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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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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: RE: 71A driver at 10mA - too low to sound good? posted by Paul Joppa on January 22, 2015 at 12:00:02:
Since the job of the 71A is already defined (driving the grid of a 50), I do not see an issue with running 10ma of current. The image below represents a 20hz loadline on an 801A (didn't have a 10 model) with an IT that has 50 (green) 100 (blue) and 1,000,000hy's of inductance.
It is interesting to note that in this case, the finite inductance takes its toll in voltage gain before current cutoff is reached.
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Follow Ups
- RE: 71A driver at 10mA - too low to sound good? - dave slagle 17:37:47 01/22/15 (2)
- RE: 71A driver at 10mA - too low to sound good? - Paul Joppa 21:15:49 01/22/15 (1)
- RE: 71A driver at 10mA - too low to sound good? - dave slagle 10:15:14 01/23/15 (0)
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