Tone King Imperial Preamp Tri-Tube Preamp Pedal w/3x 12AX7 Tubes – Open Box
Stereo Convolution Spring Reverb & Stereo Tremolo. It features the exact preamp section and phase inverter circuitry of the Imperial MKII amp, as well as Reverb, Tremolo and Attenuation, resulting in a pedal that sings with harmonic richness and blooming touch response.