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Monacor SPM-165/8 Midwoofer - Mission 73-LF58W Replacement

Monacor SPM-165/8.


Good replacement for 73-LF58W as found in Mission 732, 733, 734, 735 + many other models.

This 6.5 inch unit features a damped pulp cone, a powerful 80mm ferrite magnet system and a rugged steel chassis. The frequency response is smooth with good midrange control and extension. An ideal replacement unit for many speakers.

Key Features:

  • Good value general replacement unit
  • Damped paper pulp cone
  • Very smooth response
  • Low loss rubber surround
  • Rugged steel chassis

    Basic parameters:

    Resonant frequency (fs) 49 Hz Nominal impedance (Zn) 8 Ω
    Mechanical Q factor (Qms) 2.70 DC resistance (Re) 6.5 Ω
    Electrical Q factor (Qes) 0.67 Max power handling 150W
    Total Q factor (Qts) 0.55 Sensitivity (2.83V/1m) 88 dB
    Equivalent volume (Vas) 33L Chassis (pincushion style)
    159 mm


    Here's the full datasheet:

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