140 Watts RMS into 16, 8 or 4 Ohms.Four matched EL34 tubes and four 12AX7 tubes.Five selectable EQ/gain voicings.Gain control.Three-band passive EQ.Master volume.Presence control.Ceramic tube sockets.Custom USA transformers.Ultra high quality components.Dimensions (HxWxD): 17.875" (454mm) x 21.375" (543mm) x 10.25" (260mm)Weight: 57.8lbs (26.24Kg)