![]() ![]() ![]() ![]() In 99.9% of all guitar amps the distortion and gain comes from the front end of the amp by over driving the preamp tubes. I can't tell you how many players ask this question and believe that their power tubes or some of them are used specifically for the lead, gain or drive channels in their amp. "Which power tubes in my amp are for the lead channel?" Answer: All of them! This is one of the most misunderstood things about multiple channel amps. So you players looking for a bedroom amp need to look for amps that are between one to five watts. ![]() This is simply because every time you double your power you only get three decibels louder. In turn, players running 50 watters and looking for more power are often disappointed that a 100 watter is not twice as loud. The 100 watter has a little more grunt but the 50 watter is not far behind. If you have ever plugged into a 50 watt half stack and then compared it to a 100 watt half stack then you know what I mean. It will only drop the sound pressure level by three decibels. "Will running my 100 watt amp with two power tubes make it half as loud?" Answer: No. In most 100 watts amps you can pull either the inside two tubes or the outside two tubes to run in half power. Even if you use some of the lower power 6L6's like the GT GE's and you drop the power down to about 90 watts you will not lower the decibel level by any more than a fraction of one decibel which is barely perceivable. An amp designed to make 100 watts using a quad of 6L6's will make right at 100 watts with just about any 6L6. "I just have to have a lot more power tube distortion from my amp at much lower volume levels! What tubes do I need?" Answer: In 99.9% of all guitar amps power tubes will not get you more distortion at lower volume levels. So here are a few of the most common questions and their answers. So let's open this can "O" worms! I thought it best to quote some of the questions we get here everyday and give simple answers. We get emails and phone calls every day asking for power tubes that will get more gain in both single channel amps and multiple channel amps. I decided to devote a full page to this subject rather than include it in the FAQ page. ![]()
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