{"product_id":"audio-research-ref-160-s-amp-open-box","title":"Audio Research - Reference 160S Stereo Amplifier (Black)","description":"\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/audioresearch.com\/new_website\/\" title=\"Audio Research\" rel=\"noopener\" target=\"_blank\"\u003eAudio Research\u003c\/a\u003e - Reference 160S Stereo Amplifier (Black)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eAudio Research is pleased to announce the \u003ca href=\"https:\/\/thesourceav.com\/search?q=audio+research\u0026amp;_pos=1\u0026amp;_psq=audio\u0026amp;_ss=e\u0026amp;_v=1.0\" title=\"Audio Research to The Source AV Design Group\" rel=\"noopener\" target=\"_blank\"\u003eReference 160S\u003c\/a\u003e stereo power amplifier. A vacuum-tube design, it follows in the footsteps of the internationally-acclaimed 160M monaural power amplifier, introduced in 2018, which has won multiple amplifier-of the-year honors from publications such as Stereophile, Hi-Fi+, and others.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eThe Reference 160S (REF160S) carries-over the stunning look of the 160M, with dual GhostMeters™ that float in front of the eight KT150 output power tubes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eThe 160S continues the feature set introduced in the 160M, including a proprietary auto-bias circuit, switchable Triode or Ultralinear modes of operation, balanced and single-ended inputs, and an output tube monitoring mode. The 160S also uses a four-layer circuit board, allowing music to emanate from a jet-black background.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eWith a weight of 100 lbs. and a chassis depth of 21.5“(54.6 cm), two rear handles were added to make it easier to lift and move. Larger 120mm, low profile fans are built into the bottom cover plate horizontally to provide ventilation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eThe REF160S distills the astonishing resolution, dynamic impact, musical purity and finesse of the 160M into one beautiful and attainable chassis. It was designed for the music lover in all of us.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 class=\"specs-title\"\u003eSpecifications:\u003c\/h4\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003ePOWER OUTPUT\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e140 watts continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 1% at 140 watts, below 0.04% at 1 watt. (Note that actual power output is dependent upon both line voltage and “condition” i.e.: if power line has high distortion, maximum power will be affected adversely, although from a listening standpoint this is not critical).\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003ePOWER BANDWIDTH \u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e(-3dB Points) 5Hz to 70kHz.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eFREQUENCY RESPONSE\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e(-3dB points at 1 watt) 0.5Hz to 110kHz.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eINPUT SENSITIVITY\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e2.4V RMS Balanced for rated output. (25.5 dB gain into 8 ohms).\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eINPUT IMPEDANCE\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e300k ohms Balanced; 100k ohms Single-ended.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eOUTPUT POLARITY\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eNon-inverting. Balanced input pin 2+ (IEC-268).\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eOUTPUT TAPS\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e16 ohms, 8 ohms, 4 ohms.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eOUTPUT REGULATION\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eApproximately 0.6dB 16 OHM LOAD TO OPEN CIRCUIT (Damping factor approximately 14).\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eOVERALL NEGATIVE FEEDBACK\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e14dB SLEW RATE: 13 volts\/microsecond RISE TIME: 2.0 microseconds.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003ePOWER REQUIREMENTS\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e105-130VAC 60Hz (210-250VAC 50Hz) 875 watts at rated output, 700 watts in Triode mode, 500 watts at “idle”, 3.6 watts off\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eTUBES REQUIRED\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e4 matched pair KT150 (Power output V1-4); 4 6H30 (Gain stage V5 and V6).\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"Audio Research","offers":[{"title":"Default Title","offer_id":45140148977820,"sku":null,"price":23800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/0595\/9324\/files\/mrVkrAC.webp?v=1753390391","url":"https:\/\/thesourceav.com\/products\/audio-research-ref-160-s-amp-open-box","provider":"The Source AV","version":"1.0","type":"link"}