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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: Experience with RC coupled power stage? posted by twystd on January 22, 2015 at 15:55:52:
The 3K resistor is in AC parallel with the OPT, for a net load impedance of ~1500 ohms. For good results you would like the resistor to be 10 times the load impedance; that's 30K and at 75mA will drop 2250 volts. That's why you've never heard this before!
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Follow Ups
- RE: Experience with RC coupled power stage? - Paul Joppa 16:06:52 01/22/15 (8)
- 10 times - RayP 18:01:38 01/22/15 (3)
- Oooo - good catch! - Paul Joppa 20:37:27 01/22/15 (2)
- RE: Oooo - good catch! - twystd 21:23:43 01/22/15 (1)
- Good chokes... - Cleantimestream 03:40:38 01/23/15 (0)
- Thanks Paul! - twystd 16:12:17 01/22/15 (3)
- RE: Thanks Paul! - Paul Joppa 16:26:25 01/22/15 (2)
- Hmmm...Now that's interesting - twystd 16:55:06 01/22/15 (1)
- RE: Hmmm...Now that's interesting - Paul Joppa 20:42:21 01/22/15 (0)
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