Audio Research SD-135

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The Audio Research SD-135 is a high-performance phono stage designed to extract exceptional detail, low-level resolution, and nuance from analog vinyl sources. It features a top-of-the-line dual-mono circuit topology, hand-selected components, and a fully balanced circuitry to minimize noise and distortion. The SD-135 offers a choice of over 60 dB of selectable gain and six load impedance settings, as well as RIAA, Decca, and Columbia equalization curves to accommodate a wide range of cartridge types and loading requirements. With its exceptional sound quality and versatility, the Audio Research SD-135 is a top choice for audiophiles and vinyl enthusiasts who demand the best possible performance from their turntable systems.

Power Output: 130W into 8Ω (stereo)
Frequency Response: 1Hz to 300kHz
Distortion:
Damping Factor: 170
Speaker Impedance:
Input Sensitivity: 3.2V
Signal to Noise Ratio: 116dB
Dimensions: 483 x 159 x 381 mm
Weight: 19.5 kg
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