Musical Fidelity X-TUBE Tube Output Buffer
SKU: 20072234668

Musical Fidelity X-TUBE Tube Output Buffer

Sale price$450.00 Regular price$500.00
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Description

Musical Fidelity X-TUBE Tube Output BufferX TUBE Tube Output Buffer Adds tube like tonal character, depth, and richness to every digital and line source 2 E88CC triode tubes Impedance Matching Amplifier Maximises signal transfer Reduces distortion caused by incorrect impedance matching Additional Benefits Protects your amplifier from reactive loads Superior Mechanical Design Built in a precision engineered extruded aluminium chassis with excellent resistance to resonance The X Tube was the

X-TUBE

Tube Output Buffer

  • Adds tube-like tonal character, depth, and richness to every digital and line source
  • 2 × E88CC triode tubes

Impedance Matching Amplifier

  • Maximises signal transfer
  • Reduces distortion caused by incorrect impedance matching

Additional Benefits

  • Protects your amplifier from reactive loads

Superior Mechanical Design

  • Built in a precision-engineered extruded aluminium chassis with excellent resistance to resonance
  • The X-Tube was the first product in Musical Fidelity's X-Series range

Features

  • Improves the performance of digital and analogue sources
  • Particularly beneficial for budget digital, streaming, and CD sources that use all-in-one chip designs and lack proper output stages
  • Provides optimal impedance matching between preamplifier and power amplifier when required
  • Direct mains input with external power supply support for a clean installation setup

We are proud to unveil the X-Tube – a revolutionary tube output buffer built with our newly reimagined X-profile aluminium die-cast chassis. This innovative design marks the return of the X-profile configuration, a distinctive element in the revered Musical Fidelity X10D tube output buffer and promises to breathe new life into a wide range of future audio electronics products.

From X10D to X-Tube

The X10D, as designed by Musical Fidelity founder Antony Michaelson, is an acronym – or if you want “a wordplay” – for eX10[tend]ed. The internal circuitry design faithfully follows the original and just like it, the new X-Tube extends your signal chain and is connected between input source and amplifier.

It serves as an intermediary stage and is designed to enhance audio signal quality and add tube-like tonal characteristics to your line sources. Connectivity is simple, featuring 1x RCA input and 1x RCA output as well as an RCA bypass. The old external power supply has been reworked and moved into the chassis itself, allowing for a cleaner setup than before.

Advantages of a Tube Output Buffer and its Impact on Sound

Tube preamplifiers or tube output buffers hold a special place in the hearts of many audiophiles offering a distinct sonic signature that is prized by many audio enthusiasts. The warmer, more natural sound, improved dynamics, and potentially reduced listening fatigue contribute to a unique and engaging listening experience.

The X-Tube in Today's Audio World

What is the place of the X-Tube in today’s audio world? We currently observe a surge in a new generation of affordable streaming devices and DACs. Even CD-players receive increased interest as people are holding on to their old collections.

These modern digital audio devices achieve great price points, but do this at the sacrifice of hardware. Software makes up most of the cost and there is no budget assigned to, amongst other things, proper output stages. Instead, cheaper integrated IC solutions are used that don’t have the power to properly drive line inputs in many amplifiers.

The X-Tube has a clean, high impedance tube input, meaning it won’t put as much strain on the output device capabilities of connected source devices. Regular line inputs on most amplifiers are usually more demanding and cheaper output stages will struggle.

On the output side, the X-Tube’s clean, low impedance tube output buffer has plenty of drive and will not struggle with any low or high impedance amplifier input.

The X-Tube is designed to be the reliable core of your system, enhancing modern streamers and keeping pace as digital technology rapidly evolves.

While streamers excel at software and deliver great digital-to-analogue conversion with the latest DAC technology, they often fall short when it comes to analogue output potential. And when their analogue drive is lacking, the X-Tube complements them perfectly.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 20072234668

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Obo Nosyal
Grantham, US
★★★★★ 5
Sturdy
Style: Black 4 Pack, Size: 5.5 inch, Style: Black 4 Pack, Size: 5.5 inch
Brackets worked great. Very sturdy. Used them to fabricate a bath shelf and towel rack.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
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Andrew Heidrich
Cuba, US
★★★★★ 5
The screws are the best part
Style: Black 6 Pack, Size: 11.25 inch, Style: Black 6 Pack, Size: 11.25 inch
OK. So I spend a lot on (and I mean A LOT) on Amazon and I never write reviews. Just not my thing. But I had to write a review for this product. These brackets are fantastic - attractive, sturdy. But what threw me was the screws - they are SUCH high quality. They don't strip or lose their black color at all even when your drill, set to 0 slip, loses grip repeatedly because you drilled the pilot hole too small and are throwing every ounce of your body weight against it to get it to drive. And they give you extra! Like, enough to mount 8.5 brackets in a 6-bracket box. I am saving alllllll of these extra screws; if I could buy them separate I would. It might seem like a small thing but hardware is usually a place companies skimp on HARD, and to be confronted with such quality was truly a breath of fresh air. The brackets take some mounting expertise to ensure everything is true - lots of measuring and leveling (some minor differences in angle + or - a couple degrees, but they're SOLID. I will be buying these again in the future. Kudos for an awesome product.
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Reviewed in the United States on August 20, 2024
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Amazon Customer
New York, US
★★★★★ 5
Sturdy
Style: Black 6 Pack, Size: 5.5 inch
I put them up and forgot about them. Worked perfect, look great.
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Reviewed in the United States on May 23, 2026
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adrian gonzalez
Los Angeles, US
★★★★★ 4
Works as intended
Style: Black 6 Pack, Size: 7.25 inch
It works as it should. I does look like it bends down after screwing to the wall but the level seemed spot on. Either way it hold up my shelf great
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Reviewed in the United States on January 17, 2026
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Deb C
Houston, US
★★★★★ 5
Solid brackets
Style: Black 6 Pack, Size: 11.25 inch
Nice brackets and solid weight to them. Have purchased 2 sets.
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Reviewed in the United States on April 14, 2026

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