{"title":"Tube DAC","description":"","products":[{"product_id":"audio-research-dac9-tube-digital-to-analog-converter","title":"Audio Research DAC9 Tube Digital To Analog Converter","description":"\u003cp\u003eThe DAC9 combines advanced digital processing with Audio Research’s signature vacuum-tube musicality. It supports PCM files up to 384kHz and DSD playback, using separate data paths for PCM and DSD to preserve sonic accuracy. Quad D-A converters improve dynamic range and reduce noise, while selectable digital filters and native upsampling allow flexible sound tuning. Inputs include asynchronous USB and four isolated SPDIF connections. Its balanced, Class-A, zero-feedback analog section uses two 6H30 tubes for clarity, dimensionality, dynamics and natural musical flow. Hand-built and individually auditioned in Minnesota, the DAC9 offers high-end digital performance with lasting value.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrequency Response: \u003c\/strong\u003e+\/-0.15dB  20Hz – 20kHz; +\/-3.0dB 6Hz – 192kHz\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTHD+Noise:\u003c\/strong\u003e Less than .002% at  2V RMS 1kHz Balanced output\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSignal to Noise Ratio:\u003c\/strong\u003e \u0026gt;114dB\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntermodulation \u0026amp; Noise:\u003c\/strong\u003e .001% (SMPTE ratio)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChannel Separation: \u003c\/strong\u003e107dB\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntrinsic Jitter:\u003c\/strong\u003e \u0026lt;10pS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDAC Resolution:\u003c\/strong\u003e 24 bits\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePush Buttons: \u003c\/strong\u003ePower, Menu, Option, Enter, Input, Mute\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Impedance:\u003c\/strong\u003e 500 Ohms balanced, 250 Ohms SE\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Filter:\u003c\/strong\u003e Selectable Fast or Slow algorithms\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUpsampling:\u003c\/strong\u003e All Inputs upsample to 384kHz\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInputs: \u003c\/strong\u003eUSB2.0HS  44.1 to 384kHz, DSD, 2xDSD; RCA, BNC, XLR 44.1 to 192kHz; TOS 44.1 to 96kHz\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRated Outputs:\u003c\/strong\u003e 3.8V RMS Max Balanced; 1.9V max SE (@ 0dB input)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supplies:\u003c\/strong\u003e Electronically-regulated low and high voltage supplies. Line regulation better than .01%\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNoise:\u003c\/strong\u003e 103dB\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTube Complement:\u003c\/strong\u003e (2) 6H30 dual triodes\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e 100-125VAC 60Hz (200 – 250VAC 50\/60Hz) 60 watts maximum\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStandby:\u003c\/strong\u003e Less than 2 watt\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e 19″ (48 cm)\u003cbr\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e 7″ (17.8 cm)\u003cbr\u003e\u003cstrong\u003eDepth:\u003c\/strong\u003e 15.5″ (39.4 cm)\u003cbr\u003e\u003cstrong\u003eHandles:\u003c\/strong\u003e extend 1.50″ (3.8 cm) forward of the front panel.\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 32.0 lbs. (14.6 kg) Net; 43.2 lbs. (19.8 kg) Shipping.\u003c\/p\u003e","brand":"Audio Research","offers":[{"title":"Silver","offer_id":51677998874912,"sku":null,"price":12000.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":51677998907680,"sku":null,"price":12000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/3728\/1568\/files\/editARDAC9silverfrontwhitebackground.jpg?v=1779301621"}],"url":"https:\/\/salon1audio.com\/collections\/tube-dac.oembed","provider":"Salon 1 Audio","version":"1.0","type":"link"}