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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: If used in a conventional 2A3 circuit... posted by JJ Triode on June 4, 2015 at 08:21:37:
Generally, if the tube is designed for A2 it will say so clearly - there must be allowance for heat dissipation from the grid, so the mechanical design is different, and you will sometimes see a spec for grid dissipation.
A few older tubes were operated in push-pull A2 or B2 without any specific design features; the 45 is the most well-known example. I suspect that the circuits used (e.g. a 56 into a 1:1+1 interstage transformer)were not capable of driving enough current to do much damage.
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Follow Ups
- RE: If used in a conventional 2A3 circuit... - Paul Joppa 13:47:31 06/04/15 (0)
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