Blackstar HT Club 50 50-Watt Guitar Amp Head 50 Watt, all-tube head with Master Volume and Digital Reverb (with Dark/Bright switch) Tube Complement: 2 x ECC83 (12AX7) Preamp Tubes, 2 x EL34 Power Tubes 2 Channels, 4 Modes: Clean (Boutique, Modern); Overdrive (Classic, Modern); 3-Band EQ Exclusive ISF control; Emulated Speaker Output; Series Effects Loop 2-way footswitch is included