MD40N2

4” Mid-Range Speaker

  • 4Ω nominal impedance
  • 3.6Ω minimum impedance
  • 60W RMS capacity
  • 90 dB sensitivity
  • 175-16K Hz response
  • 38.6mm(1.5in) voice coil

MD40N2 offers refined, sophisticated sound with precise, balanced midrange and abundant, natural details. Its rigorous, stable structure effectively reduces distortion, delivering transparent, delicate vocals and clear instrument outlines. A high-performance magnetic system provides excellent transient response and soundstage positioning, with warm, elastic midrange and superior resolution.

  • GENERAL SPECIFICATIONS
  • THIELE SMALL PARAMETERS
  • EXTRA INFO
Nominal Chassis Diameter4/103 in/mm
MAX Power120 Watts
RMS Power60 Watts
Impedance4 ohm
Resonance Frequency175 Hz
Frequency Response175-16K Hz
Sensitivity(1W/1m)90 dB
Voice Coil Diameter1.5”/ 38.6mm
Winding materialCCAW
MagnetNeodymium
FS    175 Hz
Vas    0.67 dm²
RE    3.6 ohm
Qms    10.0
Qes    0.81
Qts    0.75
BL    4.59 T/m
MMS    4.36 grams
Xmax    2.7 mm
Sd    50.2 cm2
Efficiency    0.42 %
EBP    216

 

Overall Diameter4/103 in/mm
Bolt Cirde Diameter4.2/106 in/mm
Baffle cutout Diameter3.7/93 in/mm
Depth2.36/60 in/mm
Net Weight0.45 kgs
Shipping Weight0.55 kgs
Shipping Box10.5×10.5×6.5 cm
Scroll to Top