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SPH-135TC

Monacor SPH-135TC Bass / Midrange

The Monacor SPH-135TC is a 135mm / 5¼"midwoofer with 2 separate 8 ohm voice coils wound on a single voice coil former that can be configured for 4, 8 and 16 ohm applications.

Featuring a mineral loaded (carbonised) polypropylene cone with a high internal damping factor, this highly adaptable unit offers a flat extended response and is an excellent replacement for the Audax HD13B 25H-2C12 16 ohm as found in the classic JR150 loudspeaker.


Key Features:

  • Mineral Loaded PP Cone
  • Smooth Frequency Response
  • Dual 8 ohm Voice Coils
  • Large Ferrite Magnet
  • Vented Pole Piece
  • Excellent Value

Basic parameters:

Resonant frequency (fs) 40 Hz Nominal impedance (Zn) 2x 8 Ω
Mechanical  Q factor (Qms) 3.44 DC resistance (Re) 2x 7.5 Ω
Electrical Q factor (Qes) 0.48 Max power handling 2x 60W
Total Q factor (Qts) 0.42 Sensitivity (2.83V/1m) 85 dB
Equivalent volume (Vas) 16L Chassis diameter (pincushion profile) 135 mm

 

Here's the full datasheet:

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SPH135TC, SPH 135TC