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Well no luck with the tuning. I ran through the tuning process as discussed and and can get no better than .5-.75 watt deadkey swinging to 1.5 watts. I've also tried 2 new 6AQ5's, 2 6AN8's and 3 different 12BH7 tubes with no more than the above output. I'm at a loss as to what to do next. I'm hoping the VNA will prove helpful because I'm pretty much out of options

[QUOTE="Champo, post: 775067, member: 60887"] Well no luck with the tuning. I ran through the tuning process as discussed and and can get no better than .5-.75 watt deadkey swinging to 1.5 watts. I've also tried 2 new 6AQ5's, 2 6AN8's and 3 different 12BH7 tubes with no more than the above output. I'm at a loss as to what to do next. I'm hoping the VNA will prove helpful because I'm pretty much out of options :( [/QUOTE]

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