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This was a one of a kind amp project! The donor amp for this project was a Marshall JCM 800 model 2000 which is a 250W RMS amp with six 6550 in the power amp! I've removed the original PCB and built the entire preamp and power amp circuits on turret boards. I've installed the Hermansson 5 gain stages circuit in the amp and made a new ground layout to lower the hum.
Other features:
• Tightness control
• Punch control
• Tube buffered effects loop
• Tube buffered phase inverter
• 3-way tightness range switch
• 3-way punch range switch
• 3-way presence range switch
• 3-way hair switch
• 3-way mid boost switch
• 3-way voice switch
Guitar straight into the amp, nothing in the loop.
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/ hermanssonamplification