Ampeg PF-50T Bass Head B-Stock

B-Stock, Ampeg PF-50T all-valve bass head, 50W @ 4 or 8 ohms, preamp: 2 x 12AX7, power amp: 1 x 12AU7 & 2 x 6L6, 0db and -15db inputs, tone controls: bass, mid, treble, mid-tone control: 5-position, ultra Hi/Lo boosts, input gain control,preamp balanced line out,pre/Post EQ,ground lift,transformer balanced line out,ground lift,no speaker load required, user-adjustable bias control, dimensions whd: 382 x 190 x 260 mm, weight: 8,8kg, B-Stock with full warranty, may have traces of use.