Ampeg SVT Classic bass head

Preamp: Tube (2 x 12AX7)
Driver Tube(s): 1 x 12AX7, 2x 12AU7
Power Amp: Tube (6 x 6550)
RMS Power Output (2 Ohms): 300-Watts
RMS Power Output (4 Ohms): 300-Watts
Tone Controls: 3-Band
Mid Tone Control: 5-Position Selector
Ultra High/Low: Yes
Balanced Line Out: Yes
Preamp Out/Power Amp In: Yes
Slave Output: Yes
Dimensions (W x H x D inches): 24 x 11.5 x 13
Weight: 80 Pounds