Have a printed launch code? 
Mixing recently featured the FreqTube FT1-EMU, presenting it as a tube saturation plugin based on the FreqTube FT1 hardware.
The article highlights its SPICE-based circuit modeling, capturing tube saturation, harmonics and dynamic behaviour derived from the original design.
FreqTube FT1-EMU runs as a plugin inside a DAW.
It also notes that when the FreqTube FT1 is connected, the plugin switches from software emulation to real analog tube processing.
Hybrid made simple.
Read the full article: HERE