$550 Was $750



$550 Was $750

The SR-307 Lambda Series Electrostatic Earspeaker was meticulously engineered by the Stax team in Japan to provide shockingly accurate reproductions.

One only pair of SR-307’s as new – found in the back of our warehouse. Save $200 off the RRP.

The first SR-Λ (lambda) as a 30 year break since the birth of the series, SR-307. Conventional sound elements, compared to the diaphragm Dimensions (board) is due to the structure as simple as possible so the area can be effectively used. Utilising new elements with the advantages of traditional, it is possible to achieve a strong plastic case and packaging. This reduces the turbidity of the sound quality which is improved and more reliable.With the vibrating membrane’s new material we were able to achieve, rich bass which is profound and forceful, and still manage to get both high-pitched, delicate sounds.

push-pull electrostatic, oval sound element, open-air back type enclosure (case)
Frequency Response: 7-41,000Hz
Electrostatic Capacity: 120 pF (including attached cord)
Impedance: 132KΩ (including attached cable at 10KHz)
Sensitivity : 101dB / 100V r.m.s. input / 1KHz
Standard Bias Voltage: 580 VDC (standard)
Left-right channel display: L/R display on arc assemply (inside head spring)
Solid line (left) and dotted line (right) on cable
Ear Pads High quality artificial Leather: (EP-234GR)
CordsL: Parallel 6-strand, 2.5m full length, low-capacity special wide cable
Cord Conductor: PC-OCC
Weight: 490 g (including cord),
340 g (main unit only)
Ambient temperature and humidity for use
0 to 35 degrees celsius / max. 90% (without condensation)



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Please note that online orders can take up to seven (7) days to be delivered if not in stock Dismiss