Scan Speak 30W/4558T 12" Subwoofer

ScanSpeak Discovery Line 30W/4558T 12" Subwoofer - 4 ohm

• Aluminum Cone, Black Anodized
• Fiberglass/Paper Sandwich Dust Cap, Black Coated
• 56 mm peak excursion – 25mm linear (X-max)
• Aluminum Short Circuiting Ring
• Aluminum Pole Piece Extension to reduce distortion and power compression
• Titanium Voice coil former
• Vented cone / dustcap
• Nomex spider
• Low damping rubber surround
• Litz wire woven into the spider

Suggested box alignments: 

• One cubic foot sealed for use in autosound systems.
• One cubic foot sealed with a plate amp and boost for use in home systems.
• The 30W/4558T and the 30W/0-00 passive radiator in a 2.5 cubic foot box should be 3dB down at 30Hz.
• For a vented box of 2.5 cubic feet, 3" vent by 11" long, your F3 is 27Hz.