Scanspeak Discovery 30W/4558T00

Discover the Scanspeak Discovery 30W/4558T00: A 12" (30cm) subwoofer built in the traditional Discovery series design. This subwoofer delivers superior sound, features a robust construction and is available in a wide range of variants. Technical features include a maximum peak excursion of 56mm, a high output power of 89dB at 2.83V and a low resonance frequency of 17Hz. Despite its high-quality specifications and performance, the subwoofer remains accessible at a reasonable price. The precise customizability offers you the opportunity to tailor your own personal Scanspeak subwoofer.

• 56 mm peak deflection, 25 mm linear
• High output power 89dB @ 2.83V
• Low resonance frequency 17Hz
• Anodized aluminum membrane, dust cap made of fiberglass
• magnet system with aluminum ring
• Die-cast aluminum chassis with ventilation under the spider

• Size: 30 cm
• external dimensions 308 mm
  
• installation dimension 280 mm
  
• Installation depth (total) 144.3 mm
  
• basket material: die-cast aluminum
  
• membrane type cone
  
• membrane surround rubber
  
• membrane material aluminum
  
• Dustcap Material Fiberglass
  
• Sinus load capacity 350 watts
  
• impedance 4 ohms
  
• Resonance frequency fs: 17 Hz
  
• mechanical quality Qms: 5.01
  
• electrical quality Qes: 0.34
  
• Overall quality Qts: 0.32
  
• Equivalent volume Vas: 197 liters
  
• DC resistance Re: 2.6 Ohm
  
• Inductance Le: 0.83 mH
  
• Compliance Cms: 0.65 mm/N
  
• Moving mass Mms: 135 g
  
• mechanical damping Rms: 2.88 kg/s-¹
  
• Membrane stroke +/- Xmax: 28 mm
  
• Force factor Bl: 10.5 N/A
  
• Membrane Ø Md: 244
  
• Membrane area Sd: 466 cm²
  
• Sound pressure dB: 89 SPL