Marshall 1992 - Hermansson 5 gain stages circuit 

A Marshall 1992 from -79 with the Hermansson 5 gain stage circuit. It's an all-tube distortion circuit, no clipping diodes or transistors.
Other features:
• Tightness control
• Punch control
• 3-way tightness range switch
• 3-way punch range switch
• 3-way presence range switch
• 3-way bright switch
• 3-way mid boost switch
• 3-way more mids/dark switch
• Effects loop
Guitar straight into the amp, recorded with an iPhone 7.
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