Koch Tone Series   guitar amplifier "Studiotone" class A, 20W combo 1x12" Jensen, with FS

Koch Tone Series   guitar amplifier "Studiotone" class A, 20W head, with FS

Koch Tone Series   guitar amplifier "Studiotone XL" class A, 40W combo 1x12" Jensen, with FS

Koch Tone Series   guitar amplifier "Studiotone XL" class A, 40W head, with FS

Koch Tone Series   guitar amplifier "Classictone SE", 12W combo 1x12" Jensen

Koch Tone Series   guitar amplifier "Classictone II" class A, 20W combo 1x 12" Jensen, with FS

Koch Tone Series   guitar amplifier "Classictone II" class A, 20W head, with FS

Koch Tone Series   guitar amplifier "Classictone II" class A, 40W combo 1x 12" Jensen, with FS

Koch Tone Series   guitar amplifier "Classictone II" class A, 40W head, with FS

Koch Tone Series   guitar amplifier "Twintone III", 50W head, with FS