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Grado Signature S950 vs ZMF Tessidera: which should you buy?

On aggregated review scores the ZMF Tessidera comes out ahead with an HearWiki score of 88. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: ZMF Tessidera - Outstanding overall at around $2500.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

Grado Signature S950
Sound8.0
Value6.5
ZMF Tessidera
Sound9.2
Value7.5

Specifications

Specification comparison of Grado Signature S950 vs ZMF Tessidera
SpecGrado Signature S950ZMF Tessidera
TypeOver-EarOver-Ear
Price (USD)$1976$2500
HearWiki score78 / 100 · Great88 / 100 · Outstanding
Released20252026
Audio
DriverdynamicPlanar magnetic with 1-micron diaphragm
Driver size52 mm80 mm
Drivers per side22
Frequency response3.5 Hz – 51.5 kHz20Hz-20kHz
Impedance38 Ω35 Ω
Sensitivity117 dB/mW92 dB/mW
Features
Controlsbuttons-
Design
Weight395 g570 g
Detachable cableYes-
USB-CNo-

What reviewers said

Grado Signature S950

The Grado Signature S950 is a high-end open-back headphone that leans towards a neutral, analytical sound with impressive detail retrieval and a wide, immersive soundstage. It offers strong imaging and transient response, and its high sensitivity makes it easy to drive from portable devices, though its treble can be sharp and bass weight is limited. The detachable cable and comfortable fit are practical perks, but long listening sessions may be affected by the bright tuning.

  • Pro:Excellent detail retrieval and clarity
  • Pro:Wide, spacious soundstage with strong imaging
  • Pro:Easy to drive from portable sources due to high sensitivity
  • Con:Treble can be sharp and fatiguing over time
  • Con:Bass is not particularly deep or weighty
  • Con:Midrange may sound recessed to some listeners

ZMF Tessidera

The Tessidera is a premium open-back planar headphone that channels ZMF's signature warm, musical tuning into a planar driver format. It delivers a smooth, full-bodied sound with particularly rich vocals and natural timbre, all while being relatively easy to drive for a high-end model. The build is solid overall, though the stock grill finish shows minor cosmetic imperfections.

  • Pro:Smooth, full-bodied tuning with rich vocals
  • Pro:Excellent timbre and natural instrument reproduction
  • Pro:Relatively easy to drive despite large 80mm drivers
  • Con:Mid-forward balance can vary with amplifier pairing
  • Con:Minor cosmetic roughness on the stock grill
  • Con:Heavy at 570g, requiring a sturdy headphone stand

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

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