The “g” latest revision of the 2508 features major performance enhancements, such as an increased magnet diameter for greater power and control, new dual stage aluminum heat sinks for improved heat management, a reimagined competition grade iron cloth spider with more stability and better durability, a second generation V-ROM surround with triple density expansion joint to further smooth the effects of expansion/contraction, an X-5 carbon loaded synthetic fiber non-pressed pulp cone with a peerl