trumpet:Yamaha Xeno
range:pedal C up to a high E above staff, went up to F once but never ever hit it again.
mouthpiece: 3c, i may want to switch to a mouthpiece with a deeper cup but idk, or get a custom engraved 3c mouthpiece, but my 3c has helped me so much
chair: still in marching season(Made it to state ), but frozen at 3rd chair A2 band.