Between the recently released SR-007S (test VU#62 FR) and the SR-009S, derived from the flagship SR-009 of 2011 (test VU#03 FR), the famous Japanese brand of electrostatic headphones has responded to enthusiasts’ demands by reintroducing the SR-009D model.
More than 30% more affordable (3 700 € compared to 5 400 €), the new open-back headphone incorporates the technology of Stax’s two flagship models, but with a less expensive chassis and packaging. The fixed circular electrodes are therefore positioned on a patented MLR diaphragm that differs slightly from that of the SR-009S, with an outer rim benefiting from a new plastic molding technique, which also helps to keep the weight down.
Black rather than silver, the ear cups offer a more discreet look, but make good use of the new connectors on each side to attach a fully detachable cable. On this model, the cable is 2.5 m long, 6-strand OFC copper. An open-back design, the SR-009D retains synthetic leather on the sides of the ear pads and very soft sheepskin on the part in contact with the skin.
The weight remains almost identical to that of the SR-009, at one pound (452 g), as do the stated frequency response of 5 Hz to 42 kHz, the impedance of 145 kΩ, and the sensitivity of 101 dB (at 100V; 1 kHz). As mentioned above, the biggest difference therefore remains the price, and the packaging stripped down to the essentials, all to offer you, at a more affordable price, what is the hallmark of this Stax range: exceptional musicality.
