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Planar Speaker Asylum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: Re: 20 watts of tubes can be fine posted by paco on June 8, 2000 at 04:09:36:
The output power in Push-Pull (2 tubes in the output stage):
6V6, 2a3: approx 10 watts per channel
EL84, 6b4G: approx 12 watts per channel,
300B, EL34 in triode: approx 15 watts per channel
This is from memory - I could quote actual values if I looked up the data sheets. It depends how the tubes are run in the design, mainly on the anode voltage, e.g. both the 300B and the 6b4G can be run 'hotter' to give more output, though tubes last longer at lower voltages. For SET (single ended triode) designs you would get roughly half the above figures (normally one tube in output but can use two in parallel). If you ran four instead of two output tubes in push-pull, you would get corrspondingly more output. This is rarely done with the 2a3 and 300B because the tubes themselves are expensive, but is much more common with EL84, which are cheap. You will get a lot more info on the tubes and SET pages of the asylum.
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Follow Ups
- Tube power ratings - andy evans 06/8/0008:36:37 06/8/00 (2)
- Re: Tube power ratings - paco 10:22:53 06/8/00 (1)
- Re: Tube power ratings - andy evans 14:50:52 06/8/00 (0)
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