Memphis 15-PRX8D4

  • Carbon layered cone
  • 4-layer winding on a 1 1/2″ Kapton® voice coil
  • Double roll butyl rubber surround stitched to the cone
  • Dual flat spiders with graduated rolls
  • Vented basket and vented spider spacer
  • Single or dual 4Ω voice coil

Specification

Resonant Frequency (Hz) 47.22
Vas (Cf.) 0.4
Mechanical Q (Qms) 5.1
Electrical Q (Qes) 0.59
Total Q (Qts) 0.53
Sensitivity @ 1W/1M (db) 85
Motor Strength (T/M) 7.24
Recommended RMS Power (Watts) 150
Maximum Peak Power (Watts) 300
Driver Displacement (Cf.) 0.04
Size (in) 8
Cut-Out Diameter (in) 7
Frame Diameter (in) 8.2
Mounting Depth (in) 4.25
Magnet Weight (oz) 41
Voice Coil Diameter (in) 1.5
Moving Mass (Grams) 55.88
Linear Xmax (in) 0.2
Linear Xmech (in) 0.3