Stax Srx MK3 Headphones With Srm-1/Mk-2 Amplifier
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Stax Srx MK3 Headphones With Srm-1/Mk-2 Amplifier Tested Sounding Perfect, Probably the best headphones we ever tested. They are close to brand new.
The Stax SR-X MK3 headphones are vintage electrostatic "ear speakers" known for smooth, natural sound, requiring a dedicated Stax energizer (like the SRD-7) for their ~230V bias, featuring 1.5-micron diaphragms, a wide frequency response (e.g., 20-70kHz), and operating on a unique electrostatic principle, not typical wired specs. Key is the bias voltage (Normal or Pro) and their need for an energizer, not standard headphone jacks. Key Specifications (Varies slightly by variant, especially Normal vs. Pro bias):
- Type: Electrostatic Earspeaker (Open-Back, Over-Ear).
- Sound Principle: Electrostatic (Requires Stax Energizer/Amp).
- Diaphragm: ~1.5 micron (same as Gamma/Alpha Pro).
- Frequency Response: Often cited around 20 Hz - 70 kHz (tolerance unstated).
- Sensitivity: ~97 dB SPL @ 100V RMS (with 230V bias).
- Max Output: ~110 dB SPL (with 230V bias).
- Bias Voltage: Normal Bias (e.g., 230V) or Pro Bias (580V).
- Weight: Around 290g (without cord).
- Connection: Proprietary Stax 5-pin connector (to energizer).
This item is sold As-Described
This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.
| Listed | 6 months ago |
|---|---|
| Condition | Excellent (Used) Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more |
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