Marshall-Type Speaker Simulator

This project is a replica of a circuit found in some Marshall Amps that precedes the direct-out on the amp to provide some speaker simulation. It is a fantastic sounding and easy to build speaker simulator.  It could be a valuable addition to your direct output.

• General Build Instructions
• Marshall Speaker Sim Build Instructions
• Marshall Speaker Sim Bill of Materials
• Marshall Speaker Sim Schematic
• Marshall Speaker Sim Parts Layout and Wiring Diagram
• Marshall Speaker Sim Ready-For-Transfer Printed Circuit Board Layout – For use only if you are a complete DIY person who wants to etch and drill your own PCB.
• Marshall Speaker Sim Project Revisions History

Would you like a Ready to Solder Circuit Board for this project?