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?
For all tubes. Turn bias down, turn off amp, remove old tubes, replace with new tubes, let warm up, set correct bias, check again in one half hour.
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