#1
What happens if I put new pre amp tubes in my amp and don't bias them?
#2
Quote by flytv12
What happens if I put new pre amp tubes in my amp and don't bias them?

Your amp should still work fine but the tubes will probably die faster or else not sound as good as they can
MIA Fender Strat
Yamaha FG-450S
Crafter 12 string
Orange Rocker 30 combo
Vox AC30CC2
Epi Valve Junior
Fulltone Clyde
Danelectro Free Speech
T.C. Electronic Vintage Dual Distortion
Boss MIJ GE-7 (c1987)
Boss TU2
MXR Phase 90
Artec delay