{"product_id":"pro-ject-tube-box-s2-phono-stage","title":"Pro-Ject Tube Box S2 Phono Stage","description":"\u003cp\u003eThe Pro-Ject Tube Box S2 is the company’s first product to feature a fully discrete circuit design without using operational amplifiers (OpAmps). It is also the first model to include replaceable tubes for tube rolling and sound shaping, giving users multiple options to customise the sound signature to their preferences.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for MM and MC cartridges\u003c\/li\u003e\n\u003cli\u003ePrecise RIAA equalisation in two parts, passive\/active\u003c\/li\u003e\n\u003cli\u003eFully discreet circuit design without OpAmps\u003c\/li\u003e\n\u003cli\u003e2x ECC83 tubes (replaceable)\u003c\/li\u003e\n\u003cli\u003eFront-sided Subsonic filter button\u003c\/li\u003e\n\u003cli\u003eFront-sided Gain control\u003c\/li\u003e\n\u003cli\u003eUltra low noise circuitry with FET input stage\u003c\/li\u003e\n\u003cli\u003eDual mono circuitry for optimized channel separation\u003c\/li\u003e\n\u003cli\u003ePolystyrene capacitors used where possible\u003c\/li\u003e\n\u003cli\u003eGold-plated RCA in and outputs\u003c\/li\u003e\n\u003cli\u003eExternal power adaptor and multiple internal power supplies\u003c\/li\u003e\n\u003cli\u003eWell-filtrated high-voltage anode power supply\u003c\/li\u003e\n\u003cli\u003eSandwich alu\/metal casing protects from vibrations and electromagnetic interference\u003c\/li\u003e\n\u003cli\u003eFinishes: silver or black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Tube Box S2 delivers a full, relaxed, and laid-back sound with rich midrange performance, similar to what would typically be expected from a much larger high-end tube phono preamplifier. It supports both MM and MC cartridges and includes multiple gain settings that can be adjusted from the front panel.\u003c\/p\u003e\n\u003cp\u003eFive variable input impedance settings are available for matching MM cartridges, while the fixed 47k ohm input impedance setting is designed for high-output MC cartridges. The aluminium and metal chassis matches the appearance of the DS2 line and helps protect against vibrations and electromagnetic interference for improved sound performance.\u003c\/p\u003e\n\u003cp\u003eThe Tube Box S2 is presented as a high-end solution in a compact form factor.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Assembly:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2x ECC83 (12AX7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 \/ 100 \/ 470 \/ 1k \/ 2k ohms, fixed 47k ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacitance:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 \/ 150 \/ 270 \/ 370 \/ 490 \/ 590 pF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGain MM \/ MC:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 \/ 43 \/ 50 \/ 60 \/ 63 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal-To-Noise Ratio:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e77 dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTHD+N:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.0025%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRIAA Curve Accuracy:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.4 dB \/ 20 Hz – 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 Hz @ 12 dB\/octave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput \/ Output:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1x RCA \/ 1x RCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions W x H x D:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e103 x 73 x 119 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Pro-Ject","offers":[{"title":"Black","offer_id":56650607460738,"sku":"PJAATUBEBOXS2AB","price":399.0,"currency_code":"GBP","in_stock":true},{"title":"Silver","offer_id":56650607427970,"sku":"PJAATUBEBOXS2AS","price":399.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2792\/5768\/files\/Pro-JectTubeBoxS2PhonoStageblack.jpg?v=1778833807","url":"https:\/\/dougbradyhifi.com\/products\/pro-ject-tube-box-s2-phono-stage","provider":"Doug Brady HiFi","version":"1.0","type":"link"}