- 30W, 2-12 in. Vox Celestion Alnico speakers, guitar combo, 10-tube chassis: preamp: 1 X EF86, 3 X 12AX7 (ECC83), 1 X 12AU7 (ECC82), power: 4 X EL84, rectifier: GZ34 (5AR4), two channels, vibrato/tremolo, top control panel, four inputs (two per channel), six black pointer knobs (vib/trem speed, vib/trem depth, Ch. 1 v, Ch. 2 v, Ch. 1 brilliance, Ch. 2 top cut), blond covering, brown grille, mfg. 1960-61.