Scan-Speak 30W/4558T00

Scan-Speak 30W/4558T00 12" Subwoofer - 4 ohm

• Aluminium 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

Specifications

• power handling (continuous/programme) = 150/350 W
• frequency range = 15-400 Hz
• resonance frequency fs = 17 Hz
• impedance R = 4 Ohm
• sound pressure level SPL = 89 dB (2,83V; 1m)
• DC resistance Re = 2,6 Ohm
• force factor BL = 10,5 N/A
• effective piston radiating area Sd = 466 cm²
• effective mechanical mass incl. air load mms = 135 g
• equivalent volume of compliance Vas = 197 l
• total Q factor Qts = 0,32 (Qms=5,01, Qes=0,34)
• voice coil diameter = 51 mm
• maximum peak linear excursion vibration x_lin = +/- 12,5 mm
• mounting diameter d = 280 mm
• overall diameter d = 308 mm
• mounting depth (not countersunk) t = 149,3 mm