{"product_id":"audio-research-reference-330m-monoblock-the-grid-hifi-copy","title":"Audio Research Reference 330M Monoblock | The Grid HiFi (open box)","description":"\u003ch1 class=\"w6asjq_TextBase GgxHUa_Title PDq2pG_selectionAnchorContainer\"\u003eAudio Research Reference 330M Monoblock Power Amplifier\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eSave on an open box silver finish 330M keep in mind this price per unit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e\u003cspan class=\"w6asjq_TextBase _85PZeG_Text\"\u003e330-Watt Reference Vacuum Tube Power 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=\"Audio Research Reference 330M Monoblock Amplifier\n – Soundline Audio Online NZ\" class=\"CrFGHG_Image BjVYla_Image BjVYla_LoadingImage\" draggable=\"false\" src=\"https:\/\/images.openai.com\/static-rsc-4\/xFe_f4PUFpvP4ZAIsnc3h4mSo-cPeWdIzXlAHn5WU1jAZUxd52PSLVIQbRbZVwEnF-9lpEUTCwC1DVkWTYjVYvYsAm_J_Cy1EQIMCjrxIXYUI9Wf72xd-nwZeZbUiWwLNc51_Ql1TuV-0VjwzzWDurfBBUteQRat-SNfxsVq57A?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\"\u003e330 Watts. All-Tube. Unmistakably Audio Research.\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe Audio Research Reference 330M brings together the power of a large-scale reference amplifier and the musical character of an all-tube signal path. Delivering \u003cspan class=\"w6asjq_TextBase _85PZeG_Text\"\u003e330 watts from a single monoblock\u003c\/span\u003e, it is designed for listeners who want the dynamic range, bass control, and expressive detail demanded by ambitious loudspeaker systems.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eSix KT170 output tubes form the heart of the amplifier. An ECC83 input stage, tube-based power-supply regulation, and a fully balanced architecture complete a design that draws on more than five decades of Audio Research engineering.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe Reference 330M is built to make a serious loudspeaker system come alive—whether the recording calls for the intimacy of a solo voice or the full force of an orchestra.\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\"\u003eSix KT170 Tubes. One Powerful Monoblock.\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eEach Reference 330M uses three matched pairs of KT170 output tubes to deliver 330 watts of power to a single loudspeaker channel.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe amplifier's signal path begins with an ECC83 tube and incorporates a 6H30 gain-stage tube. A separate 6550 and 6H30 serve the regulated power supply.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThis architecture combines high output capability with the all-tube approach central to Audio Research's Reference amplifiers. A stereo system requires two Reference 330M amplifiers—one for the left channel and one for the right.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"w6asjq_TextBase GgxHUa_Title\"\u003eDesigned for Demanding Loudspeakers\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eHigh-power tube amplification is about more than achieving impressive volume.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe Reference 330M is designed to reproduce large dynamic swings while maintaining control and musical detail. Its dedicated 4-ohm and 8-ohm speaker output taps allow the amplifier to be connected according to the loudspeaker manufacturer's requirements and the system designer's recommendations.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAudio Research also provides both balanced XLR and single-ended RCA inputs, making the amplifier compatible with a broad range of reference preamplifiers.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eFor a system built around revealing, full-range loudspeakers, the 330M offers the output capability of a substantial monoblock without departing from vacuum tube amplification.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"w6asjq_TextBase GgxHUa_Title\"\u003eAutomatic Bias. More Music, Less Maintenance.\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe Reference 330M incorporates automatic tube biasing, continuously managing the output-tube operating conditions without requiring routine manual adjustments.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAudio Research specifies an output-tube life of approximately 3,000 hours. A built-in tube-hour meter helps owners track operating time, while tube monitoring provides additional visibility into the amplifier's operation.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThese features make ownership more approachable without eliminating the care and eventual tube replacement that come with a high-performance vacuum tube amplifier.\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\u003cdiv class=\"oIb9lq_Box\"\u003e\n\u003cdiv class=\"oIb9lq_Box\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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 Reference Amplifier That Fits Into a Complete System\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe Reference 330M includes practical controls that make a pair of large tube amplifiers easier to live with:\u003c\/p\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\"\u003e\u003cspan class=\"w6asjq_TextBase _85PZeG_Text\"\u003e12V trigger connectivity\u003c\/span\u003e allows compatible equipment or a control system to manage amplifier power.\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\"\u003e\u003cspan class=\"w6asjq_TextBase _85PZeG_Text\"\u003eRS-232 control\u003c\/span\u003e supports integration with a larger audio or automation system.\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\"\u003e\u003cspan class=\"w6asjq_TextBase _85PZeG_Text\"\u003eDefeatable auto-off\u003c\/span\u003e can shut the amplifier down after two hours without a detected signal.\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\"\u003e\u003cspan class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAdjustable fan speed\u003c\/span\u003e provides control over the amplifier's cooling behavior.\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\"\u003e\u003cspan class=\"w6asjq_TextBase _85PZeG_Text\"\u003eSelectable meter lighting and meter action\u003c\/span\u003e allow the front-panel display to suit the listening environment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eStandby mode provides an additional power-management option. These are useful details in a dedicated listening room, where the system may include multiple source components and separate amplifiers.\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\u003ch2 class=\"w6asjq_TextBase GgxHUa_Title\"\u003eA Statement in Industrial Design\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe Reference 330M makes its engineering part of the visual experience. Its prominent front-panel meter, exposed vacuum tubes, and substantial chassis give it the presence expected of a flagship-class power amplifier.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eThe meter illumination can be dimmed or switched off, and the needle's movement can be disabled for listeners who prefer a quieter visual presentation.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAt approximately 101 pounds per amplifier, the Reference 330M also demands an equipment rack or amplifier platform selected for its size, weight, ventilation, and service access.\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\"\u003e330 watts of monoblock 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\"\u003eSix KT170 output tubes arranged as three matched pairs\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\"\u003eAll-tube signal path\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\"\u003eFully balanced amplifier architecture\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\"\u003eBalanced XLR and single-ended RCA inputs\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\"\u003eDedicated 4-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\"\u003eAutomatic output-tube biasing\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\"\u003eApproximately 3,000-hour manufacturer-stated output-tube life\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 monitoring and tube-hour meter\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\"\u003e12V trigger and RS-232 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\"\u003eDefeatable two-hour automatic shutoff\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\"\u003eAdjustable fan speed\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\"\u003eControllable meter illumination and needle movement\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\"\u003eStandby power-saving mode\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\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\"\u003eDetails\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 monoblock power 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\"\u003e330 watts per monoblock\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAmplifier configuration\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eFully balanced, Class AB\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-tube bias\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAutomatic\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\"\u003e6 × KT170\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-stage tubes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e1 × ECC83 \/ 12AX7; 1 × 6H30\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-supply tubes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e1 × 6550; 1 × 6H30\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 tube complement\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e10 tubes per 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\"\u003eAnalog inputs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e1 balanced XLR; 1 single-ended RCA\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\"\u003eSystem control\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e12V triggers; RS-232\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 management\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eStandby; defeatable two-hour auto-off\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eMonitoring\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eTube monitor; tube-hour meter\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eCooling\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAdjustable fan speed\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eMeter controls\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAdjustable illumination and needle action\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eManufacturer-listed weight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e101 lb per amplifier\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=\"S6IMGG_Divider\"\u003e\n\u003cspan class=\"w6asjq_TextBase _85PZeG_Text\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"w6asjq_TextBase GgxHUa_Title\"\u003eBuild Your Reference System at The Grid HiFi\u003c\/h2\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAn amplifier of this caliber deserves careful system matching.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eAt The Grid HiFi in Houston, we can help integrate a pair of Reference 330M amplifiers with an Audio Research Reference preamplifier, suitable loudspeakers, and the source components that complete your listening system.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003eWe'll also address amplifier placement, equipment support, ventilation, cabling, and system control—details that matter when installing two substantial vacuum tube monoblocks.\u003c\/p\u003e\n\u003cp class=\"w6asjq_TextBase _85PZeG_Text\"\u003e\u003cspan class=\"w6asjq_TextBase _85PZeG_Text\"\u003eContact The Grid HiFi to discuss the Audio Research Reference 330M and design your reference two-channel system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"S6IMGG_Divider\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Audio Research","offers":[{"title":"Default Title","offer_id":55084285985105,"sku":null,"price":40500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1047\/7178\/0945\/files\/330M-gallery1.jpg?v=1787605692","url":"https:\/\/gridhifi.com\/products\/audio-research-reference-330m-monoblock-the-grid-hifi-copy","provider":"The Grid","version":"1.0","type":"link"}