I have an 20 watt amp that uses 2 x EL84 power tubes. The gain side has an insane amount of gain available, but it sometimes sounds a little fizzy to me. Is this the nature of EL84's when used with a high-gain preamp? The clean channel doesn't sound fizzy to me when pushed hard, so I'm thinking it could be the gain side preamp? I tried installing mod board that I built to clean this up, but it didn't make any difference. I can clean the fizz out with an EQ in the gain side loop, but I'd like to be able to remove the fizz without using an EQ.
I know a lot of guys here have experience with the Jet City 20 watt, so maybe you can enlighten me as to what I may be dealing with. This is the first high-gain EL84 amp I've ever owned. The amp uses a single tone knob, so I have limited control in terms of tone adjustments. It does have selectable slope and dampening, along with a built-in attenuator. Oddly enough, the fizz is reduced when I attenuate the signal, one notch down.
I know a lot of guys here have experience with the Jet City 20 watt, so maybe you can enlighten me as to what I may be dealing with. This is the first high-gain EL84 amp I've ever owned. The amp uses a single tone knob, so I have limited control in terms of tone adjustments. It does have selectable slope and dampening, along with a built-in attenuator. Oddly enough, the fizz is reduced when I attenuate the signal, one notch down.