Introduction
Have you ever asked yourself how great it would feel listening to your favorite song live in your headspace? You may just feel more of that experience with help of the latest in the legendary line of SR 007 series Stax SR 007S. The updated diaphragms, finely tuned electrodes and the luxurious sheepskin earpads provide the electrostatic earspeakers with added clarity, warmth and comfort. Now, let us get deeper into what makes the SR 007S such an audiophile treat.
The Uniqueness of Electrostatic Earspeakers.
Have you ever imagined headphones to be mini speakers? Well, the electrostatic earspeakers have a whisper-light diaphragm that is electrically charged which dances between two metal plates. The result? Sound so ultra-fast and ultra-clean it can only be described as a more real-life sound than ever before. They need special energizer amps to operate, however, believe me, it is worth it
SR 007 Series Evolution
With the earliest version as the SR 007 in 1998, and the most recent as the SR 007A in the 2007, Stax has worked on this model over the last few decades. That legacy continues with its new SR 007S, released June 30, 2025, with a sophisticated sound component and contemporary engineering.
Upgraded Sound Unit/ Electrodes
There is also a completely new diaphragm and fixed-electrode assemblyand a 20 per cent smaller air vent hole, on the SR 007S. This provides a cleaner, sharper image and maintains low toned richness.
Anti Resonance Structure (ARS)
The ARS has heritage of stealth shock absorber like in the SR X9000 flagship. It is constructed of only one plate of stainless steel, and it eliminates undesired vibrations. It also comes with a hinge to favor fitting and comfort.
Rotating Design with Sheepskin Earpads
Think of a super-conforming cushion that goes around all contours of your head and that is exactly what these sheepskin soft pads are doing. They turn to give them a bespoke seal, and the inner material is less reflective to give a crisper soundstage.
Interchangeable Cable Comfort
A fan of modular setups ups? These are delivered with a removable low capacitance six strand OFC cable. That translates to fewer cable replacement concerns and less upgrade issues.
Technical Specs in a Nutshell
- Frequency Response: 6-41,000 Hz
- Resistance: 145 K ohm
- Sensitivity: 101 dB
- Bias Voltage: 580 V DC
- Weight: 430g
- Cable: 2.5m parallel 6 strand OFC
Sound Experience: Clear, Deep & Detailed
Critics are ecstatic about the mediation between detail and richness. The tester on originals says that they also had excellent bass tightness and treble airiness, so the SR 007S should have even greater refinement.
Comfort and Fit: The Old School and the New
With the rotating cups and self-adjusting ARS, it is convenient on the head to listen long hours. The fuzzy sheepskin is like a pampering indulgence, at least as compared to the ancient leather pads .
Who is SR 007S?
When you want realistic detail, broad soundstage and subtle tonal balance, and you can afford to buy a high-powered energizer amp, this is your headphone. It suits audiophiles, musicians, producersand the like that considers music as a personal affair.
SR 007S: Amp Needs Driving the SR 007S: Amp Needs
Electrostats do not use wall outlets on your phone. You will also require a pro-bias energizer, Stax suggests an SRM 700S or even the more expensive models to give the capabilities of the SR 007S due justice.
In comparison to SR 007A & others
Although the SR 007A and MK2 had proven to be outstanding, the S version has ARS and absorbing earpads to enhance soundstage depth. It is not a flagship model, but tipped just below it compared to the SR X9000 or SR 009S, nevertheless, it is outstanding in value and sound.
Potential Drawbacks
- Expensive (n orthodox approx USD 2,200)
- It needs a special amp
- Weight (more than dynamic cans, 430⯥ g)
- Very revealing- less favorable recordings will sound worse
- Final Verdict
The Stax SR 007S is a mixture of decades of evolution, with modern accuracy. It is just like moving to 4k superlens (or a vintage film camera). It brings out all of the details, colors and shades in music. To the less risk averse it will provide one of the most immersive and revealing wearable sound experiences.
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