The VAC 45 combo ($1600.00 + shipping) has both the gain and volume preamps featured on the VAC 25 and VAC 23 respectively. It has V.A.C. presets of: 45, 30, 15, and 5 watts. Tubes: 6L6GC push-pull pair, 12AX7 preamp (3), and 12AT7 driver. The standard speaker is the Jensen 12” NEO. The preamps are selected externally with the included A/B box. Very compact at 22” wide x 18” tall and 10 ½” deep.