Still feel there’s something missing from your music? With the iTube2, you have a choice of three key sonic signatures: Single-Ended TriodePush-Pull TubeClassic TubeThere is no right or wrong. It’s all down to what you prefer. iFi believes and I have convinced myself that the iTube2 delivers that special tube sound – it adds warmth, removes hardness and adds emphasis to instruments and vocals. An important aspect of the circuit design is its direct-coupled nature (no coupling capacitor is present), achieved without a conventionally applied DC servo.DirectDrive® equals a direct signal path which means less signal degradation. This direct signal path is unequalled in audio and is the reason why the sound is so ‘true’. 3D Plus Mode - 3D+ Holographic® delivers an immersive, deep soundstage. Direct Drive Mode - An important aspect of the circuit design is its direct-coupled nature (no coupling capacitor is present), achieved without a conventionally applied DC servo.DirectDrive® equals a direct signal path which means less signal degradation. This direct signal path is unequalled in audio and is the reason why the sound is so ‘true’. XBass Plus Mode - XBass+® delivers a deep, tighter bass sound. The GE5670 tube made by General Electric is the valve used in this design -- a classic Choose the ‘magic’ of SET, Push-Pull or Classic Tube sound – three different sonic signatures. This buffer has been connected to my CD player feeding my integrated amp for five years. It is an amazing piece. Our home is smoke free, humidity and temperature controled, etc. This device included a Wall Wart power supply that plugs into the side of the tube device.

Includes original packaging and accessories: stereo RCA interconnect, L-adapter for power cable, power supply, screwdriver, manual. Used for less than 1 year with Parasound HINT6 solid state integrated amp. Added tube sound & the 3D Holographic setting was a great extra; really expanded the soundstage. I’m all tube amps now so no longer needed in my system. The tube is a NOS GE 5670.

iFi Micro iTube2 Vacuum Tube Buffer and Preamplifier in like new condition. Class A tube preamp that can emulate SET or Push-Pull tube circuits. Impressive specifications: 120dB SNR with 1M ohm input impedance in Direct Tube Buffer mode and less than 1 ohm output impedance. It has the original tube installed but Im including a sleeve of five NOS MIL SPEC JAN 5670W replacement tubes. Enough for a lifetime. No worries about leaving it on 24/7 with idle power draw at less than 4W. Includes: iTube2, power adapter, and right angle power input extension. For sale in the CONUS. Payment is by paypal. Thanks for looking!