Hornet Plugins - Valvola

Developer : Hornet Plugins 2311 0
Type : Plugin | OS : Win 64Bit, Mac 64Bit | Format : VST, VST3, AAX
Tags : Tube Drive, Tube Amp Emulation


Valvola (the Italian word for vacuum tube) it’s an emulation of the electric behaviour of a vacuum tube and its surrounding circuit.

The sound of the plugin is as close as you can get to the real tube behaviour since the code it’s the direct modelling of the circuit characteristics obtained directly simulating the tube and the biasing circuit around it. The same technology is found inside our Guitar Kit plugin and Analog Stage plugin and we decided to give it away for free because we are proud of it.

Valvola comes with many different vacuum tube emulations, including triodes and pentodes, from the classic 12AX7 used in pre-amplifiers to the EL84 power tube, well using more than one instance of Valvola you could create your little tube amplifier emulation.

The typical tube distortion that Valvola provides is not static but changes with your music since tubes has some kind of “memory effect” that actually change their bias point if they processed high levels (this is the case with heavy bass drums, bass synths or guitars) in practice they distort more with low-frequency peaks. Also vacuum tubes are not linear in frequency response and each one has its own characteristic sound that we carefully modelled using the original tube parameters.

All these interactions are controlled using just one “saturation” knob that also keeps the level constant so you can just add distortion without adding gain and keeping the aliasing at minimum thanks to the intelligent oversampling up to 4x.

HoRNet Valvola comes with a hardware accelerated graphic interface that is completely resizable and drawn using vectorial techniques so that it looks sharp and perfect on every monitor size.


  • Tube circuit emulation using electrical simulation
  • Seven different tube types including triodes and pentodes
  • Intelligent oversampling up to 4x
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