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OPPO Digital Oppo - PM-1 Planar Magnetic Headphones

Headphones

$1,099.00
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Item: AOPPOPM1
Description

Oppo PM-1 Planar Magnetic Headphones

A New Breakthrough in Planar Magnetic Technology: Oppo PM-1 Establishes New In-Class Benchmarks for Performance, Comfort, and Luxury

Seven-Layer Diaphragm, Double-Sided Spiraling Coils, Lightweight Feel, and Top-Flight Build Quality Define Oppo PM-1 Construction; Exceptional Balance, Naturalism, and Dynamics Personify the Sound

Now hear this: Oppo does for planar magnetic headphones what it's done with universal players. Namely, completely changing the game. Combining years of research and new technologies, PM-1 utilizes a unique seven-layer diaphragm and double-sided spiraling coils, ultimately resulting in greater efficiency and the elimination of intermodulation distortion. Musically natural, dynamic, and balanced, the open-back PM-1s are lightweight, rugged, and able to be driven even by mobile devices. The bar has been raised. We cannot wait for you to put these on your head. And of course, your satisfaction is 100% Music Direct Guaranteed.

"This is the new benchmark for premium headphones."
– Jeff Dorgay, TONEAudio

Oppo PM-1 Planar Magnetic headphones offer a different way of thinking about planar magnetic technology. 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.

"I think that a large portion of audiophiles will find that the Oppo PM-1 ranks as the best all-around, general-purpose headphone currently available and can deliver more long-term musical enjoyment on a wider variety of sources and devices than the vast majority of "reference" headphones."
– Steven Stone, HomeTheaterReview.com

Planar Magnetic Technology
PM-1 utilizes a planar magnetic driver that sets it apart from the majority of headphones on the market. Sound is generated by a very thin and light diaphragm whose entire surface area is evenly driven. The diaphragm is driven in a symmetric pull-push manner, and the magnetic system and conductor patterns have been optimized for maximum sensitivity and consistency. This allows the diaphragm to generate very stable and linear piston-like vibrations, ensuring phase coherence and high resolution performance with minimal distortion.

"The Oppo PM-1 headphones take the prize as the best all-around headphone I've ever used. When I want to listen to headphones, I have many options...more often than not I find myself reaching for the Oppo PM-1s...I don't care, I'm too busy enjoying the music!"
– Steve Stone, The Absolute Sound

Unique to the Oppo PM-1 is the use of a double-sided diaphragm, which allows us to place twice as many conductors within the magnetic field and eliminate any passive return zones where the conductors do not work. This results in the use of 100% of the conductor length, which in turn results in greater efficiency. In addition, this flat conductor pattern eliminates inductance-related intermodulation distortion, common with dynamic headphones, and the Oppo PM-1's purely resistive impedance means that sound quality is unaffected by a headphone amplifier's output impedance.

The Oppo PM-1 combines high sensitivity with low weight, allowing it to be used freely with portable devices without requiring additional amplification. Its circumaural, open-back design provides the best in sound quality and comfort, and the overall rugged construction ensures that the headphones can withstand mechanical and environmental stress.

Phase Coherence
When sound enters the ear, it has a planar wave front with all spectrum components in phase. A typical dynamic headphone driver disrupts this coherence with its phase irregularity, resulting in less than perfect signal peak reconstructions. Oppo's planar magnetic driver has much better phase coherency since all parts of the diaphragm are vibrating in concert without break up and delayed resonance.

Purely Resistive Impedance
Oppo's planar magnetic driver has a flat conductor pattern that does not have any inductive components. This eliminates inductance related intermodulation distortion, which is especially common in dynamic drivers with high impedance and a high number of voice coil turns.

Stability, Consistency, Reliability
Many planar magnetic headphones have large balance deviations between the left and right channels, and accurate stereo reproduction is contingent on having a very close match between the left and right channels. During the Oppo PM-1's manufacturing process, drivers are closely matched to ensure optimum stereo imaging and soundstage.

Double-Sided Spiraling CoilsThe diaphragm utilizes a spiraling pattern of flat aluminum conductors on either side of the driver. The double-sided design allows twice as many conductors to be placed within the magnetic field, which leads to higher sensitivity, better damping, and even drive force.

FEM-Optimized Magnet System
An FEM-optimized magnet system with very high energy Neodymium magnets is used to maximize sensitivity and consistency of the applied force over the driver area.

High Sensitivity
Many planar magnetic headphones have a sensitivity far below 100 dB and require very powerful amplifiers to drive. The Oppo PM-1 has a sensitivity of 102 dB, which allows it to pair well with both mobile devices and scale upwards when used with high end headphone amplifiers.

Build Quality
The Oppo PM-1 is ruggedly constructed with an emphasis on long term use and maximum consistency from unit to unit. The headphones have been tested to very high standards to withstand mechanical and environmental stress in order to guarantee exceptional performance throughout its lifespan.

Comfort
Many planar magnetic headphones weigh over 500g and are often viewed as being uncomfortable. With a weight of 395g, the Oppo PM-1 strikes a delicate balance between weight, comfort, and elegant industrial design.

Luxury Materials
The Oppo PM-1's ear cushions are made out of the highest quality natural latex, which is superior and longer lasting to any chemically formulated foam. It is naturally hypoallergenic, retains its mechanical spring-like properties for much longer periods, and resists moisture build up from sweating. The headband and earpads are made of hand selected lambskin that provides a luxurious look and feel.

Easily Replaceable Components
The Oppo PM-1's earpads are mounted on rubber inserts and can be easily cleaned or replaced. This design also makes switching between the leather and velour earpads nearly effortless. The headphone cable is detachable and uses 2.5 mm mono mini jacks to connect to the earcups, making it easy to switch between the longer, 6.35 mm terminated cable for home use, and a shorter, 3.5 mm terminated cable for portable use.

Premium Accessories
The 6.35mm terminated headphone cable features Ohno Continuous Casting (OCC) construction wrapped in a black fabric sleeve. The selvedge denim carrying case transports and protects the headphones in style, and the alternative set of velour pads provides a slightly different sound signature.

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Acoustic Principle: Open back
Ear Coupling: Circumaural
Nominal Impedance: 32 Ohm
Sensitivity: 102 dB in 1 mW
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
Long-Term Max Input Power: 500 mW according to IEC 60268-7
Pulse Max Input Power: 2 W

Clamping Pressure: 5 N
Cables:
    3m detachable OCC cable (6.35 mm)
    1m detachable OFC cable (3.5 mm)
Cable Connectors:
    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
    Alternative set of velour ear pads
    User Manual

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User Manual (PDF, 1.2 MB)


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