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SET Asylum Single Ended Triodes (SETs), the ultimate tube lovers dream. |
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SET Asylum Single Ended Triodes (SETs), the ultimate tube lovers dream. |
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Hello,
Starting my first amp build, and I have a lot to absorb and learn during the process.... I am interested in incorporating a soft(ish) start using a thermistor. I've gone to a couple of the thermistor folks sites, and read some posts here. I now have a general grasp of what they do, but the selection criteria seems somewhat cryptic.
The transformer calls for a 5 amp fuse, which is about what I come up with when I calculate the output current using delivered watts into 8 ohms (not sure if that calculation is relevant). When I look at digikey for 6 amp thermistors (thought it would be useful to uprate it a bit from 5 amp), the other main selection criteria seems to be cold resistance. I gather that it is to reduce inrush current, but I have no idea how to figure what resistance value is appropriate to my application...
Looking to gather up the parts for my project, and this one has me a bit stumped.
Thanks -- Roger
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Topic - Rule of thumb for thermistors ?? - rogerh113 15:05:58 06/13/15 (5)
- RE: Rule of thumb for thermistors ?? - rogerh113 06:32:59 06/14/15 (1)
- RE: Rule of thumb for thermistors ?? - caffeinator 04:35:44 06/26/15 (0)
- RE: Rule of thumb for thermistors ?? - Triode_Kingdom 17:08:36 06/13/15 (1)
- I built that type of slow-start circuit into LUX MB3045s... - jeffreybehr 17:27:41 07/02/15 (0)
- RE: Rule of thumb for thermistors ?? - danlaudionut 16:44:07 06/13/15 (0)
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