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Audax HM130Z0 Midrange

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Audax HM130Z0 Midrange

Audiophile 5¼ inch / 130mm dedicated midrange drive unit featuring a HD-A (High Definition Aerogel) cone, fully ventilated diecast chassis, edgewound flat copper voicecoil, high loss rubber phase plug and suspension. Designed for no-compromise 3 or 4 way high end loudspeaker systems.

New old stock in original factory boxes - very rare.

Key Features:

  • HD-A High Definition Aerogel cone
  • Non resonant diecast Zamak chassis
  • Edgewound flat copper voicecoil
  • High compliance rubber suspension
  • Kapton voice coil former
  • High loss rubber phase plug
  • Gold plated terminals

Basic parameters:

Resonant frequency (fs) 68 Hz Nominal impedance (Zn) 8 Ω
Mechanical  Q factor (Qms) 12.16 DC resistance (Re) 6.4 Ω
Electrical Q factor (Qes) 0.32 RMS power handling 50 W
Total Q factor (Qts) 0.31 Sensitivity (2.83V/1m) 92 dB
Equivalent volume (Vas) 8.3L Chassis diameter (cropped) 152 mm

Here's the full datasheet:

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