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- Sat Jan 28, 2023 12:48 am
- Forum: Single Ended KT88 Discussion Forum
- Topic: 5U4GB - Can it be used in place of 5AR4?
- Replies: 0
- Views: 122
5U4GB - Can it be used in place of 5AR4?
I am particular to the 5U4G for two reasons: 1. The coke bottle 5U4GB looks awesome (most 5AR4's have a shorter beer can envelope) 2. I have a 90% vintage Sylvania 5U4GB that I would like to use in place of the 5AR4 Will this work? I suspect the voltage would be reduced a little when using a 5U4G in...