Ampeg B25B Tube Head (Vintage)
Power Amp: Tube; 2 x 7027A, 60 watts RMS @ 16 ohms
Preamp: Tube; 1 x 12DW7, 2 x 12AX7
Rectifier: Tube; 1 x 5AR4
Channels: 2; 2 inputs per channel (Normal, Bright)
Controls: Bass, treble, volume, ultra high boost, ultra low boost for each channel
Head Dimensions: 10 H x 23 1/2 W x 10 D inches