Hi Ronnie, I'll try a SWAG. I'don't think that the 6L6 is a drop-in replacement for the 6V6.
Maybe the 6L6 is not properly biased? Have you tried a pair of 6V6's? I imagine the tubes are running PP Class A and wonder if the plate to plate resistances are the same. 73 de Dave w5sum wrote: > Morning All > > well I have dived headlong into my SX-28 restoration. The first order of > business was to try to get the wiring correct in the audio output stage. It > had a replacement audio output transformer, and the wiring to the headphone > jack was all wrong... end result was that there was NO audio available at the > speaker jacks on back and bad audio with headphones. > > I had a parts unit here so I took the audio transformer out of it,and put it > in the one I'm restoring. I wired the headphone jack up correctly, and the > speaker jacks on back. I now have decent audio from the speaker terminals > with the factory speaker, and so so audio using a 8ohm headset at the > headphone jack. > > HOWEVER, the 6L6's ( someone subbed out the 6V6's ) run scalding hot.. I > mean.. so hot you can smell them. I have changed EVERY component in the > audio section around the output tubes, and the 6SC7. > > Anyone have any solutions to why these tubes are getting so hot? > > thanks in advance > > r > > The "AM" voice of Shreveport, Louisiana USA > formerly WN5AIA and WB5AIA > I got my Extra Class the old fashioned way... I earned it! > _______________________________________________ > AMRadio mailing list > [email protected] > http://mailman.qth.net/mailman/listinfo/amradio
