![Simple guitar cabinet simulator SE33 Speaker Simulator](/images/schm/SE33_pcb.gif)
Originally, this design was made for Polish tube enthusiasts forum www.trioda.com. The project is based on Marshall SE100 Speaker Emulator unit, it's a simplified part of the filter section redesigned to be used as an optional module in tube amp builds.
Schematic:
![SE33 Schematic](/images/schm/SE33_schem.gif)
Frequency Response:
![SE33 Frequency Response](/images/schm/SpeakSimSpectrum.gif)