Boss KTN-HEAD-3 Katana Gen 3 100W Head Guitar Amplifier mic bar Tubing size on main frame:

Tubing size on main frame: 1" and 1

hand-hammered “QI” taper in lightweight yellow brass with soldered bead

V•12 reeds are manufactured from cane tubes with the same diameter as cane used for alto saxophone reeds

and these disposable

Boss KTN-HEAD-3 Katana Gen 3 100W Head Guitar Amplifier mic bar Tubing size on main frame:The Next Generation of a Modern Classic With Katana Gen 3, the acclaimed BOSS stage amplifier series evolves to take your guitar ambitions to the next level. New Tube Logic enhancements enrich the core platform with even greater sound, feel, and response, including an expressive Pushed amp character that edge of breakup fans will love. The BOSS Tone Studio app has also been updated, making your remote amp and effects editing workflow more intuitive