{"product_id":"x-tube-1","title":"X-Tube","description":"\u003cp style=\"font-size:1.1em;font-style:italic;color:#1e40af;margin-bottom:12px;\"\u003eValve warmth in a compact footprint: the X-Tube brings analogue refinement to any signal chain.\u003c\/p\u003e\u003cp style=\"line-height:1.8;color:#374151;margin-bottom:20px;\"\u003eThe Musical Fidelity X-Tube is a stereo valve buffer designed to slot seamlessly into any audio system, delivering the timbral smoothness that only thermionic tubes can provide. It is not a preamplifier, not an equaliser — it is a signal conditioning device that operates transparently, preserving gain while subtly reshaping the sonic texture in a musically compelling way.\n\nAt the heart of the X-Tube sit two valves, central to a circuit engineered to interact with the signal gently yet perceptibly, adding a fluidity that pure solid-state topologies rarely achieve. Musical Fidelity has always excelled at translating bold audio philosophies into accessible, practical products, and the X-Tube is a textbook example: a compact device — following the distinctive X-series form factor — that can be positioned between source and amplifier, between CD player and preamp, between DAC and integrated, bringing the valve signature into the chain without complexity.\n\nIntegration is effortless: standard RCA inputs and outputs, a compact external power supply, and no adjustments required. For anyone curious about valve sound without committing to a full valve preamplifier, the X-Tube offers a direct, elegant path into that sonic dimension.\u003c\/p\u003e\u003ch3 style=\"font-size:1em;font-weight:600;color:#111827;margin-bottom:8px;border-bottom:1px solid #e5e7eb;padding-bottom:6px;\"\u003eTechnical specifications\u003c\/h3\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.9em;\"\u003e\u003ctbody\u003e\u003ctr style=\"background:#f9fafb;\"\u003e\u003ctd style=\"padding:7px 10px;color:#6b7280;width:45%;\"\u003eInput Connections\u003c\/td\u003e\u003ctd style=\"padding:7px 10px;color:#111827;font-weight:500;\"\u003eRCA stereo\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#ffffff;\"\u003e\u003ctd style=\"padding:7px 10px;color:#6b7280;width:45%;\"\u003eOutput Connections\u003c\/td\u003e\u003ctd style=\"padding:7px 10px;color:#111827;font-weight:500;\"\u003eRCA stereo\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#f9fafb;\"\u003e\u003ctd style=\"padding:7px 10px;color:#6b7280;width:45%;\"\u003eNumber of Channels\u003c\/td\u003e\u003ctd style=\"padding:7px 10px;color:#111827;font-weight:500;\"\u003e2 (stereo)\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003cp style=\"font-size:0.75em;font-style:italic;color:#9ca3af;margin-top:4px;\"\u003eTechnical specifications are indicative and subject to change by the manufacturer. Please refer to official documentation.\u003c\/p\u003e\u003ch3 style=\"font-size:1em;font-weight:600;color:#111827;margin:20px 0 8px;border-bottom:1px solid #e5e7eb;padding-bottom:6px;\"\u003eFrequently asked questions\u003c\/h3\u003e\u003cdiv style=\"margin-bottom:12px;\"\u003e\u003cp style=\"font-weight:600;color:#1e40af;margin-bottom:4px;\"\u003eQ: Does the X-Tube replace my preamplifier?\u003c\/p\u003e\u003cp style=\"color:#374151;margin:0;\"\u003eA: No. The X-Tube is not a preamplifier — it has no volume control or input selector. It is designed to be inserted in series within your signal chain, typically between source and preamp, or between preamp and power amplifier, acting purely as a signal conditioning buffer.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv style=\"margin-bottom:12px;\"\u003e\u003cp style=\"font-weight:600;color:#1e40af;margin-bottom:4px;\"\u003eQ: What practical difference does a valve buffer like the X-Tube make?\u003c\/p\u003e\u003cp style=\"color:#374151;margin:0;\"\u003eA: A valve buffer influences the texture of the signal, softening the perceived harshness that can characterise some digital sources and adding the timbral continuity associated with analogue playback. The effect is often described as greater 'flow' and 'presence' in the soundstage, without imposing heavy colouration.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv style=\"margin-bottom:12px;\"\u003e\u003cp style=\"font-weight:600;color:#1e40af;margin-bottom:4px;\"\u003eQ: How often do the valves in the X-Tube need replacing?\u003c\/p\u003e\u003cp style=\"color:#374151;margin:0;\"\u003eA: The tubes used in the X-Tube typically last thousands of hours under normal listening conditions. No aggressive burn-in is required, and when the time comes, replacement is straightforward — the valve types used are widely available on the market.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv style=\"margin-bottom:12px;\"\u003e\u003cp style=\"font-weight:600;color:#1e40af;margin-bottom:4px;\"\u003eQ: Is the X-Tube compatible with any amplifier or preamplifier?\u003c\/p\u003e\u003cp style=\"color:#374151;margin:0;\"\u003eA: Generally, yes. The X-Tube operates at standard line-level signals and uses RCA connectors, the norm in Hi-Fi systems. It is always worth confirming that the downstream component has a sufficiently high input impedance for optimal interfacing — a condition almost universally met in conventional Hi-Fi equipment.\u003c\/p\u003e\u003c\/div\u003e","brand":"Musical Fidelity","offers":[{"title":"Default Title","offer_id":57669053022552,"sku":"08806689038","price":523.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/5278\/7645\/files\/musical-fidelity-x-tube-649wa.jpg?v=1783520677","url":"https:\/\/videosell.de\/products\/x-tube-1","provider":"Videosell store","version":"1.0","type":"link"}