Have a printed launch code? 
The German audio community at Recording.de recently highlighted the FreqTube FT1-EMU, presenting it as an analog tube emulation plugin based on the FreqTube FT1 hardware.
The discussion also refers to the use of a SPICE-based reference model.
Tube Processing in Software
FreqTube FT1-EMU is introduced as a plugin designed for tube saturation.
Tube Configuration
The Recording.de thread also mentions the use of E83CC and 12AT7 tubes.
From Plugin to Hardware
When the FreqTube FT1 is connected, the plugin switches from software emulation to real analog tube processing.
Closing Perspective
As discussed on Recording.de, FreqTube FT1-EMU is presented as a plugin with hardware integration.
Hybrid made simple.
Read the full article: HERE