MD40N2

4” Mid-Range Speaker

  • 4Ω nominal impedance
  • 3.6Ω minimum impedance
  • 60W RMS capacity
  • 90 dB sensitivity
  • 175-16000 Hz response
  • 38.6mm(1.5in) inside-outside voice coil

MD40N2 This midrange speaker 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. Instruments and vocals blend harmoniously for a spacious, deep stage presence.

  • 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 Response175-16000 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
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