{"product_id":"pro-ject-tube-box-e","title":"Pro-Ject Tube Box E","description":"\u003ch2\u003e🧾 Overview\u003c\/h2\u003e\u003cp\u003ePro-Ject Tube Box E is a compact MM\/MC tube phono preamplifier using a fully discrete dual-mono circuit and two replaceable ECC83 valves. Front-panel gain and subsonic controls are combined with extensive cartridge loading options, making it suitable for both moving-magnet and low-output moving-coil cartridges.\u003c\/p\u003e\u003ch2\u003e✅ Key Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e✅ 2 × replaceable ECC83 \/ 12AX7A tubes\u003c\/li\u003e\n\u003cli\u003e✅ Supports MM and MC cartridges\u003c\/li\u003e\n\u003cli\u003e✅ Fully discrete circuit without operational amplifiers\u003c\/li\u003e\n\u003cli\u003e✅ Dual-mono topology\u003c\/li\u003e\n\u003cli\u003e✅ Selectable 40 \/ 43 \/ 50 \/ 53 \/ 60 \/ 63 dB gain\u003c\/li\u003e\n\u003cli\u003e✅ Selectable impedance and capacitance loading\u003c\/li\u003e\n\u003cli\u003e✅ Front-panel 20 Hz subsonic filter\u003c\/li\u003e\n\u003cli\u003e✅ Gold-plated RCA input and output\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdetails\u003e\u003csummary style=\"font-size:1.2em; font-weight:bold; text-decoration:underline; cursor:pointer;\"\u003e📊 Technical Specifications ▼\u003c\/summary\u003e\u003ctable border=\"1\" cellspacing=\"0\" cellpadding=\"4\" style=\"margin-top:10px;\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubes\u003c\/td\u003e\n\u003ctd\u003e2 × ECC83 \/ 12AX7A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput impedance\u003c\/td\u003e\n\u003ctd\u003e10 Ω \/ 100 Ω \/ 1 kΩ \/ 2 kΩ \/ 47 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput capacitance\u003c\/td\u003e\n\u003ctd\u003e47 \/ 147 \/ 267 \/ 367 \/ 487 \/ 587 pF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain\u003c\/td\u003e\n\u003ctd\u003e40 \/ 43 \/ 50 \/ 53 \/ 60 \/ 63 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubsonic filter\u003c\/td\u003e\n\u003ctd\u003e20 Hz, 18 dB\/octave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRIAA accuracy\u003c\/td\u003e\n\u003ctd\u003eMaximum 0.5 dB, 20 Hz–20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e103 × 73 × 119 mm; 131 mm incl. sockets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.45 kg without power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/details\u003e\u003ch2\u003e📦 What’s in the Box\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e📦 Pro-Ject Tube Box E\u003c\/li\u003e\n\u003cli\u003e🔌 18 V external power supply\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e🔄 Compatibility\u003c\/h2\u003e\u003cp\u003eCompatible with MM, high-output MC and low-output MC cartridges. Select gain, impedance and capacitance according to the cartridge manufacturer’s recommendations before connecting the RCA output to a line-level input.\u003c\/p\u003e\u003ch2\u003e📦✈️ Shipping \u0026amp; Returns\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e📦 Insured worldwide delivery\u003c\/li\u003e\n\u003cli\u003e🔄 14-day return policy\u003c\/li\u003e\n\u003cli\u003e🛡️ 2-year EU warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e📝 Reviews\u003c\/h2\u003e\u003cp\u003e💬 “Be the first to leave a review – share your experience and help others!”\u003c\/p\u003e\u003ch2\u003e⚠️ Warning\u003c\/h2\u003e\u003cp\u003eSix gain settings and two glowing valves can make cartridge matching feel much more interesting than a row of DIP switches.\u003c\/p\u003e","brand":"Pro-Ject","offers":[{"title":"Default Title","offer_id":54990713880922,"sku":"9120137900644","price":299.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0600\/5044\/0324\/files\/Pro-Ject-Tube-Box-E-PremiumHIFI-audio-store.jpg?v=1792069179","url":"https:\/\/premiumhifi.lv\/products\/pro-ject-tube-box-e","provider":"🟢 PremiumHIFI audio store","version":"1.0","type":"link"}