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Oppo PM-1 Planar Magnetic Headphones

RRP: $ 1,699.00 AUD
$ 1,529.00 AUD
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The OPPO PM-1 Planar Magnetic headphone offers a different way of thinking about planar magnetic technology. The PM-1 is characterized by its natural, dynamic, and engaging sound quality with an emphasis on comfort and reduced weight. It is the result of many years of research led by a team comprised of passionate audio and acoustics engineers, chemical and materials scientists, and audiophiles. A number of technological breakthroughs have made their way into the PM-1, including the use of a unique 7-layer diaphragm, double-sided spiraling coils, and an FEM-optimized magnet system.

The advantages of planar magnetic technology are based on the fact that in a planar driver, sound is generated by a very thin and light diaphragm that is driven evenly over the entire radiating area. Sound, entering our ear, has a planar wave front at the so called ear reference point (ERP), with all spectrum components in phase. A typical dynamic headphone driver, due to its phase irregularity, disrupts that coherence, resulting in less than perfect signal peak reconstruction, especially of very short impulses. A planar magnetic driver has another advantage that relates to its purely resistive impedance. It has a flat conductor pattern that does not have any inductive component, which eliminates inductance related IM distortion, common in dynamic headphones. A resistive load also ensures that any amplifier will drive the headphones without any changes in spectral balance.

  • Custom designed open back planer magnetic headphones
  • Proprietry driver not used in any other headphones
  • Rigorous construction with sophisticated fit and finish
  • FEM optimised magnet system with very high energy neodymium magnets
  • Large oval planer diaphragm is positioned in an evenly distributed symmetric magnetic field
  • Plush padding and reduced weight for exceptional comfort
  • Nominal Impedance 32 Ohm
  • Sensitivity 102 dB in mW
  • Frequency Response: 10 - 50,000 Hz
  • Wooden Box
  • Carrying Case
  • 6.35mm and 3.5mm Cables
  • Alternative set of velour ear pads
Acoustic Principle: Open back
Ear Coupling: Circumaural
Driver Type: Planar Magnetic
Driver Size (Oval): 85 x 69 mm
Magnet System: Symmetric push-pull neodymium
Frequency Response: In Free-Field 10 - 50,000 Hz
Nominal Impedance: 32 Ohm
Sensitivity: 102 dB in 1 mW
Clamping Pressure: 5 N
Cables: 3 m detachable OCC cable (6.35 mm), 1 m detachable OFC cable (3.5 mm)
Output: 2.5 mm mono mini jacks
Input: 6.35 mm stereo jack, 3.5 mm stereo jack
Weight: 395 g (without cable)
Included Accessories: Wooden Box, Carrying Case, 6.35 mm and 3.5 mm cables, Original set of lambskin leather ear pads, Alternative set of lambskin leather ear pads, Set of velour ear pads, User Manual

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