Ronald Passion has released FV-70, a freeware guitar preamp effect for Windows.

FV-70 Guitar Preamp features

• LOW, MIDDLE and HIGH: 0 to 10 levels, they can be set as POST EQ.
• GAIN range: 0 to 10 levels. Dry to Wet.
• POWER range: 0 to 10 levels. Full -> more Tube Power Amp levels and punch characters.
• MASTER range: 0 to 10 as level out of the preamp/master output.

Download Free FV-70 Guitar Preamp