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Re: emergency tube substitution question

6s4 is a triode that I am about to build an amp with. 7189 is a pentode. You really need to find out which one is proper for the amp, b/c there is no way they can sub for eachother without serious rewiring.


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  • Re: emergency tube substitution question - vanofmonks 16:37:34 06/04/06 (0)


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