John4021 Well-known member May 24, 2018 #1 Thought I seen a R.B. video talking about being able to swap EL34 tubes in a KT88 factory spec Shiva 20th. Just rebias. Anyone do this?
Thought I seen a R.B. video talking about being able to swap EL34 tubes in a KT88 factory spec Shiva 20th. Just rebias. Anyone do this?
Rdodson Well-known member May 24, 2018 #3 I did. You have to clip a resistor to get the bias in range. I wouldn't do it. The amp just works better with the KT88s. I had two of these, both sounded great, the KT's sounded better.
I did. You have to clip a resistor to get the bias in range. I wouldn't do it. The amp just works better with the KT88s. I had two of these, both sounded great, the KT's sounded better.
John4021 Well-known member May 24, 2018 #5 As soon as you said the resistor needs clipped, I totally forgot that I did that to my Twin Jet. 10 mins later I put it back to stock KT88.
As soon as you said the resistor needs clipped, I totally forgot that I did that to my Twin Jet. 10 mins later I put it back to stock KT88.