The RVDT10 (Reverb + Dual Tremolo in a 10” combo) is my 5 Watt single ended amp built into an Akai M8 chassis with a tube lineup of: 12ax7, 12ax7, 6c4, 6bq5, & 6x4 rectifier. Controls include: Volume, Tone, Reverb level, Negative Feedback switch Tremolo depth, and line output level. The tremolo footswitch allows the user to momentarily switch between a slow and a fast speed. Without the footswitch, the tremolo rate is fixed at ~5Hz. The Negative Feedback switch allows the amp to get aggressively overdriven in the up position, or stay clean and pedal friendly in the down position. There is also a Cool and a Hot input for addition gain options.