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IFI-Micro iTube2
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iFi Audio - Micro iTube2 - Tube Preamp/Buffer/Stage is available to buy in increments of 1

iFi Audio - Micro iTube2 - Tube Preamp/Buffer/Stage

iFi Audio - Micro iTube2 - Tube Preamp/Buffer/Stage

iFi Audio - Micro iTube2 - Tube Preamp/Buffer/Stage

The original iTube became the ‘go to’ tube buffer for any and every home audio system. We have redesigned the micro iTube2 with new parts and new circuitry using trickle-down technology from the flagship ‘Pro’ series. Only the GE5670 tube remains.

The micro iTube2 is a tubed output stage, tube preamp, tube buffer AND an impedance-matching device all in one. There is nothing like it. You can put the micro iTube2 before a solid-state preamp and another one after it, creating the effect of tubing the whole audio chain. Or you can choose to simply use the micro iTube2 as a very high-quality preamp by itself.

The micro iTube2 sounds by and far, like a tube amplifier ‘done right with the inimitable magic of tubes.‘ Tonality and heft, especially in the mid-range and bass frequencies are increased to elevate the whole audio system from $100k to $1k. The micro iTube2 injects a serious does of tube magic into any audio system.

‘Magic’ of SET, Push-Pull or Classic Tube sound

In the ‘magic of tubes’ listening stakes, the iTube2 offers the listener the choice of different key sonic signatures:
– a Single-Ended Triode power amplifier
– a Push-Pull tube power amplifier
– a classic tube amplifier

Just to note from the iFi team – there is no ‘right’ setting. We advise you to set according to your systems synergy and your listening preferences.

XBass+® matrix for Speakers, new and improved

XBass+® for Speakers is quite different to 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. We have taken great care to ensure no degradation in sound quality occurs.

20 Hz (6dB): For speakers missing only the lowest bass notes (below 40Hz).
20 Hz (12dB): For speakers missing some bass notes (below 80Hz).
OFF: XBass+ switched out.

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. It was drawn from the original ground-breaking work of Alan Blumlein, the ‘father of stereo.’
Firstly, it corrects the fundamental spatial distortion in recordings. And secondly, it increases the width of the soundstage beyond that of the speaker placement.

30˚+ This matrix adds an extra 30˚ to redress the narrow placement of speakers (eg either side of a PC monitor).

+ This matrix recreates original ‘width’ of the soundstage and is the recommended DEFAULT setting.

Off 3D+ switched out.

Reference class parts quality

The iTube2 employs Japan TDK C0G type capacitors. These are complimented by Japan Panasonic ECPU Film Capacitors explicitly designed for audio use with extremely low distortion (<0.00001% @ 1V/10kHz).

The iTube 2 also uses ELNA SIlmic capacitors. These and other parts are only found in components with an extra ‘0’ to the price.

The proof is in the listening. The best tube buffer/pre-amp out there just pulled even further ahead.


NOS GE 5670×1

Maximum output
> 7.75V (>+20dBu)

119dB(A) re. 2V, buffer, 0dB Gain

31dB(A) re. +20dBu, buffer, 0dB Gain

< 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

175(l) x 67 (w) x 28 (h) mm

278g (0.61lbs)

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