Abyss AB1266 Phi TC


Audiophile Reference Headphones

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The Abyss AB-1266 Phi TC is considered to be one of the finest sounding headphones money can by and often considered to be at the apex of the headphone world.

Their ultra-thin patented TC (Total Consciousness) planar speaker drivers make the AB-1266 the highest resolution headphones on the planet, allowing you to hear the most subtle nuances within your music in a most natural way.

Their factory applied oven cured ceramic coating in a two tone luxury black color displays a more sophisticated look in person. Larger more comfortable ear pads improve the sound even further, in total taking the Phi’s acoustic performance to even higher levels of sonic bliss.

From the very first note you will hear musicians and instruments in a whole new way. Voices appear out of nowhere and float in between your ears. Piano is in front of you to the left, singers in front of your forehead while drums are slightly forward of them. No electronic tricks, simply the natural sounds of the recording coming through, utterly natural & convincing. The AB-1266 Phi can convey the power of a huge symphony and the nuances of the quietest sounds in nature, but most of all, it is like a hardwired direct connection to your emotions. A private blissful, elevated concert for one.

The exceptional sound of the Abyss AB-1266 Phi is largely due to the quality and attention to the finest of details in the design & manufacturing process. The whole headphone is manufactured within the Abyss facility in Buffalo, New York, USA. The fact that every single part is made in house gives the Abyss engineering team full control over every parameter of the design and construction process. The aircraft grade aluminium frame components are machined and finished, the patented planar speaker drivers are crafted from the highest quality materials and the complete headphone is assembled with US made stainless hardware.

The Abyss AB-1266 Phi has the following features:

  • Chassis consists of left/right side frames and adjustable two-piece headband. No plastic parts to break, all components machined from solid aluminum for exceptional strength.
  • Integrated resonance control for minimal added coloration.
  • Patented planar magnetic transducer design utilizing their very thin, very low mass diaphragm. Effortless dynamics and low level detail retrieval in the bass, mids, and highs with spacious sound outside of your head. A front row listening experience with stunning bass impact no other headphone can provide, like the finest loudspeakers in a private room.
  • Matched driver pairs.
  • Unique custom made high power neodymium magnets with optimized slot pattern.
  • Low carbon steel front baffle with integrated resonance control.
  • High quality two-tone polymer ceramic finish, the hardest thin film coating in the world. Custom colors can be made to order.
  • Unique foamed aluminium sides acoustically tuned to our planar diaphragm for completely open sound.
  • High quality soft lambskin ear pads provide comfort and finely tuned acoustics. Magnetically adjustable positioning lets you fine tune acoustics and fit for your music, and you.
  • Beautifully made padded French leather headband with head movement isolation properly distributes weight for hours of comfortable wear. Looks are deceiving, these headphones are designed not to clamp your head, but rather float atop and loosely touch your ears.
  • ‘ABYSS’ embossed logo.
  • Nicely hand-crafted two-tone felt lined wooden box touting the Abyss Headphones logo secures all of the above (made in New York).
  • All main components permanently laser engraved for traceability and collectability.

Sometimes with products that re-define what we can expect from their genre, it is difficult to find words that can accurately describe what they do. With the AB-1266 Phi TC headphones, musical information is clearly defined & resolved down to the minutiae, harmony can easily be heard as a collective and as individual singers within the group. Instrument separation is phenomenal and the articulation of the bass is on an unprecedented level.

The sound of these headphones easily compares to and in many areas exceed the finest two channel audiophile systems money can buy. They communicate the musical message and take you back to that time and place…. Transcend beyond the expected.

Available Accessory Packages

The Abyss AB-1266 Phi TC comes in 2 different packages, depending on the level of accessories that you prefer.

Package AB-1266 Phi TC Standard AB-1266 Phi TC Complete
Headphone AB-1266 Phi TC AB-1266 Phi TC
Cable Balanced 2.5m (8ft) 4 pin XLR cable, with flexible 1/4″ (6.3 mm) adaptor. All cables are high performance custom made by JPS Labs for Abyss. Upgraded JPS Labs Superconductor HP balanced 2.5m (8ft), choice of dual 3 pin or 4 pin XLR cable sets, the highest performance cables available for the AB-1266, and 1/4″ (6.3 mm) adaptor (plus 4 pin XLR Y-adaptor with dual 3 pin). (Custom cable lengths available)
Travel Bag Velvet bag with embroidered ABYSS logo. Heavy leather man bag style carry case (made in California, USA) with extra room and pockets for an iPad, portable amp or player, for a completely portable high resolution audio system.



the Absolute Sound - Golden Ear Award 2019Headphone.Guru 2017 Writer's Choice Award - Peter PialisHi-Fi+ Awards 2017Enjoy the Music.com - Best of 2016 AwardEnjoy the Music .com - Blue Note Award 2016PF Brutus Award 2016 - Abyss AB 1266


Recommended Matching Components

High performance headphones require a quality portable headphone player or headphone amplifier for best results. A mobile phone will not play to satisfying levels nor quality. These headphones will work with many amplifiers and cables however the following components have been tested and highly recommended by the manufacturer for optimum performance:

Product Specification

Model Abyss AB-1266 Phi TC
Description Statement headphone, incorporating large 63mm patented planar speaker drivers
Distortion Less than 1%; Less than 0.2% through the ear’s most sensitive range
Phase Flat
Sensitivity 88 dB/mw
Frequency Response 5 Hz – 30 kHz
Impedance 47 ohms nominal
Weight 640 grams

Additional information


Standard Package (4-pin Balanced XLR Connector – 2.4m), Complete Package (4-pin Balanced XLR Connector – 2.4m)