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Vintage threads from the first ten years

tubes

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1/24/1997 12:50 AM

I recently purchased Bassman amp. It came stock with the 6L6GC tubes in
it. I came across some NOS 6L6WGB and was going to install them in the
Bassman. Upon further investigation I found out that the plate voltages
are much higher in the GC's than in the WGB's. If I install these tubes
do I have to make any mocifications to the amp for them to work or is all
that is required is re-biasing.

1/24/1997 12:17 PM
Josh Cecil	As far as I know if the tubes are compatable all that you have to do is adjust the bias to keep the tubes from running too hot. The higher voltage tube at the same bias will likely cause the tube to run hot. You can always call fender and ask if they know some good modifications or other tubes that work well.

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