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previous: marc Has anyone tried a 6GH8 as a sub fo... -- 9/24/1997 9:00 PM View Thread

Re: 7199 substitute

9/25/1997 9:02 AM
Steve M.
Re: 7199 substitute
I've done this mod to my Dyna ST-70, FWIW. I got a Sound Values replacement board for my Dyna that is designed to use the 6GH8A instead of the 7199. It works great. From what I understand, the only differences between the two tubes are the pinout, and the 7199 has a twisted filament to reduce hum. Other than that I believe that they are electrically identical.  
Hope this helps