midification to use KT-88 power tube

[paulness777]

Will have my Bottlehead Crack headphone amplifier tomorrow night, so excited about all I have read about it.  It is stock, and I want to modify it to use a KT-88 power tube.  What parts do I need to do that?

 

[Paul Birkeland]

It is stock, and I want to modify it to use a KT-88 power tube.  What parts do I need to do that?

This is not possible.