Guitarix team
4 Pedalboards using it

GxTubeVibrato

Plugin screenshot

Attempt at a true vibrato And it works well! Sounds very sweet with tubes wrapped *Unofficial documentation

Control Default Min Max
SineWave 0 0 1
Depth 0.00 0.00 1.00
Speed 0.10 Hz 0.10 Hz 14.00 Hz
Gain 0.00 -12.00 22.00
http://guitarix.sourceforge.net/plugins/gxtubevibrato#tubevibrato v.0:28.3-23