“Studio Devil British Valve Custom is a FREE guitar amp modeling and audio effects plug-in for use with VST, AudioUnits, and ProTools RTAS compatible hosts running on both Mac and Windows platforms.
- British High-Gain Amp emulation based on Marshall® stack!
- Power Amp Drive Control to adjust natural power amp compression.
- Built In 4×12 Cabinet Emulation!
- Realistic Tone Controls: Bass, Mids, Treble, and Presence
- Professional Sampling Rates: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, and 192kHz support!
- 4X Up-Sampling Engine with 64-bit Floating-Point Internal Precision
- Compatible with Windows and Mac VST, Audio Units and ProTools RTAS hosts!”
Source : studiodevil.com