250 oz Magnet Dual Slug Assembly for 4" Voice Coils

• Double Stack 125 oz Y30 (ø220mm x ø110mm x 25mm) Ferrite Ceramic Magnets
• Ventilated Pole-Piece
• VC Cooling Channels
• Black Anodized Front Plate and T-Yoke
• Can be magnetized, select from Option
• Pole-Piece OD: 3.819" dia. [ø97mm]; Rel. Height: 2.42" [61.5mm]
• Top Plate ID: 4.095" dia. [ø104mm]
• Top Plate OD: 8" dia. [ø203.2mm]
• Top Plate Thickness: 0.374" [9.5mm]
• Back Plate OD: 8" dia. [ø203.2mm]
• Back Plate Thickness: 0.374" [9.5mm]
• Mounting: 0.276" [7mm] thread dia., 6 Holes, equally spaced on 5.512" [140mm] mounting diameter