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So, this may seem ridiculous, but I want to build a champ style amp with a KT88 output. I like the idea of the AX84 SEL, but I'm pretty sure I'm not so interested in 3 preamp stages. Is it possible to modify the 5e1 circuit to accommodate a KT88 in the output and only have one 12AX7 in the preamp? I'm sort of 50/50 on whether or not I care about master volume and a 3 band tone stack. If it's not a big deal I'll go for it, but I also like how the champ is just a volume knob. I'm good at following schematics and doing builds, but I'm not into the prototyping stage yet. That being said I understand most direction given by people on here. Thanks in advance.
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The KT88 will draw more current on the filament and need more current for the plate than a 6V6. Y0u will need a beefier power tranny and output tranny.
Also, the voltage needed to drive the 88's grid will be higher than a 6V6 for full output. An EL34 might work better.
I worked on a Peavey amp that was single ended woth an EL34 that put out better than 20 watts
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