Hi I have for sale four used 6CA7 Fat Boy Sylvanias ,
Two are a matched pair and will bias right up in a Dynaco ST70 and hold bias , and both read 4950 on my Hickock 539C tube testor .
$100 for the pair + shipping
The other two need to be in an amp with a ballance control or seperate bias control for each tube .One reads 5050 and the other 5250 on the 539C .
$75 for the pair + shipping
NO Shorts or Leakage
Mark