{"product_id":"pro-ject-tube-box-e","title":"Pro-Ject Tube Box E","description":"\u003ch3\u003ePro-Ject Tube Box E – Compact Valve Phono Preamplifier (MM\/MC)\u003c\/h3\u003e\n\u003cp\u003eThe Pro-Ject Tube Box E is a compact yet powerful tube-based phono stage designed for vinyl lovers craving rich, authentic sound without clutter. Its fully discrete, dual-mono circuit (free of OpAmps) delivers ultra-low noise and lush mids, all under a refined metal design that's both elegant and audio-centric.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMM and MC compatibility:\u003c\/strong\u003e Easily supports both moving magnet and moving coil cartridges with flexible gain and loading settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiscrete RIAA equalization:\u003c\/strong\u003e Two-part passive\/active equalisation ensures precise vinyl playback with high accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo OpAmps—pure analog:\u003c\/strong\u003e Fully discrete design with FET input stage achieves clean, transparent amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable tube stage:\u003c\/strong\u003e Two ECC83 (12AX7A) tubes are easily swapped for sonic customization or upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront-panel controls:\u003c\/strong\u003e Convenient subsonic filter and gain buttons right up front.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-noise, dual-mono layout:\u003c\/strong\u003e Enhances channel separation and minimizes distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium parts and shielding:\u003c\/strong\u003e Uses polystyrene capacitors where possible, FET inputs, and rugged aluminium housing to reduce interference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCustomer Benefits\u003c\/h4\u003e\n\u003cp\u003eWith Tube Box E, there's no need for bulky high-end rigs—its compact form delivers big, warm sound, plush midrange, and analog warmth in a minimalist case. Easily tailored for any cartridge and built to last, it’s the perfect upgrade for vinyl lovers seeking quality without complexity.\u003c\/p\u003e\n\u003ch4\u003eQuick Specs\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubes:\u003c\/strong\u003e 2 × ECC83 (12AX7A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGain Settings:\u003c\/strong\u003e 40, 43, 50, 53, 60, 63 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e 10 Ω, 100 Ω, 1 kΩ, 2 kΩ (MC); 47 kΩ (MM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Capacitance (MM):\u003c\/strong\u003e 47, 147, 267, 367, 487, 587 pF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Floor:\u003c\/strong\u003e 77 dB (A-weighted) at 40 dB gain; 65 dB at higher gains\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD:\u003c\/strong\u003e \u0026lt;0.03% (40 dB); \u0026lt;0.07% (50\/63 dB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRIAA Accuracy:\u003c\/strong\u003e ±0.5 dB (20 Hz–20 kHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e 20 Hz, 18 dB\/octave\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e 1 × RCA input, 1 × RCA output, gold-plated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e External 18 V \/ 1 A DC supply; 470 mA operation, under 1 W standby\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W × H × D):\u003c\/strong\u003e ~103 × 73 × 115 mm (131 mm with sockets)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e ~450 g (without PSU)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat’s in the Box\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePro-Ject Tube Box E preamplifier\u003c\/li\u003e\n\u003cli\u003eExternal 18 V \/ 1 A DC power supply\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eUse Cases \/ Ideal For\u003c\/h4\u003e\n\u003cp\u003ePerfect for enthusiasts upgrading from basic phono stages or looking for elegant tube sound without bulk. Fits beautifully in minimalist setups, desktop systems, or audiophile rigs where space and sonic clarity matter.\u003c\/p\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eWorks flawlessly with MM or MC cartridges, adjustable to match your turntable’s needs. Pairs neatly with standalone amplifiers, streamers, or integrated systems and complements Pro-Ject turntables especially well.\u003c\/p\u003e\n\u003ch4\u003ePros \u0026amp; Cons\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e✅ Pros:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRich, lush tube sound in a compact, stylish case\u003c\/li\u003e\n\u003cli\u003eSimple front-panel control for rapid adjustment\u003c\/li\u003e\n\u003cli\u003eWide cartridge compatibility with precision loading\u003c\/li\u003e\n\u003cli\u003eReplaceable tubes let you tweak the sound over time\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Cons:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires external power supply (adds a bit to shelf space)\u003c\/li\u003e\n\u003cli\u003eNo balanced inputs or outputs—RCA-only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Pro-Ject Tube Box E brings the warmth and finesse of tube sound within reach—compact, refined, and sonically pure. Upgrade your vinyl playback today with Soundium.\u003c\/p\u003e","brand":"Pro-Ject","offers":[{"title":"Black","offer_id":54447828533516,"sku":"PJ-TUBE-BOX-E-BL","price":299.0,"currency_code":"EUR","in_stock":true},{"title":"Silver","offer_id":54447828566284,"sku":"PJ-TUBE-BOX-E-SL","price":299.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/7416\/0652\/files\/Tube-Box-E-2.webp?v=1756126460","url":"https:\/\/soundium.com\/ro\/products\/pro-ject-tube-box-e","provider":"Soundium","version":"1.0","type":"link"}