Number: Definimax 4018LFThe Eminence Definimax 4018LF 18\" driver is recommended for professional audio and bass as a low distortion subwoofer in single or multi-driver speaker designs.Key Features: Copper voice coil with Polyimide former Ferrite magnet Undercut pole piece with copper shorting ring and Core Periphery Ventilation Die-cast aluminum basket Acrylic wetlook paper cone and dust cap Cloth cone edge Eminence Definimax 4018LF 18\" Speaker DriverThe Eminence Definimax 4018LF 18\" driver is recommended for professional audio and bass as a low distortion subwoofer in single or multi-driver speaker designs.Product Details BrandEminence Speaker ModelDefinimax 4018LF Part Number290-579 UPC876358000579 Unit of MeasureEach Weight29 Product Specifications Nominal Diameter18\" Moving Mass Of Diaphragm (Mmd)217 Power Handling (RMS)1200 Watts Power Handling (MAX)2400 Watts Impedance8Ω Frequency Response39 to 1,200Hz Sensitivity94.9dB 2.83V/1m Voice Coil Diameter4\" Thiele-Small Parameters Resonant Frequency (Fs)30Hz DC Resistance (Re)6.1Ω Voice Coil Inductance (Le)4.54mH Mechanical Q (Qms)11.95 Electromagnetic Q (Qes)0.35 Total Q (Qts)0.34 Compliance Equivalent Volume (Vas)9ft³ Mechanical Compliance of Suspension (Cms)0.13mm/N BL Product (BL)26.75T·m Maximum Linear Excursion (Xmax)8.57mm Surface Area of Cone (Sd)1188cm² Materials of Construction Cone MaterialCoated Paper Surround MaterialCloth Voice Coil Wire MaterialCopper Voice Coil FormerKapton® / Polyimide Basket / Frame MaterialCast Aluminum Magnet MaterialFerrite Mounting Information Overall Outside Diameter18\" Baffle Cutout Diameter16.57\" Depth8.13\" # Mounting Holes8 Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion) Sealed Volume2.5ft³ Sealed F368Hz Vented Volume4.3ft³ Vented F345Hz 1263555 876358000579 36.0000lbs 0.00 0.00 0.00
Eminence Speaker
329.9900 2025-04-28 Only 4 left In Stock

Eminence Definimax 4018LF 18" Speaker Driver

Shop more from PEX

UPC: 876358000579
SKU: PEX-290-579
Price:
$329.99Free shipping on orders over $65 on select PEX- items. Details
Quantity:
Only 4 left In Stock
*  Click "Add to Cart" to calculate shipping and delivery time.
Share & Earn 10% Cash Back Best Price in Bulk

Pricing Note

Free Shipping Promotion: Buy more items from the same series, product code beginning with PEX-, and you can get free shipping for an order of over  $65.00  consisting of only PEX- series products.

Product Description

Manufacturer Part Number: Definimax 4018LF

The Eminence Definimax 4018LF 18" driver is recommended for professional audio and bass as a low distortion subwoofer in single or multi-driver speaker designs.

Key Features:
  • Copper voice coil with Polyimide former
  • Ferrite magnet
  • Undercut pole piece with copper shorting ring and Core Periphery Ventilation
  • Die-cast aluminum basket
  • Acrylic wetlook paper cone and dust cap
  • Cloth cone edge


Eminence Definimax 4018LF 18" Speaker Driver

The Eminence Definimax 4018LF 18" driver is recommended for professional audio and bass as a low distortion subwoofer in single or multi-driver speaker designs.

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
Need more information?
Our staff are available to answer any questions you may have about this item


Customer Reviews
0 reviews
Be the first to review this item!