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    Fane BR18XS 18 inch Subwoofer Speaker Cabinet Design Plan
    Fane BR18XS 18" Subwoofer Speaker Cabinet Design Plan
    Optimised for use with the Fane Colossus Prime 18XS
    Free design
    ** Free speaker design plan - no purchase required
    Fane EN21802 2x18 inch Subwoofer Speaker Cabinet Design Plan
    Fane EN21802 2x18" Subwoofer Speaker Cabinet Design Plan
    Optimised for use with Fane 18" woofers
    Free design
    ** Free speaker design plan - no purchase required
    Fane EN11801 1x18 inch Subwoofer Speaker Cabinet Design Plan
    Fane EN11801 1x18" Subwoofer Speaker Cabinet Design Plan
    Optimised for use with Fane 18" woofers
    Free design
    ** Free speaker design plan - no purchase required