- 15W, 1-12 in. Bulldog speaker, tube combo, preamp: 5 X ECC83, ECC82, power: 2 X EL84, 5Y3 rectifier, single channel, top control panel, two inputs, seven black pointer knobs (v, t, b, reverb, s, depth, MV), black covering, diagonal brown grille, mfg. 1996-2002.