In this video we will follow the conversion of a cool, vintage EL-84 powered Knight Allied Radio hi-fi mono amplifier head into a kickass 15-18 watt tube guitar amplifier. We will end up with something comparable in tone and power to an 18w Marshall, a Vox AC-15, or a Dr. Z Carmen Ghia.
Tone stack information: http://amps.zugster.net/articles/tone-stacks#Baxandall