ESB Audio 4.100 100 mm Midrange Speaker (pair)

Main Features

• Pole piece in very low carbon steel alloy CNC machined with magnetic analysis software (FEM), cold forged from a single piece creating a perfect geometry. This produces an extra magnetic force concentration right in front of the voice coil, focusing the magnetic force where it is needed.
  
• High-grade neodymium magnets. Not all magnets of the same size are equally strong. This high-grade (N-52), high-energy magnet offers high resistance to demagnetization and is more than 25% stronger with the same mass than more common lower-grade (N-48) magnets.
  
• Die-cast aluminum alloy basket chassis. This structural design offers excellent rigidity and minimal resistance to airflow movement without altering sound quality. The casting of this aluminum basket follows strict procedures that ensure compliance and help maintain consistent casting quality.
  
• CNC-machined very low carbon steel alloy plate. This type of manufacturing process ensures perfect flatness so that it seats perfectly on the magnet without detracting from the critical magnetic flux.
  
• Large aluminum copper-clad vented voice coil can withstand very high power while reproducing music with extreme realism and high dynamics. The copper-clad aluminum wire voice coil is very light and has excellent heat dissipation/capacity.
  
• Long fiber, unbleached cellulose cone with a special external treatment that makes this material a perfect combination of lightness, rigidity, and internal damping.
  
• Edge mounting made of soft nitrile rubber, UV resistant and insensitive to temperature variations, to keep the excellent acoustic characteristics of this speaker for a long time. The special edge design ensures perfect and free front and back movement.
  
• High-quality protective stainless steel grille.

Specifications

• Nominal Impedance: 4 Ohm
  
• Nominal Power Handling: 100 W
• Transient Power: 200 W
  
• Frequency Response: 120 Hz ~ 10 kHz
  
• Sensitivity: 89.2 dB 2.83 V/1 m