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Tube Amp

Distortion / Overdrive / Amp Plugin by Voxengo
Tube Amp
Tube Amp by Voxengo is a Virtual Effect Audio Plugin for macOS and Windows. It functions as a VST Plugin, an Audio Units Plugin, a VST 3 Plugin and an AAX Plugin.
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Tube Amp is an audio effect plug-in that applies asymmetric tube triode overdrive usually found in single-tube microphone pre-amp boxes. The sound this plug-in produces varies from a mild "warm" overdrive to a fuzzy distortion. Beside that, Tube Amp includes a -6 dB/oct low-pass filter that is built-in into plug-in's valve modeling equation, and can be used to imitate a lower-quality tube triode.

Tube Amp also features all standard advanced Voxengo plug-in features like full multi-channel operation and built-in oversampling.


  • Asymmetric tube triode overdrive.
  • Multi-channel processing.
  • Internal channel routing.
  • Channel grouping.
  • Mid/side processing.
  • Up to 8x oversampling.
  • 64-bit floating point processing.
  • Preset manager.
  • Undo/redo history.
  • A/B comparisons.
  • Contextual hint messages.

Latest User Reviews

Average user rating of 3.75 from 4 reviews

Tube Amp
Reviewed By RobertSchulz
July 25th, 2022

Tube Amp now offers two different modes. The first one is more subtle and refers to a warmy tube saturation. The second mode gives you a more "in your face" distortion sound.

Both modes sound good and can be used for different scenarios.

Other new features are oversampling up to 8X (2x, 4x, 8x) and a soft limiter function for the output signal.

For distortion and saturation effects, I personally prefer a "Wet/Dry Mix"-knob over the implemented "Dry Mix" one, because it gives you better control on how much non-linear distortion it adds to the signal as rather dealing the dry signal back in.

Rolling down the "Drive" and "Bias" parameters individually isn't a great substitute as you can't do this simultaneously which ends up that you change the actual sound instead of getting a clean volume reduction.

As of this reason, I might prefer a different plugin when I need more subtle changes.

But a good free plugin to get.

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Tube Amp
Reviewed By The Chase
May 5th, 2018

Not many VST distortions sounded great in the early 2000's. Much less free ones. This is one of the oldest VSTs that remain on my DAW's VST list. It holds up well.

As noted by another review, it certainly isn't going to excel in the subtle presence of a soft-driven tube amp (neither did any plug-in in 2002). It does do well in being tortured to create mangled sounds.

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Tube Amp
Reviewed By Illusions Recording
February 15th, 2018

Personally I like this plugin. I tested it with a tone and analyzer so I could understand its sweet spots and limits. It can be pretty subtle or a very agressive, like a real tube. With everything at minimum setting, it still produces some subtle harmonics, ideal for the master buss if the mix needs to sound a little more round and full. With higher settings I got a saturation similar to tube preamps and in mode 2 I added some more agressive distortion to an electric bass. Overall it is a useful tool for me and it is free so thank you Voxengo.

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Tube Amp
Reviewed By brok landers
September 26th, 2003

i`m sorry ...i try to be as fair as i can ... but a tube is something else ...
this is more a simple nonelinear distotion to me.
when do the developers at voxengo learn, that the distortion of a tube doesn`t necessecerally have to be audible ? it`s the subtle way of compressing with nomlinear distortion that makes a tube a tube ...
then the sound gets punchier and louder in average, without the peaklevel being affected.
otherwise vocals f.e. would be allways audible distorted
when sent through a tube micro or tube amp.
its the wrong name for that plugin.
it should be labeled with "gutar amp-like overdrive"
or something like that. anyhow, this plugin doesn`t make your sound any louder or punchier without audible unwanted sideeffects.its free though, so go give it a try and hear by yourself. maybe you find it useful. me not at all.imo you simply cannot put it on the summarized mix, like they say at voxengo. well ... you can do it, but it only souds good when the plugin is set to 0 amounts.
sorry again, but this has to be said.
i don`t mean no harm.

brok landers
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Comments & Discussion for Voxengo Tube Amp

Discussion: Active
30 April 2019 at 8:39am

Thank you again.

Could you please compile portable versions of your plugins as well?

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