{"product_id":"mcintosh-ma352-2-channel-hybrid-integrated-amplifier","title":"McIntosh MA352 2-Channel Hybrid Integrated Amplifier","description":"\u003ch2\u003eVacuum tube character with high-current solid-state power\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMcIntosh MA352 2-Channel Hybrid Integrated Amplifier\u003c\/strong\u003e combines a vacuum tube preamplifier with a direct-coupled solid-state power amplifier in one all-analog component. It delivers 200 watts per channel into 8-ohm speakers or 320 watts per channel into 4 ohms, providing substantial output for demanding loudspeakers while preserving the visual and operational character of a McIntosh tube design.\u003c\/p\u003e\n\u003cp\u003eA pair of 12AX7A and a pair of 12AT7 vacuum tubes power the preamplifier section. Dual-scale blue watt meters, a polished stainless-steel chassis, illuminated tubes, black glass and McIntosh Monogrammed Heatsinks give the MA352 its distinctive appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e The MA352 is intentionally all analog. It does not include a DAC, digital inputs, network streaming, Bluetooth or HDMI. Digital and streaming sources require a separate streamer or digital-to-analog converter connected to one of its analog inputs.\u003c\/p\u003e\n\u003ch2\u003eMA352 highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHybrid Drive design with vacuum tube preamplification and solid-state power\u003c\/li\u003e\n\u003cli\u003e200 watts per channel into 8 ohms\u003c\/li\u003e\n\u003cli\u003e320 watts per channel into 4 ohms\u003c\/li\u003e\n\u003cli\u003eTwo 12AX7A and two 12AT7 vacuum tubes\u003c\/li\u003e\n\u003cli\u003eTwo balanced analog inputs and three unbalanced analog inputs\u003c\/li\u003e\n\u003cli\u003eMoving-magnet phono input with adjustable loading\u003c\/li\u003e\n\u003cli\u003eFive-band analog equalizer with ±12 dB adjustment per band\u003c\/li\u003e\n\u003cli\u003eDual-scale blue output meters\u003c\/li\u003e\n\u003cli\u003ePower Guard and Sentry Monitor protection\u003c\/li\u003e\n\u003cli\u003eMcIntosh Monogrammed Heatsinks\u003c\/li\u003e\n\u003cli\u003eHigh Drive headphone amplifier with Headphone Crossfeed Director\u003c\/li\u003e\n\u003cli\u003eHome Theater PassThru\u003c\/li\u003e\n\u003cli\u003eVariable preamplifier output and dual subwoofer outputs\u003c\/li\u003e\n\u003cli\u003ePower Control, data ports, RS232 and external IR control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHybrid Drive amplification\u003c\/h2\u003e\n\u003cp\u003eThe MA352 uses its vacuum tubes at the low-level preamplifier stage and a solid-state output section to drive the speakers. This architecture gives listeners a visible tube signal path without asking the output tubes to supply the amplifier’s full speaker power. The direct-coupled output stage produces more power into 4-ohm loads and is supported by substantial external heatsinks.\u003c\/p\u003e\n\u003cp\u003eMcIntosh Power Guard continuously monitors the output signal and makes real-time input adjustments when necessary to help prevent harsh clipping. Sentry Monitor provides fuse-free protection by disengaging the output stage if operating current exceeds safe limits, then automatically restoring operation when conditions return to normal.\u003c\/p\u003e\n\u003ch2\u003eSix analog inputs, including adjustable moving-magnet phono\u003c\/h2\u003e\n\u003cp\u003eThe MA352 provides two balanced XLR inputs, three unbalanced RCA inputs and one moving-magnet phono input. Adjustable phono loading helps match the input to a wider range of moving-magnet cartridges. Listeners using a low-output moving-coil cartridge will need a compatible external moving-coil phono preamplifier or step-up device.\u003c\/p\u003e\n\u003cp\u003eInput Level Match can normalize volume differences between sources, while Home Theater PassThru allows the MA352 and its connected stereo speakers to operate as part of a larger theater system.\u003c\/p\u003e\n\u003ch2\u003eFive-band analog equalizer\u003c\/h2\u003e\n\u003cp\u003eFive front-panel controls centered at 30 Hz, 125 Hz, 500 Hz, 2 kHz and 10 kHz allow up to ±12 dB of analog adjustment. The tone circuit can be bypassed when a direct signal path is preferred, or used to compensate for recordings, loudspeaker balance and room acoustics.\u003c\/p\u003e\n\u003ch2\u003eHeadphones, subwoofers and future system expansion\u003c\/h2\u003e\n\u003cp\u003eThe front-panel High Drive headphone amplifier includes McIntosh Headphone Crossfeed Director technology for more speaker-like spatial presentation during private listening. A variable unbalanced output can feed a separate power amplifier, while two subwoofer outputs support systems that need additional low-frequency extension.\u003c\/p\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAmplifier architecture\u003c\/th\u003e\n\u003ctd\u003eVacuum tube preamplifier; direct-coupled solid-state power amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePower output\u003c\/th\u003e\n\u003ctd\u003e200 watts x 2 into 8 ohms; 320 watts x 2 into 4 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eChannels\u003c\/th\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eVacuum tubes\u003c\/th\u003e\n\u003ctd\u003eTwo 12AX7A and two 12AT7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRated power band\u003c\/th\u003e\n\u003ctd\u003e20 Hz–20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTotal harmonic distortion\u003c\/th\u003e\n\u003ctd\u003e0.03%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDynamic headroom\u003c\/th\u003e\n\u003ctd\u003e1.5 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e20 Hz–20 kHz, +0\/-0.5 dB; 10 Hz–100 kHz, +0\/-3 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAnalog inputs\u003c\/th\u003e\n\u003ctd\u003eTwo balanced, three unbalanced and one moving-magnet phono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMoving-magnet phono sensitivity\u003c\/th\u003e\n\u003ctd\u003e2.5 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSignal-to-noise ratio\u003c\/th\u003e\n\u003ctd\u003e82 dB moving magnet; 93 dB high level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInput impedance\u003c\/th\u003e\n\u003ctd\u003e20k ohms balanced and unbalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDamping factor\u003c\/th\u003e\n\u003ctd\u003eGreater than 200 into 8 ohms; greater than 100 into 4 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTone controls\u003c\/th\u003e\n\u003ctd\u003eFive-band analog equalizer with bypass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeadphone output\u003c\/th\u003e\n\u003ctd\u003e1\/4-inch High Drive with Headphone Crossfeed Director\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOther outputs\u003c\/th\u003e\n\u003ctd\u003eOne variable unbalanced preamplifier output and two subwoofer outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eControl connections\u003c\/th\u003e\n\u003ctd\u003eRS232, Power Control, two data ports and external IR input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eChassis finish\u003c\/th\u003e\n\u003ctd\u003ePolished stainless steel with black glass front panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e17-1\/2 W x 9-7\/8 H x 17-7\/16 D inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eUnit weight\u003c\/th\u003e\n\u003ctd\u003e66 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShipping weight\u003c\/th\u003e\n\u003ctd\u003e75 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eMcIntosh 3-year limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eProfessional speaker matching and system planning\u003c\/h2\u003e\n\u003cp\u003eThe correct amplifier choice depends on speaker sensitivity, impedance behavior, room size, listening distance, preferred playback level and source requirements. Audio Exchange in Richmond, Virginia can help compare the MA352 with other McIntosh integrated amplifiers, evaluate speaker compatibility, plan analog sources and subwoofers, and coordinate demonstration, delivery and installation.\u003c\/p\u003e\n\u003cp\u003eExplore the complete \u003ca href=\"\/collections\/mcintosh-integrated-amplifiers\"\u003eMcIntosh integrated amplifier collection\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/mcintosh\"\u003eMcIntosh components\u003c\/a\u003e.\u003c\/p\u003e","brand":"McIntosh","offers":[{"title":"Default","offer_id":45739423006767,"sku":"MA352","price":8000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0235\/1375\/9791\/files\/mcintosh-ma352-hybrid-integrated-amplifier-front-angle.png?v=1785774581","url":"https:\/\/audio-exchange.com\/products\/mcintosh-ma352-2-channel-hybrid-integrated-amplifier","provider":"Audio-Exchange","version":"1.0","type":"link"}