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In Reply to: Is the KT120 a direct swap for the KT88 ?? posted by ABliss on October 21, 2014 at 15:50:57:
I believe they are pin compatible but the KT120 might draw more filament current. The specs I saw via internet search showed KT88 nominal filament current as 1.6A. The KT120 spec I saw said 1.65A to 1.95A.
If your filament transformer / supply is up to the task, it should work.
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Follow Ups
- RE: Is the KT120 a direct swap for the KT88 ?? - AbeCollins 22:45:05 10/21/14 (0)