{"product_id":"audio-research-i-70-tube-integrated-amplifier-the-grid-copy","title":"Audio Research I\/70 Tube Integrated Amplifier | The Grid (open box)","description":"\u003ch1 class=\"w6asjq_TextBase GgxHUa_Title\"\u003eAudio Research I\/70 Integrated Amplifier\u003c\/h1\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e\u003cspan class=\"w6asjq_TextBase _85PZeG_Text\"\u003eOpen Box Baby! 70-Watt Vacuum Tube Integrated Amplifier | The Grid HiFi\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"oIb9lq_Box\"\u003e\n\u003cdiv class=\"BjVYla_Image BjVYla_OverlayBox BjVYla_LoadingFrame\"\u003e\n\u003cimg alt=\"Integrated Amplifiers — Audio Excellence\" class=\"CrFGHG_Image BjVYla_Image BjVYla_LoadingImage\" draggable=\"false\" src=\"https:\/\/images.openai.com\/static-rsc-4\/e_2VqpEApbUxQFa6n1Fsyqc1jeot3RFhB19C5XnXmOGW4hpBKVXShzckwFaWmD-RplfeWkcvF3ZA8DOStKPz7nu_8pa_Bi-PoThGAoV8F2RDSW_AoBkSuFfY_JmSWWFT91AFSD4R3ZtzVzYujBy1ACRYNiTQJV--bSk9qrfumQA?purpose=inline\"\u003e\n\u003cdiv class=\"BjVYla_LoadingSurface\"\u003e\n\u003cdiv class=\"oIb9lq_Box _48e6ya_LoadingBlock\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"w6asjq_TextBase GgxHUa_Title\"\u003eThe Soul of Audio Research. One Beautifully Complete Amplifier.\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe Audio Research I\/70 brings the company's vacuum tube amplification heritage into a single, elegantly engineered component. Delivering \u003cspan class=\"w6asjq_TextBase _85PZeG_Text\"\u003e70 watts per channel\u003c\/span\u003e, it combines a dedicated tube preamplifier, a tube power amplifier, digital connectivity, and thoughtful system flexibility without requiring a separate stack of electronics.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eFour KT120 output tubes and the same output transformer design used in the Reference 75 amplifier form the foundation of the I\/70. Automatic tube bias makes everyday ownership easier, while its substantial power and 4- and 8-ohm speaker connections make it a compelling centerpiece for a serious two-channel system.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe result is an integrated amplifier designed for listeners who want the experience of Audio Research separates in a more streamlined package.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"w6asjq_TextBase GgxHUa_Title\"\u003eReference-Inspired Tube Amplification\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe I\/70 is more than a preamplifier and power amplifier sharing a chassis. Its independent tube preamplifier and power amplifier sections preserve a flexible architecture while delivering 70 watts of continuous power per channel from 20 Hz to 20 kHz.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe amplifier employs four KT120 output tubes alongside three 6922 tubes—one for the input stage and two for the driver stage. Its output transformers draw directly from Audio Research's Reference 75 design.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAutomatic bias eliminates the need for routine manual bias adjustments, allowing owners to enjoy the amplifier without making tube maintenance part of every listening session.\u003c\/p\u003e\n\u003cdiv class=\"Wl_3jG_Trigger\" role=\"button\" type=\"button\" tabindex=\"0\"\u003e\n\u003cdiv class=\"ANObbW_Badge lKEGNW_Badge\"\u003e\n\u003cdiv class=\"oIb9lq_Box\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"w6asjq_TextBase GgxHUa_Title\"\u003eAnalog Sources, Digital Music, and Vinyl\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe I\/70 accommodates traditional analog components with three single-ended RCA input pairs and one balanced XLR input pair.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eFor digital playback, Audio Research describes a DAC card featuring an AKM Velvet Sound converter with USB, optical, coaxial, and Bluetooth connectivity. Incoming digital signals are upsampled.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eVinyl enthusiasts can specify an \u003cspan class=\"w6asjq_TextBase _85PZeG_Text\"\u003eoptional phono card\u003c\/span\u003e supporting both moving-magnet and moving-coil cartridges. Its gain settings are selectable using the I\/70 remote, and moving-coil loading is adjustable from 50 to 1,000 ohms.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThis combination allows the I\/70 to anchor a system built around a turntable, digital source, or both.\u003c\/p\u003e\n\u003cdiv class=\"Wl_3jG_Trigger\" role=\"button\" type=\"button\" tabindex=\"0\"\u003e\n\u003cdiv class=\"ANObbW_Badge lKEGNW_Badge\"\u003e\n\u003cdiv class=\"oIb9lq_Box\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"w6asjq_TextBase GgxHUa_Title\"\u003eA Tube-Driven Headphone Experience\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe I\/70's headphone output is driven by its KT120 output tubes rather than being presented simply as an incidental convenience.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThat makes personal listening part of the amplifier's core design. Enjoy your favorite headphones without abandoning the tube amplification that defines the rest of the system.\u003c\/p\u003e\n\u003cdiv class=\"Wl_3jG_Trigger\" role=\"button\" type=\"button\" tabindex=\"0\"\u003e\n\u003cdiv class=\"ANObbW_Badge lKEGNW_Badge\"\u003e\n\u003cdiv class=\"oIb9lq_Box\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"w6asjq_TextBase GgxHUa_Title\"\u003eRoom to Grow\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eA dedicated stereo preamplifier output gives the I\/70 flexibility beyond a conventional integrated amplifier. It can feed an external power amplifier or powered subwoofers equipped with line-level inputs.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe active tube preamplifier also incorporates a \u003cspan class=\"w6asjq_TextBase _85PZeG_Text\"\u003e75-step volume control\u003c\/span\u003e and a wide range of gain settings, providing precise adjustment across different recordings and listening levels.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eFor listeners building a system over time, these connections help the I\/70 remain useful as the rest of the system evolves.\u003c\/p\u003e\n\u003cdiv class=\"Wl_3jG_Trigger\" role=\"button\" type=\"button\" tabindex=\"0\"\u003e\n\u003cdiv class=\"ANObbW_Badge lKEGNW_Badge\"\u003e\n\u003cdiv class=\"oIb9lq_Box\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"w6asjq_TextBase GgxHUa_Title\"\u003eA Modern Expression of Audio Research Design\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe I\/70 takes visual inspiration from the Reference 330M monoblock amplifier. Black or silver anodized plinths frame an enclosed transformer assembly finished with machined aluminum, mesh, and distinctive badging.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eA mesh wrap around the lower chassis completes the design, giving the amplifier a contemporary appearance while retaining the unmistakable character of Audio Research.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eEach I\/70 is built by hand at the company's Minnesota facility, tested twice, and individually auditioned in its reference system.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"S6IMGG_Divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2 class=\"w6asjq_TextBase GgxHUa_Title\"\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"PSWZZq_List\"\u003e\n\u003cli class=\"PSWZZq_Item\"\u003e\n\u003cdiv class=\"PSWZZq_Content\"\u003e\n\u003cdiv class=\"PSWZZq_Label\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e70 watts per channel of vacuum tube amplification\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"PSWZZq_Item\"\u003e\n\u003cdiv class=\"PSWZZq_Content\"\u003e\n\u003cdiv class=\"PSWZZq_Label\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eFour KT120 output tubes and three 6922 tubes\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"PSWZZq_Item\"\u003e\n\u003cdiv class=\"PSWZZq_Content\"\u003e\n\u003cdiv class=\"PSWZZq_Label\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eReference 75-derived output transformers\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"PSWZZq_Item\"\u003e\n\u003cdiv class=\"PSWZZq_Content\"\u003e\n\u003cdiv class=\"PSWZZq_Label\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAutomatic tube bias\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"PSWZZq_Item\"\u003e\n\u003cdiv class=\"PSWZZq_Content\"\u003e\n\u003cdiv class=\"PSWZZq_Label\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eIndependent tube preamplifier and power amplifier sections\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"PSWZZq_Item\"\u003e\n\u003cdiv class=\"PSWZZq_Content\"\u003e\n\u003cdiv class=\"PSWZZq_Label\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e75-step volume control\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"PSWZZq_Item\"\u003e\n\u003cdiv class=\"PSWZZq_Content\"\u003e\n\u003cdiv class=\"PSWZZq_Label\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThree RCA inputs and one balanced XLR input\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"PSWZZq_Item\"\u003e\n\u003cdiv class=\"PSWZZq_Content\"\u003e\n\u003cdiv class=\"PSWZZq_Label\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eDAC card with USB, optical, coaxial, and Bluetooth connectivity\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"PSWZZq_Item\"\u003e\n\u003cdiv class=\"PSWZZq_Content\"\u003e\n\u003cdiv class=\"PSWZZq_Label\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eOptional MM\/MC phono card with adjustable MC loading\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"PSWZZq_Item\"\u003e\n\u003cdiv class=\"PSWZZq_Content\"\u003e\n\u003cdiv class=\"PSWZZq_Label\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eTube-driven headphone output\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"PSWZZq_Item\"\u003e\n\u003cdiv class=\"PSWZZq_Content\"\u003e\n\u003cdiv class=\"PSWZZq_Label\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eStereo preamplifier outputs for external amplification or powered subwoofers\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"PSWZZq_Item\"\u003e\n\u003cdiv class=\"PSWZZq_Content\"\u003e\n\u003cdiv class=\"PSWZZq_Label\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e4-ohm and 8-ohm speaker output taps\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"PSWZZq_Item\"\u003e\n\u003cdiv class=\"PSWZZq_Content\"\u003e\n\u003cdiv class=\"PSWZZq_Label\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAvailable in black or silver finishes\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"PSWZZq_Item\"\u003e\n\u003cdiv class=\"PSWZZq_Content\"\u003e\n\u003cdiv class=\"PSWZZq_Label\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eHand-built in Minnesota, USA\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"Wl_3jG_Trigger\" role=\"button\" type=\"button\" tabindex=\"0\"\u003e\n\u003cdiv class=\"ANObbW_Badge lKEGNW_Badge\"\u003e\n\u003cdiv class=\"oIb9lq_Box\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"S6IMGG_Divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2 class=\"w6asjq_TextBase GgxHUa_Title\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe following figures are taken directly from Audio Research's published I\/70 product specifications.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"_6IUVGW_TableFrame\"\u003e\n\u003ctable class=\"_6IUVGW_Table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eSpecification\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth scope=\"col\"\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eManufacturer specification\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eProduct type\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eVacuum tube integrated amplifier\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003ePower output\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e70 watts per channel, continuous, 20 Hz–20 kHz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eTotal harmonic distortion\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eTypically 1% per channel at rated output, 1 kHz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eTHD at 1 watt\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eBelow 0.1%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003ePower bandwidth\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e10 Hz–22 kHz (−3 dB)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eFrequency response\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e7 Hz–30 kHz (−3 dB at 1 watt)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eInput sensitivity\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e1.25 V RMS for rated output\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eBalanced input impedance\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e100 kΩ\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eSingle-ended input impedance\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e48 kΩ\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAnalog inputs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e1 balanced XLR pair; 3 single-ended RCA pairs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eOutput polarity\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eNon-inverting; balanced input pin 2 positive\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eSpeaker output taps\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e4 Ω and 8 Ω\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eOutput tubes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e4 × KT120, supplied as 2 matched pairs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eSmall-signal tubes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e3 × 6922: 1 input, 2 driver\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003ePower requirements, North America\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e105–130 V AC, 60 Hz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003ePower requirements, international\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e210–250 V AC, 50 Hz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003ePower consumption at rated output\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e420 W\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eIdle power consumption\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e220 W\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eWidth\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e16.5 in. \/ 42 cm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eHeight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e8.25 in. \/ 21 cm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eDepth\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e13.5 in. \/ 34 cm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eNet weight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e55 lb \/ 25 kg\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eShipping weight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e66 lb \/ 30 kg\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"Wl_3jG_Trigger\" role=\"button\" type=\"button\" tabindex=\"0\"\u003e\n\u003cdiv class=\"ANObbW_Badge lKEGNW_Badge\"\u003e\n\u003cdiv class=\"oIb9lq_Box\"\u003e\n\u003cdiv class=\"oIb9lq_Box QGyuMa_FaviconBox\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"w6asjq_TextBase GgxHUa_Title\"\u003eExperience Audio Research at The Grid HiFi\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAn integrated amplifier should do more than simplify your equipment rack. It should bring your music system together.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAt The Grid HiFi in Houston, we can help pair the Audio Research I\/70 with appropriate loudspeakers, a turntable, digital sources, and headphones. We'll also help determine whether the optional phono card or additional subwoofer integration makes sense for your system.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eWhether you're moving into your first serious tube amplifier or simplifying an established two-channel setup, the I\/70 offers a distinctive way to experience Audio Research.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e\u003cspan class=\"w6asjq_TextBase _85PZeG_Text\"\u003eContact The Grid HiFi to explore the Audio Research I\/70 and build your ideal listening system.\u003c\/span\u003e\u003c\/p\u003e","brand":"Audio Research","offers":[{"title":"Default Title","offer_id":55023975235921,"sku":null,"price":8850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1047\/7178\/0945\/files\/New-products-insets-I-70-inset2-1024x897-1.jpg?v=1780580955","url":"https:\/\/gridhifi.com\/products\/audio-research-i-70-tube-integrated-amplifier-the-grid-copy","provider":"The Grid","version":"1.0","type":"link"}