18" Die-Cast Aluminum Woofer Basket, Open Air Design, for ~ 250oz Motors, ~ 3 ¼" VC*, multiple spider landings for different cone depth

• Material: Die-Cast Aluminum, Metallic Silver Color
• Cone Clamping OD: N/A" [mm]
• Cone Clamping ID: N/A" [457mm]
• Effective Cone Height: Landing-1, N/A" [120mm]; Landing-2, N/A" [N/Amm]; Landing-3, N/A" [N/Amm]
• Spider Clamping OD: Landing-1, N/A" [N/Amm]; Landing-2, N/A" [ mm]; Landing-3,N/A" [ mm]
• Spider Clamping ID: Landing-1, N/A" [205mm]; Landing-2, N/A" [ mm]; Landing-3, N/A" [ mm]
• VC Opening ID: 4.29" [109mm], for up to 4 " VC* (* Can be machined for  " VC)
• Overall OD:  " [ 463mm]
• Overall Height::  " [ 160.5mm]
• Motor Mounting: Screw mount; 0.25" [6.5mm] dia., 6 Holes, equally spaced on " [ 127mm] mounting diameter
• Baffle Mounting: 0.25" [6.5mm] dia., 8 Holes, equally spaced on  " [ 441.8mm] mounting diameter
• Recommend Baffle Cutout ID:  " [ mm]