Pair of Jensen/Koch VG12-90 Guitar Speakers | Reverb
Koch Amps (official) - #throwbackThursday First series Classictone 410 combo with 40 watts power with 2 channels and a Vibrato! Any players out there still using the 410 or the 210 Classictone? | Facebook
Koch Amps TS412 Speaker Cab | Woodstock Guitars
Koch Amps - Koch Studiotone 20 Oak LTD EDITION! Let me hear it for this glorious combo. | Facebook
Koch Loadbox II Power Attenuator, DI Box and Speaker Emulator | Music & Arts
Pair of Jensen/Koch VG12-90 Guitar Speakers | Reverb
Koch VG12-60 Speaker (8ohm) | Reverb
Andreas Koch on Teamwork & Leadership - Premium Speakers