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PS40Planar Speaker

Alternate Audio PS40 The Alternate Audio PS40 represents the state-of-the-art in permanent magnetic push/pull planar speakers. Nearly 10 years of development have resulted in a speaker that is capable of extremely high-resolution audio reproduction.

The advanced technology of the PS40 offers the following benefits:

  • Very wide bandwidth
  • High power handling
  • Controlled dispersion pattern
  • Extraordinary dynamic range
  • Linear push/pull magnetic structure resulting in ultra low distortion
  • Purely resistive loading (planar element)
  • Detail and resolution to rival live performance
  • High-quality polypropylene crossover caps
  • Gold-plated binding posts

Crossover caps Binding Posts

The PS40 is capable of resolving precise details in any musical source due to the diaphragm's extremely low mass. The PS40 effortlessly handles the frequency range of most woofers, midranges, and tweeters, even though the PS40's diaphragm is lighter than the diaphragms of most common tweeters! This wide bandwidth capability minimizes the need for crossover networks and their associated distortions.

The PS40 is capable of resolving precise details in any musical source due to the diaphragm's extremely low mass. The PS40 effortlessly handles the frequency range of most woofers, midranges, and tweeters, even though the PS40's diaphragm is lighter than the diaphragms of most common tweeters! This wide bandwidth capability minimizes the need for crossover networks and their associated distortions.

PS40 Impulse Response

The PS40 uses a push/pull magnetic structure. This structure is expensive and difficult to manufacture, but results in a diaphragm that is always in the controlling magnetic field. The benefit of this is a sound with ultra-low distortion. Coupled to the PS40 planar element is a 10" Kevlar cone woofer of uncompromised quality.

Specifications

Parameter Value
Diaphragm size height: 40 inches, width: 4 inches
Diaphragm piston area 160 square inches
Diaphragm thickness 0.33/1000 inches
Diaphragm mass 6 grams
Magnetic structure push/pull linear
Magnetic structure mass 5.5 pounds ceramic V
Frequency response (planar element) 200Hz to 19kHz +/-3dB
Frequency response (system) 35Hz to 19kHz +/-3dB
Sensitivity 87dB @ 1W/m
Power handling 200 Watts continuous
Impedance (planar element) 6.7 ohms pure DC
Impedance (system) 8 ohms nominal
Crossover 300Hz first order, or bi-amp capable

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PS40 Reviews

  • Dan Sweeny

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