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Old 26th September 2005, 08:13 AM   #1
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Default DHT learning

Can someone point me to a place to do some reading on directly heated triode amps? Specifically, I am really just looking for information on how to design with them as opposed to indirectly heated tubes, and what the differences are.
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Old 26th September 2005, 02:42 PM   #2
kmtang is offline kmtang  Canada
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Default Some thoughts about singleended Valve Amplifiers

http://www.fortunecity.com/rivendell...iertheory.html


This is a very good article about DHT SE amp by Thorsten Loesch.

Johnny
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Old 26th September 2005, 10:33 PM   #3
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That is a good article, but I am looking for something much much simpler. More or less, I am looking for a basic "how to" on designing a voltage gain stage for a DHT. Perhaps this is just someting someone here can tell me, but I would like to see a single tube gain stage with a DHT, and an explanation of the how and why for each part -- I am one of those people who learn by seeing simple examples and extrapolating from there. I have a basic understanding of how this works for a indirectly heated tube, but I am not sure how they compare.
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Old 27th September 2005, 12:57 PM   #4
kmtang is offline kmtang  Canada
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I really don't see there are much differences between the DHT and indirectly heated tubes. The design is just the same except for the filament/cathode circuit.

Johnny
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