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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: direct coupled output tube what if driver tubes being pulled out... posted by wlee on November 27, 2005 at 07:06:12:
Hi ,
Pull the drivers and it's bye bye output valves but then again , are you going to pull the valves while it's running ? Try using a fusible resistor between output stage cathodes and 0V in case you are worried about this . Alternatively DC coupled cathode followers to the output stage grids is a (fairly safe) way of direct coupling or a CCS under the output stage . By the way 8417 may be a pain to get stable in such a circuit , these valves are best suited for cap-coupled self bias circuitscheers
...FB
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Follow Ups
- Re: direct coupled output tube what if driver tubes being pulled out... - fatbottle 09:14:12 11/27/05 (1)
- Re: direct coupled output tube what if driver tubes being pulled out... - wlee 16:55:42 11/27/05 (0)
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