![]() ![]() Yes, different guitar cables can change your soundįortunately, not all the links in this chain are equal. With so many variables, it would appear that conjuring emotive tone that brings tears to your eyes, or at least goose bumps to your flesh, is more of an accident than an achievement.īut make no mistake, there’s a science to dialing in great guitar tone. It’s not just the speaker type that shapes your tone, though the housing also has a say in what comes out of it. The guitar, pickups, strings, cables, effects, amplifier – all the links in this long chain contribute to the sound that ultimately emerges from your loudspeakers. The recipe for great electric guitar tone has many ingredients. But what causes our amps to produce these holy tones? And where do the preamp and power amp fit into all this? As usual, Blog Of Tone has the answers. It’s that addictive tube-driven crunch that fuels our rock star dreams and inspires us to seek out the best gear possible in that never-ending quest for tone. we have to remember that changing the B+ voltage rebiases all of the preamp and the phase 8nverter, too….they are all cathode bias.Many of the most celebrated guitar sounds in history have been those where a tube amp is being pushed to its limits. The amp was much warmer and more musical at the lower voltage, ime….same power tube plate dissipation. It is educational to hear the difference. Set it to the same plate dissipation as one had set for the 117VAC. It is also interesting while going through this process of checking and setting to rest the bias at the higher voltage. Checking at 125VAC, the plate dissipation was safe. I set the amp where it sounded really good….about 62-65% of max plate dissipation. I set up a DR for a fellow who ran 117VAC. Yes, running above that 80% point does wear the tubes a bit more quickly…but it is not a sudden death. It takes a lot of plate dissipation to harm a power tube….75-85% for a gig is not going to do any damage. I want to know that the amp is safe there in case one gets caught having to run that higher voltage, right? More than likely, things will be safe. I then check things out at the highest voltage I have seen at the wall….125VAC in your case. I find the point where the amp works for me at the ‘chosen’ controlled voltage…say 117VAC. ![]()
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