X-Tube is a FREE Microsoft Windows VST plugin that simulates tube amplifier saturation effect.
VST plugin can be used in Microsoft Windows 32/64bit (XP SP2 or later, Windows 7,8 etc) OS with any VST DAW.


  • Type of vacuum tube for simulation - 12AX7.
  • Mono, Stereo, Quadro and 5.1 audio track support.
  • 64-bit floating point processing.
  • Easy to use and operate.
  • Zero latency processing.
  • Works with any samplerate and blocksize.
  • 1x, 2x, 4x, 8x, 12x, 16x oversampling mode.
  • IIR-type 3 Band equalizer with ±12dB range.
  • Separate adjustment of drive and bias.


  • 12 Factory presets.
  • 8 User presets.
Download X-Tube for PC VST 32-bit (332kb)
Download X-Tube for PC VST 64-bit (364kb)
Download X-Tube user manual (124kB)

Donationware version. No restrictions.

If you like it, make a donation! ($5)


Convolution reverb XR-1 v1.1

XR-1 is a Microsoft Windows (XP/Vista/Windows 7) VST convolution plugin for high quality reverberation. It offers zero-latency processing with low CPU-consumption and non-destructive audio processing of impulse responses. Application is launched as VST-plugin XR-1, at any VST host.


  • Mono, Stereo and True Stereo support.
  • Easy to use and operate.
  • Zero latency processing.
  • Free non-destructive amplitude envelope.
  • Free non-destructive filter envelope.
  • Full-time IR processing.
  • Input IR format type:
    (.WAV) - can be used any IRs.
    (.IRH) - special format to adjust separately amplitude and time position for 1,2,3 and tail reflection. All IR data were obtained by the modified room auralization technique.
  • Pre-delay (0ms - 2000ms).
  • Forward / reverse button.
  • Separate dry/wet control (-40db .. +20dB).
  • High quality, linear-phase 7-band EQ (-30db .. +30dB) with 2 scales, separately adjustment of filter order and Q-factor.
  • Low CPU-load even with small sound-device buffers.
  • Manually adjustment of CPU-consumption.
  • Manual charts adjustments.
  • Ultra-optimized convolution engine.

IR Library:

  • Mini version of XR-1 doesn't include any libraries.
  • Demo library includes 16 IRs from Xenium Audio and 5 IRs from Impulse Record.
  • Full version of XR-1 provides access for library which has 250+ IRs from Xenium Audio and 15 IRs from Impulse Record. Libraries are updated regularly.
  • Xenium Audio IRs are in .IRH-format (32-bit 44.1/48kHz).
  • Impulse Record IRs are in .WAV-format (24-bit 96kHz).

System requirements:

  • 1.2GHz CPU or higher with SSE2.
  • 512MB RAM or higher.
  • Platform: Windows [32-bit,64-bit] .
Download XR-1 DEMO for PC VST 32-bit (8.3Mb)
Download XR-1 DEMO for PC VST 64-bit (8.3Mb)
Download XR-1 user manual (679.2kB)
Download IR demo library (68.4MB)
Demo version generates periodic silence approx. every minute in work mode.

After first load .IRH file amplitude value of “Direct” ray is have a maximum. Please remove it to minimum if you don’t use the plugin in “INSERT“ audio bus mode.

Impulse Record - over 1000+ pristine 96/24 impulse
response files available in stereo and 5.1 library sets!
Impulse Record - where major DAW and music
production software companies turn to when
they simply want the best!
Impulse Record


Xenium Audio

Developing professional music and audio software as part of scientific research in digital signal processing. Designing algorithms for real-time simulation of analog electronic circuits.


General information

If you have any trouble with Xenium Audio products, please send us email to: and we will try to help you. If you have any thoughts or questions about products of Xenium Audio, please email to: Support-related issues from customers are handled as soon as possible. Other messages may take us several days to answer.


The 2CO payment procedure terminates with transition to the personal download page. Please do not cancel data transfer from 2CO to Xenium Audio website. If you did cancel and did not get to download page for this or any other reason, please contact us immediately and we will solve your problem.