Tube amplifiers are a great way to increase the power and signal of your guitar or other instrument. It uses vacuum tubes to increase that power and you can find many different makes and models that help you alter the sound that comes out as well. When you choose tube guitar amplifiers, you need to decide on whether you want a combo amplifier or a standalone. The combo will give you several different speakers within a cabinet so that you can get all of your sound from the amp without carrying around any additional equipment with you. The standalone, often referred to as a head or amp head doesn't include the speaker, which means that you need to then get a speaker cabinet as well. When you're looking for tube amps, you need to give a lot of consideration to the types of sounds that you want to create. Many amps have electronic effects that you can add to the sound as it goes through the amp. This includes compression, distortion, equalization and reverb. You can also find ones that are specifically designed for different genres of music. As you shop for tube amps, you need to give a lot of consideration to reviews. This is sometimes the best way to shop for an amp because you can hear about what other musicians think about the amps. They'll tell you what kinds of sounds they were hoping for and what they got. If you don't read the reviews, you're at the mercy of the brand, which can be a very one-sided review. If you can't test out the amp for yourself when you're buying tube amplifiers, then the reviews are the next best thing. This way you can ensure that you're going to get the sound that you want so that you're not suddenly looking for a new amp immediately after buying the first one. Another thing you need to look at when you're shopping around for tube guitar amplifiers is the wattage. If you're playing in your garage, then you don't need a very high wattage. If you're playing different gigs, such as night clubs or amphitheaters, then you need a much higher wattage so that you can crank out as much power and sound as possible to be heard. Find out exactly how you can change out the settings for the tube guitar amplifiers. Most amps have dials that allow you to change up the volume, treble, bass and other effects. Many are now going to digital screens, too, where you can customize the sound and have it stay that way so that you don't have to mess with a bunch of dials right before you go on stage for a performance. The tube amps come in a range of different sizes. This might not matter so much if you're looking for one to just sit in your garage or studio, but taking it on the road can matter a lot. Some have wheels or handles to make it easier to carry. If you're going on tour or do a lot of gigs, you may want to take some time to look into all of your options. As long as you take good care of your tube amplifiers, they will last a very long time. This means you really need to put some thought into the type of amp you get. The ones with the larger amount of controls will allow you to alter and adapt your music so that you can experiment and offer new sounds. Find out more about tube amps. Get more information on http://www.ampeg.com/products/gvt/.