This is a Koch Multitone amplifier, made by the Dutch amplifier manufacturer Koch. After purchase, it was frequently used in live performances, so there are rust on the metal parts, tape residue, minor scratches, etc., but the sound has been confirmed. Basic operation is good, and there is no crackling in the knobs or jacks, but the reverb sometimes didn't work very well. Although it tends to be considered a minor brand in Japan due to the small number of artists using it, compared to the Powertone from the same manufacturer, the distortion is finer, and the crunch and clean sounds have a transparent quality. It was particularly useful for creating sounds that weren't too exaggerated or buried in vocal ensembles. I am selling it now because I have fewer opportunities to use it. This is a used item, so please refrain from purchasing if you are sensitive to such things. Accessories include a footswitch and power cable. Thank you. S/N 0479 #Koch #Koch #HeadAmp #Multitone #Multitone #GuitarAmp