{"product_id":"naim-nac-552-reference-pre-amplifier","title":"Naim NAC 552 Reference Pre-Amplifier","description":"\u003ch1\u003eNaim NAC 552 Reference Pre-Amplifier\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eStarting with the revolutionary NAC 12 back in 1974, Naim Audio preamplifiers have both rewritten the rules and set the standards for others to follow. The NAC 552 is second only to the Statement NAC S1.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"productSectionContainerTitle\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"field field-name-field-product-features-text field-type-text-long field-label-hidden\"\u003e\n\u003cdiv class=\"field-items\"\u003e\n\u003cdiv class=\"field-item even\"\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-box configuration for optimum rejection of electromagnetic interference\u003c\/li\u003e\n\u003cli\u003eSplit-rail power supply featuring 800VA toroidal transformer, three smoothing capacitors and new Discrete Regulator (DR)\u003c\/li\u003e\n\u003cli\u003eFully suspended sub-chassis for superior isolation of sensitive circuit boards\u003c\/li\u003e\n\u003cli\u003eAV bypass mode for simple connection to an existing AV system\u003c\/li\u003e\n\u003cli\u003eSupport for both DIN and RCA inputs to facilitate connection into a wider range of systems\u003c\/li\u003e\n\u003cli\u003eIndependent listen and record banks for maximum flexibility \u003c\/li\u003e\n\u003cli\u003eAssignable inputs for enhanced usability with a range of sources\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"productSectionContainerTitle\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003ch3 class=\"productSectionContainerTitle\"\u003e\u003cstrong\u003eTechnology \u0026amp; Craft\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"field field-name-field-product-technical-text field-type-text-long field-label-hidden\"\u003e\n\u003cdiv class=\"field-items\"\u003e\n\u003cdiv class=\"field-item even\"\u003e\n\u003cp\u003eLike every component in our flagship 500 Series range, the NAC 552 has been developed without compromise or constraint. Its two-box design, which houses the power supply components in a separate enclosure to better control electromagnetic interference, is classically Naim Audio. By contrast, the power supply itself employs radically new thinking, including a new split-rail configuration that almost entirely eliminates power supply noise in the signal earth.\u003c\/p\u003e\n\u003cp\u003eThe sound critical electronics of the NAC 552 are mounted on a brass sub-chassis which is fully suspended on coil springs at a frequency below the threshold of human hearing. This method of suspension maximises isolation, hence minimizing the effect of vibration on the highly sensitive electronic components. Carefully selected precision rotary potentiometers with precious metal wipers are used to preserve music integrity and ensure long-term stability.\u003c\/p\u003e\n\u003cp\u003eSix inputs on the NAC 552 can be selected directly from either the front panel or the remote control. In addition to the usual DIN inputs, preferred for their superior earthing and impedance matching, the NAC 552 owner can configure two of the inputs for use with the more common RCA phono type connectors, enabling the use of alternative components with pre-owned interconnects.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"views-table cols-2\"\u003e\n\u003ccaption\u003eAudio Inputs\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr class=\"odd views-row-first\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eAnalogue\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003e7 x DIN, 2 x RCA\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eInput Sensitivity\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003e75mV\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eInput Impedance\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003e47kΩ\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even views-row-last\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eOther Inputs\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003eTwo inputs configurable for unity gain\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable class=\"views-table cols-2\"\u003e\n\u003ccaption\u003eAudio Outputs\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eAudio Outputs\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003e1 x variable, 3 x fixed (DIN)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eLine Outputs Fixed (level)\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003e75mV, 600Ω\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd views-row-last\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eLine Outputs Variable (level)\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003e775mV\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003e\u0026lt;50Ω\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eLoad Impedance\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003e10kΩ (min.)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003ePower Outputs\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003eNaim phono amplifier\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable class=\"views-table cols-2\"\u003e\n\u003ccaption\u003eConnectivity\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eRemote Control\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003eInfra Red (RC5)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eRS232\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003eOptional (DE9 female)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eRemote Input\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003eRCA on rear (RC5)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable class=\"views-table cols-2\"\u003e\n\u003ccaption\u003eUser Control\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eFront Panel\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003eVolume control, balance control, sixteen button matrix \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eHandheld\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003eNARCOM-4 Remote Control\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable class=\"views-table cols-2\"\u003e\n\u003ccaption\u003ePower\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003e+\/-12V, 24V, 32V\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003ePower Supply Options\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003e552 PS\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable class=\"views-table cols-2\"\u003e\n\u003ccaption\u003eUpgrades\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003e552 PS\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable class=\"views-table cols-2\"\u003e\n\u003ccaption\u003ePhysical\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eDimensions (HxWxD)\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003e87 x 432 x 314 mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eWeight\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003e12.9 kg\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"views-field views-field-field-extractor-field-ts-row-attribute-name\"\u003eSupplied with\u003c\/td\u003e\n\u003ctd class=\"views-field views-field-field-ts-row-attribute-value\"\u003e\n\u003cp\u003e552 PS, Power-Line, R-Com and Burndy\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Naim Audio","offers":[{"title":"Default Title","offer_id":9287563870268,"sku":"NAIMNAC552-DR","price":34999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/products\/RS514_nac552_front_3-4.jpg?v=1741631995","url":"https:\/\/upscaleaudio.pro\/products\/naim-nac-552-reference-pre-amplifier","provider":"Upscale Audio","version":"1.0","type":"link"}