Explaining Tubes

fendervox

Member
Messages
136
Okay, I have a question regarding tubes, more specifically tubes in the power amp. How much of an affect on the tone do power amp tubes play? In other words if I had a Mesa Studio Preamp (or any tube preamp), would there be a difference in sound between a tube power amp or a solid state poweramp driving the preamp?

On the same note, amps such as the Fender Champ 25 SE, I believe use 2 6L6's and 1 12ax7. How much of an affect does 1 preamp tube affect an amp as well?

Anyways, more questions to come later I'm sure, but any help is appreciated. Thanks!
 

Blue Strat

Member
Messages
30,064
...a single-ended (SE) amp typically only has one output tube, not two, unless it's a parallel-SE design amp.

...preamp tubes get the first crack at flavoring the sonic tones, while the output tubes have the last crack at coloring/shaping them...and, "yes," different power tubes have different sonics, ie: 6V6 and 6L6 vs. EL84 and EL34, etc.
And different brands of the same type of power tube (6L6, EL34, etc) can affect tone as well.
 

fendervox

Member
Messages
136
Hmmm, okay I see... so what would be the difference in an amp with 1 power tube and 1 preamp tube (say an Epiphone Valve Jr) and a Triple Rectifier that has 1,532,624 tubes. Or, 'why' would it be different, know what I mean?
 


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