The Origin20H 20W Guitar Amplifier Head from Marshall is an all-valve amplifier head for electric rhythm or lead guitar instruments. It can be used to deliver rich and harmonic audio tones when paired with a speaker cabinet (sold separately), for live stage and recording studio applications.
Built with three ECC83 preamp valves and two EL34 power amp valves, the Origin20H head is equipped with a 2-way footswitch that allows you to turn the gain boost and the FX loop on or off. This allows you to develop your sound by adding an extra level of gain to deliver crunch to your tone.
Furthermore, with just one channel, the amp still offers two voices, normal and high treble. Use the tilt control to blend your sound between the two voices, then access the one you prefer. To suit your playing environment, the amp head is built with power-reducing technology called Powerstem. Powerstem allows you to have high, medium, or low power modes. Finally, crank up the master volume to get a classic overdrive sound, and use the presence control to increase the high frequency.