All About vintage pro audio
It is usually called a valve amp. they are made out of vacuum tubes. if i am correct, valve amps don’t usually have as much of a blues amp. more of a classic rock with a soft tone
Tube amps have a system of vacuum tubes in the guts of the electronics as opposed to the solid state circuitry that is more commonly found in amps of the day.
They produce a very distinct fullness of tone when compared side by side with solid state amps of the same wattage output ratio…. they run considerably hotter, however, and burn considerably more electricity per wattage level as well.
The effect is such .. that a number of solid state amps are coming out now… with distinct settings that try to emulate this tonal range with the presets that are available…. don’t know of many that are pleased with these, however….
These amps can produce outrageous tonal variations when used in performing blues….. Go to any music store that sells these puppies and try one out…. I think you’ll be favorably impressed….
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they use glass tubes which was what a lot of electronics used back then before computer chips and such. They give a more traditional sound but some need to be warmed up and then warmed down.
Uh, ill fail to explain how they work but they are said to have a much warmer and lifelike tone than regular amps. They are usually considered superior. Read up. Tube amps take a lot of power.