I had an Allen SoulMate. Actually built it from his kit.
The 12AU7 swap, does exactly that. Fattens things up and smooths things out. You can also play with 12AT7s, 5751s or 12AY7s.
The 12AU7 swap, does exactly that. Fattens things up and smooths things out. You can also play with 12AT7s, 5751s or 12AY7s.