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iFi Audio Micro iTube2 Vacuum Tube Preamplifier/Amplifier

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  • Vacuum tube preamp, tube power amp, buffer and impedance matcher

  • Single-ended, push pull and classic tube-amp sound configurations

  • Ultra-clean power supply system with direct signal path

  • Reference-class quality component parts used throughout

  • Precision large analogue volume controller

iFi Audio Micro iTube2 Vacuum Tube Preamplifier/Amplifier

iFi Audio Micro iTube2

Bringing tube sound to any home audio setup, iFi Audio Micro iTube2 is a talented component that combines tubed output stage, tube preamp, tube buffer and an impedance-matching device. Configured to convey warm and enveloping tube sound dimensions to sound Micro iTube2 is a true high-fidelity champion that is able to transform any system into a tube-like listening station.

Ready for connecting to any system via RCA the Micro iTube2 can be attached to any area of the audio system. It can be placed before a solid-state preamp and another one after it, creating the effect of tubing the whole audio path. Or Micro iTube2 can simply function as a very high-quality preamp by itself.

Designed to transform the sound to levels of tube amplification, the Micro iTube2 adds warmth and weight to the mid-range and bass frequencies of any system. Micro iTube2 is a serious bit of Hi-Fi that combines modern technologies with classic configurations to create stellar sounding music for everyone.

Making music an event.


iFi Audio Micro iTube2


XBass+ Matrix for Speakers
XBass+ for Speakers is quite different from its sister technology XBass+ for Headphones. The only similarity is in philosophy as the ability to enhance your Speaker listening is quite different to enhancing Headphone listening. The former gives each and every audio system adjustable levels of bass control to enhance listening enjoyment through speakers that have limited bass extension.

3D Holographic+ Matrix for Speakers
The latest 3D Holographic+ matrix for Speakers offers something quite special. It takes high-end systems to another level of performance. Firstly, it corrects the fundamental spatial distortion in recordings. And secondly, it increases the width of the soundstage beyond that of the speaker placement.

Purest Signal Path
Featuring a brand-new PCB, the iFi iTube2, in-line with the latest iFi products, is Direct-Coupled. This means no output coupling capacitor for the purest, most direct signal path. The iTube2 is virtually a whole new product as the circuitry and components have been radically changed.

Reference Class Components
The iTube2 employs Japan TDK C0G type capacitors. These are complemented by Japan Panasonic ECPU Film Capacitors explicitly designed for audio use with extremely low distortion. It also uses high-quality ELNA SIlmic capacitors.

Advanced Power Supply
iPower has an astonishingly low audio band noise floor of just 1uV. To put this into context, iFi’s very own Ultra-Low Noise AC/DC adaptor was in a class of its own at 10uV. Compared to a very good audiophile Linear Power Supply which measured at 20uV, it is demonstrably clear AMR/iFi power supply technology is unparalleled.



  • Tube: NOS GE 5670×1
  • Maximum output: > 7.75V (>+20dBu)
  • SNR: 119dB(A) re. 2V, buffer, 0dB Gain
  • DNR: 31dB(A) re. +20dBu, buffer, 0dB Gain
  • THD & N: < 0.009% (re. 2V, buffer, 0dB Gain, A- weighted)
  • Frequency Response: < 10Hz -to > 200kHz (-1dB), 20Hz – 20kHz (+/-0.003dB)
  • Input impedance: 1M ohm Direct Tube Buffer 100k ohm Pre-Amplifier with Volume Control
  • Output stage output impedance: <1 ohm
  • Corrected output impedance: <150 ohm
  • Input voltage: AC 100-240V, 50/60Hz
  • Power consumption: <4W idle, 10W max
  • Dimensions: 175(l) x 67 (w) x 28 (h) mm
  • Weight: 278g



  • Vacuum tube preamp, tube power amp, buffer and impedance matcher
  • Single-ended, push-pull and classic tube-amp sound configurations
  • Reference-class quality component parts used throughout
  • XBass+ for improving low-end in speakers
  • 3D Holographic+ for increasing soundstage width
  • Direct-Coupled new PCB for purest signal path
  • Large precision analogue volume control knob
  • iPower power supply provides clean signal



  • iFi Audio Micro iTube2
  • 90° DC cable
  • RCA cable
  • 3.5mm rubber feet
  • iPower ultra-low noise power supply
  • Adaptor for iPower
  • Screwdriver
  • Warranty card
  • User manual
  • STS card


BrandiFi Audio
Product TypeHeadphone Amplifier
Feature KeywordNo
Recommended UseNo
Manufacturer Warranty1 Year
Included AccessoriesDC cable, RCA cable, Rubber feet, iPower, Adaptor for iPower, Screwdriver, Warranty card, User manual, STS card
Part NumberiFi iTube Micro 2

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