{"product_id":"pro-ject-tube-box-s2","title":"Pro-Ject Tube Box S2 | Phono Preamp","description":"\u003cp\u003e\u003cimg alt=\"Pro-Ject Audio logo black\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/pro-ject-audio-logo-blk.jpg?v=1694618069\" style=\"display: block; margin-left: auto; margin-right: auto; width: 65%;\"\u003e\u003c\/p\u003e\n\u003ch4\u003eGet High Fidelity Tube Smoothness, Great Looks, and MM\/MC Support with Pro-Ject VC-S3\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFully discrete, ultra-low noise circuitry for perfect sound reproduction\u003c\/li\u003e\n\u003cli\u003eDual mono designed with user replaceable ECC83 tubes\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRIAA equalization with passive and active options\u003c\/li\u003e\n\u003cli\u003eHandmade in Europe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/pro-ject-tube-box-s2-lifestyle.jpg?v=1694712685\" alt=\"Pro-Ject Tube Box S2 black on bench with walnut Debut Carbon Evo, amps and bookshelf speaker\"\u003e\u003c\/p\u003e\n\u003ch3\u003eSound that defies expectations\u003c\/h3\u003e\n\u003cp\u003eTube Box S2 uses fully discrete circuitry – no operational amplifiers here (aka Op-Amps, used in simpler, more affordable designs but with some sacrifice to sound quality). The standard, user-replaceable tubes sound stellar out of the box, though the design opens the gates for sound-shaping via tube rolling should you want to take it a step further.\u003c\/p\u003e\n\u003cp\u003eTube Box S2’s sonic presentation is full \u0026amp; relaxed with a blossoming midrange more typical of much more expensive designs. The stage welcomes most MM \u0026amp; MC cartridges on the market with a wide range of gain, loading \u0026amp; capacitance settings. The S2 series’ 2-layer aluminum\/steel enclosure shields the circuitry from vibration and electromagnetic interference for more music, less noise.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5.2\" x 4\" x 2.9\"\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/pro-jectusa.com\/wp-content\/uploads\/2020\/05\/Pro-Ject-Tube-Box-S2-User-Manual.pdf\" title=\"Pro-Ject Tube Box S2 User Manual\" target=\"_blank\"\u003eTube Box S2 Full User Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/pro-jectusa.com\/international-warranty\/\" title=\"Pro-Ject Official International Warranty Page\" target=\"_blank\"\u003ePro-Ject 2 Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePhonostage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubes:\u003c\/strong\u003e (x2) ECC83 (12AX 7A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput impedance:\u003c\/strong\u003e 10Ω, 100Ω, 1kΩ, 2kΩ A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput capacitance\/impedance:\u003c\/strong\u003e 47pF, 147pF, 267pF, 367pF, 487pF and 587pF\/47kΩ B (Input capacitance is irrelevant for low output MC cartridges)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput gain:\u003c\/strong\u003e 40dB,43dB B ; 50dB, 53dB and 60dB, 63dB A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise floor:\u003c\/strong\u003e 80dB (A weighted) at 40dB input gain 75dB (A weighted) at 50 dB and 63dB input gain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD:\u003c\/strong\u003e \u0026lt;0.02% at 40dB input gain \u0026lt;0.05% at 50dB and 63dB input gain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRIAA-equalisation curve accuracy:\u003c\/strong\u003e 20Hz – 20kHz \/ max. 0.4dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic filter:\u003c\/strong\u003e at 20Hz with 18dB\/octave\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e 1 pair RCA\/phono sockets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine-level output:\u003c\/strong\u003e 1 pair RCA\/phono sockets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutboard power supply:\u003c\/strong\u003e 18V\/1.000mA DC, suitable for your country’s mains supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower consumption:\u003c\/strong\u003e 470mA DC, \u0026lt;1W in standby\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e typical for low output MC cartridges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB:\u003c\/strong\u003e typical for MM cartridges or high output MC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pro-Ject","offers":[{"title":"Black","offer_id":40065583677515,"sku":"PJ-TUBEBOX-S2-BLK","price":499.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":40329958162507,"sku":"PJ-TUBEBOX-S2-SLV","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/pro-ject-tube-box-s2-blk-thumb.jpg?v=1694712620","url":"https:\/\/bloomaudio.mom\/products\/pro-ject-tube-box-s2","provider":"Bloom Audio","version":"1.0","type":"link"}