Pedantic note

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Single Ended Triodes (SETs), the ultimate tube lovers dream.

In Reply to: EL84 and true pentodes interesting question posted by Stuben on April 24, 2014 at 12:58:31:

A true pentode has three grids, whether or not the suppressor grid is internally connected to the cathode.

The alternative is a beam tetrode or "kinkless tetrode" such as the 6L6 or KT-66. The distinction was once important and patent battles were fought. Nobody really cares any more, since they work pretty much the same.

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Follow Ups Full Thread

Topic - EL84 and true pentodes interesting question - Stuben 12:58:31 04/24/14 (5)

Pedantic note - Paul Joppa 19:21:15 04/25/14 (1)

RE: Pedantic note - Stuben 05:35:39 04/26/14 (0)

RE: EL84 and true pentodes interesting question - Stuben 18:16:05 04/24/14 (0)

Why would you tie G1 & G3 together at the socket........ - vinylkid58 16:03:02 04/24/14 (1)

RE: Why would you tie G1 & G3 together at the socket........ - Stuben 18:15:08 04/24/14 (0)

Follow Ups

Pedantic note - Paul Joppa 19:21:15 04/25/14 (1)

RE: Pedantic note - Stuben 05:35:39 04/26/14 (0)

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