Review of the Koch Amps Studiotone 20 Combo amplifier. Where to buy it?
Koch Studiotone 20 head - Koch Amps
Koch Studiotone XL head - Koch Amps
Koch Amps Studiotone XL Combo – Thomann United States
Koch Amps (official) - We believe the Koch Studiotone is still one of the most versatile and compact guitar amplifiers on the market today. 20 watts EL84, 3 channels with switchable voicings