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In Reply to: RE: what 2 tubes will replace a 6BM8? posted by DAK on December 12, 2015 at 21:43:12
The 6BM8's pentode section is set up as a choke loaded, triode wired, cathode follower. A 6V6 should do the job too.
BTW, that 80 H. loading choke will cost a fair amount of money. Perhaps CCS loading of the CF is an affordable alternative.
Eli D.
Follow Ups:
Thanx for the help Eli. I thought of that too when I first ran across the schematic. I have been using more SS devices in my builds but i am still learning. I have some LM317 and LM337 devices. Do you know of a design using those or other devices that is a good candidate for this? cheers, Dak
What does choke loaded mean? I have thought it meant could only accept certain constant voltage signals, but I am just guessing and am prolly totally wrong.
The second term is "A cathode follower" I have no idea what this means? I thought the signal would be directed a specific outlet pin only in order to dissipate the left over signal that isn't being used for anything, not to something important, a refuse bin in common vernacular. Again I'm prolly hopelessly lost and confused!
It is better to have blurbed and blown it than to have never blurbed at all.
Run a Google search for NEETS, which is U.S. Navy training material. Learn the basics of electronics.
Eli D.
I think he WAS trying to learn by asking valid questions, but didn't get his questions answered.
I was hoping for an easy way but I guess that just aint gonna happen. I will look at the NEETS Navy material. I once knew college level physics, chemistry and did pretty well in calculus etc., but my brain hasn't worked out in many years and is out of shape -so to speak.
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