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Folk,
I have found an post in AA quoting:
"To decide how a tube operates you need to identify the ground reference for the input signal. In an ordinary common cathode amp the cathode is grounded. In a cathode follower the plate is at AC ground (B+.) In the Circlotron the reference is the grounded center tap of the output transformer. So is it common cathode or cathode follower?"
With my limited knowledge the Cicrlotron is similar to cathode follower in which I always find the typical CF having mid-range compression sonic signature, I always try to avoid having it
It happens that I have just found out that my BAT VK75se in fact is Circlotron structure. I enclose the topology diagram found in Mr. Turner website. Can someone describe if the aforementioned description indicate whether the Circlotron being the plate load or cathode?
Follow Ups:
Circlotron is PP.
As all PP arrangements load can be either plate or cathode.
John Broskie has written a lot on this topic.
http://www.tubecad.com/2016/08/blog0353.htm
ecc230
It seem your provided link cannot be found
http://www.tubecad.com/2016/08/blog0353.htm
If it doesn't work just google "Broskie circlotron".
ecc230
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