if replace stock kt88 to el34 tubes , help

i buy some el34 now the bias its on center on kt88

if i replace the stock kt88 i need put the voltage lower in el34 new tubes then after 30 minutes to bias to center?

israrami11-14-2021 6:13pm

israrami OP Details Discussions Posts This discussion Message User 3 posts 11-14-2021 at 08:05pm Copy Comment URL Report Comment Edit Delete to remove also preamp tubes?
sfar Details Discussions Posts This discussion Message User 1,760 posts 11-15-2021 at 03:34am Copy Comment URL Report Comment Edit Delete If you're asking whether you need to also remove the preamp tubes to be able to set the bias, the answer is no. The preamp tubes are not affected by the bias process.
jjss49 Details Discussions Posts This discussion Message User 6,612 posts 11-15-2021 at 04:30am Copy Comment URL Report Comment Edit Delete on what amp??? on some you may not switch from one to the other... also, this post is in the analog section.... doesn't belong here
israrami OP Details Discussions Posts This discussion Message User 3 posts 11-15-2021 at 09:50pm Copy Comment URL Report Comment Edit Delete tubes= analog , what section tubes digital?! w*f?!
lowrider57 Details Discussions Posts This discussion Message User 5,417 posts 11-16-2021 at 12:19am Copy Comment URL Report Comment Edit Delete Analogue means turntables, tonearms, cartridges. The moderator can move this thread if necessary. @russ69 has provided the proper procedure to bias power tubes. My question is what amp do you have and does it work with both those tube types?