Diana Phi vs Ultrasone Edition 5 Unlimited
The Edition 5 Unlimited's sensitivity is 96 dB against the Diana Phi's 91 dB, its low-frequency extension 5 Hz against 6 Hz, and its driver size 40mm against 63mm. Both share impedance (32Ω).
AI-generated product photo — not official manufacturer imagery.
HeadphonesOver-Ear HeadphonesHeadphone CablesDiscontinued
About the Diana Phi
The Abyss Diana Phi is a high-end, open-back planar magnetic headphone that redefines portable luxury audio. Launched as an upgrade to the original Diana, the Phi version incorporates the 63mm Phi planar drivers from Abyss's flagship AB-1266 Phi CC, delivering world-class dynamics, resolution, and refinement in a remarkably compact and lightweight (350g) package. The Diana Phi features a high-tech ceramic finish, sporty leathers, soft Alcantara®, and hand-carved, extra-wide ear pads for exceptional comfort. Its EMotion headband magnetically adjusts for a perfect fit, while the Fibonacci side hole pattern optimizes acoustic tuning. Each unit is meticulously machined, finished, and assembled in Buffalo, New York. The Diana Phi is celebrated for its huge soundstage, deep and fast bass, and lifelike vocal reproduction, making it a reference choice for discerning audiophiles seeking top-tier performance in a portable form factor.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 91 dB SPL @ 1W/1m
- Impedance
- 32Ω
- Frequency Response
- 6 Hz - 26 kHz
Headphone Design
Headphone driver and design characteristics
- Type
- over-ear
- Driver Type
- planar_magnetic
- Open/Closed Back
- Closed Back
- Driver Size
- 63mm
- Weight
- 350 g
Physical Dimensions
Size, weight, and appearance
- Weight
- 0.35 kg (1 lbs)
- Available Colors
- High-tech ceramic
Key Specifications
Sensitivity: 91 dB
Impedance: 32Ω
Frequency: 6-26000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions