STAX - SR-64 Electret- Headphone





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STAX SR-64 electret headphone set (SR-60 + SRD-4) in good physical condition and tested and functional.
Description from the seller
STAX SR-64 Electret Headphone Set (SR-60 + SRD-4) – Vintage 1980s
The call is answered by a classic from the Japanese high-end forge STAX: the SR-64 set. This combination offers the legendary, high-resolution electrostatic sound in straightforward handling.
System configuration
Please note: The model designation STAX SR-64 technically refers to the original factory combination of:
SR-60 Electret headphones (250g)
SRD-4 power unit (adapter for connection to conventional speaker outputs)
Condition & maintenance
The set is in well-kept condition and has been optimized for continued use:
Earpads: These have recently been replaced with new pads, which improves both hygiene and comfort to a near-new level.
Repair: A support spoke of the left earcup was professionally repaired (glued) after a break. The repair is very discreet and does not noticeably affect stability or aesthetics.
Accessories: Since the original packaging is no longer complete, the cut-out back panel of the original carton is included. This is especially valuable as it contains the printed operating manual and the connection diagram. Two small spare retaining pins for the earcups are included!
Technical specifications:
Type: Electret condenser headphones (Push-Pull)
Frequency response: 25 Hz to 25,000 Hz
Connection: Direct to the speaker terminals of an integrated amplifier or power amp via the SRD-4 power unit
Special feature: No separate power supply needed, as the system derives the required voltage from the loudspeaker signal.
Sound characteristics
The SR-64 captivates with the speed and detail fidelity typical of STAX. It is an excellent entry point for collectors who want to experience the transparent "Stax Sound" without having to invest in expensive special amplifiers.
STAX SR-64 Electret Headphone Set (SR-60 + SRD-4) – Vintage 1980s
The call is answered by a classic from the Japanese high-end forge STAX: the SR-64 set. This combination offers the legendary, high-resolution electrostatic sound in straightforward handling.
System configuration
Please note: The model designation STAX SR-64 technically refers to the original factory combination of:
SR-60 Electret headphones (250g)
SRD-4 power unit (adapter for connection to conventional speaker outputs)
Condition & maintenance
The set is in well-kept condition and has been optimized for continued use:
Earpads: These have recently been replaced with new pads, which improves both hygiene and comfort to a near-new level.
Repair: A support spoke of the left earcup was professionally repaired (glued) after a break. The repair is very discreet and does not noticeably affect stability or aesthetics.
Accessories: Since the original packaging is no longer complete, the cut-out back panel of the original carton is included. This is especially valuable as it contains the printed operating manual and the connection diagram. Two small spare retaining pins for the earcups are included!
Technical specifications:
Type: Electret condenser headphones (Push-Pull)
Frequency response: 25 Hz to 25,000 Hz
Connection: Direct to the speaker terminals of an integrated amplifier or power amp via the SRD-4 power unit
Special feature: No separate power supply needed, as the system derives the required voltage from the loudspeaker signal.
Sound characteristics
The SR-64 captivates with the speed and detail fidelity typical of STAX. It is an excellent entry point for collectors who want to experience the transparent "Stax Sound" without having to invest in expensive special amplifiers.

