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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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In Reply to: Re: My real interest is basic. posted by GEO on February 5, 2007 at 05:10:25:
Each of the output tubes you have listed have their own plate resistance. In Class A, a triode tube will give good output power and have low distortion with a load a least 3 times it's plate resistance. The higher the load impedance the lower the output power and the lower the distortion.A 45 has a plate resistance of about 1650 ohms. Three times that is 4950 ohms. A 300b has a plate resistance of 700 ohms. You see a lot of people using 2500 ohm transformers for the 300b. A 300b will have less output power and lower distortion if it is loaded with a 5000 ohm transformer.
One size does not fit all. But there is some wiggle room.
Tre'
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Follow Ups
- Re: My real interest is basic. - Tre' 14:16:35 02/05/07 (1)
- Thanks for the Reply - GEO 15:51:55 02/05/07 (0)
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