Laney GH 50L guitar head

Power RMS: 50 Watts Inputs: Hi & Lo Jacks Channels: One, with footswitchable Gain Equalisation: Bass, Middle, Treble Master Presence Control: Yes Switchable Resonance: Yes Preamp Valves: Premium ECC83 Output Valves: Premium EL34 Switchable valve bias (5881 / EL34): Yes Class: A/B Link Jack (Line Level Slave): Yes