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Post by cedarchoper58 on Apr 16, 2020 18:59:13 GMT -5
Does it wear out the power tubes if I run my tube screamers output way up to like 3 oclock. It sounds great there thkss
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pdf64
Wholenote
Posts: 558
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Post by pdf64 on Apr 17, 2020 3:10:48 GMT -5
I acknowledge it’s counterintuitive, but the signal level at the input of the amp (and anywhere along the signal path up to the power tubes) is immaterial to stress on the tubes. The power tubes are the only ones that work harder / wear out faster, when pushed hard.
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Post by cedarchoper58 on Apr 17, 2020 9:45:08 GMT -5
I acknowledge it’s counterintuitive, but the signal level at the input of the amp (and anywhere along the signal path up to the power tubes) is immaterial to stress on the tubes. The power tubes are the only ones that work harder / wear out faster, when pushed hard. so does pushing the output of a tube screamer push the tubes harder thus wearing them faster?
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Post by Peegoo 🏁 on Apr 17, 2020 11:30:20 GMT -5
No. All it does is deform (distort!) the sine wave of the signal.
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Post by cedarchoper58 on Apr 17, 2020 12:51:39 GMT -5
No. All it does is deform (distort!) the sine wave of the signal. so even though the volume gets louder it does not push the power tubes harder. I run my volume on 7 which is pushing the power tubes fairly hard and am conserened having the tube screamers put put 3/4 of the way up is like cranking the volume to 10. Is this not true thks
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Post by LTB on Apr 17, 2020 16:06:52 GMT -5
I acknowledge it’s counterintuitive, but the signal level at the input of the amp (and anywhere along the signal path up to the power tubes) is immaterial to stress on the tubes. The power tubes are the only ones that work harder / wear out faster, when pushed hard. I know you know this but for those who do not. Some set their power tubes bias hot for warmer tone. Going to far also causes premature failure of the power tube. In fact if you go too high the plates will glow red which is not good.
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pdf64
Wholenote
Posts: 558
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Post by pdf64 on Apr 17, 2020 18:22:25 GMT -5
If it sounds great at that setting because, in conjunction with everything else, it’s pushing the power tubes hard, then yes, the power tubes will probably wear out quicker than if the pedal output was turned down. The pedal is probably just boosting the signal to a similar gain as if plugged straight in with the amp volume on 10. Or if you swapped a strat for a les paul. Or if you boosted it with an even gainier pedal but turned the amp volume down to 3. Amp volume controls only, in reality, adjust preamp gain. They don’t somehow regulate the amp’s max power output to some calibrated amount. Volume / gain controls allow a set % of the signal at their input through to their output. Whatever the setting, ‘more signal in’ results in ‘more signal out’. Your signal chain looks to have such volume controls on your instrument, on the output of the pedal, and in your amp’s preamp.
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