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In the Forum: Melquiades Amplifier
In the Thread: The 6E5P tube data.
Post Subject: 6e5p can drive in full amp?Posted by Celsius on: 12/12/2013
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 Romy the Cat wrote:
Celsius, I think you do not take in your equation the input voltage. If you bias 6E5P with 4.1V then it can pass 4V with no feedback.  Since the tube has under normal circumstances 33 times gain then you have 132V RMS from your driver stage, wish is if I am not mistaken 373ppV.  That is all that 6E5P can do and among the tubes that I have seen that is one of the highest voltage swinging triode that still can handle 8W on plate. If you would like to use other tubes then it would certainly do but I can only comment upon the tubes that I know and tried.

Thanks Romy,  I see.

The problem is that my target is drive a 211  as full amp,  and my CD player  give a litle bit more than 1v to grid

 What do you think    1V x 33times x 2.8 give 93ppV enought to drive the 211.

I have  a small board negative voltage regulator based in lm337, Does  anybody test to use as Bias fot 6e5p ?

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