Full Tube Electric Guitar Amp Head Power: 20W 2 Channels Preamp tubes: 3x ECC83 Power amp tubes: 2x EL34 1 Input Controls: Presence, bass, middle, treble, output master, lead master & input gain Speaker connectors: 1x 16 Ω, 1x 8 Ω (2x 16 Ω), 1x 4Ω (2x 8 Ω) Di-output FX loop Dimensions: 510 x 232 x 220 mm Weight: 10 kg