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  Power output of tube amps compared to solid states
I'm having a hard time trying to figure out how tube amp power output relates to solid state power output. I've been looking at the classifieds for tube amps and I see lots of tube amps with 50w or 60w output, but nothing close to the 250w output typical of solid state amps.

So I have no idea what type of tube amp is required for my set up, right now I'm using totem forests with a required power rating of 150w-200w at 8ohms. The bass is so powerful on these that I have the sub crossover set to 40hz.

My question is, are tube amps so efficient that 50w from a tube sounds like 150w from a solid state? Or will 50w output from a tube severely limit how loud I can play my speakers? If so, are tubes usually meant to be driving super-high efficiency speakers?

I had previously tried a tube pre-amp with a solid state power amp (both musical fidelity) and didn't like the results because the imaging suffered greatly, even though the music sounded nicer from a distance. Now I want to try a solid state pre-amp (bryston) with a tube power amp (no idea which brand to look at), but I don't know how much power output I need or if it will even be possible with my speakers. Does anyone know what I would require?
Acrossley  (Threads | This Thread)

03-07-10
  Responses (51-100 of 154)
Click title to read one, or click date to read all below it.

03-18-10   Once again, i return to how radical a departure arthur's pos ...   Trelja

03-18-10   I thought ralph's point was that the choice might be because ...   Pubul57

03-18-10   ' i do know this about power, i seem to want as little of i ...   Mapman

03-18-10   Unsound, the point of my post was in fact that all humans do ...   Atmasphere

03-18-10   How does this discussion apply to tubes versus ss in preamps ...   Pubul57

03-18-10   Aball's comment about "electron mobility being about a ...   Davemitchell

03-18-10   Doesn't the signal have to fight through all that copper wir ...   Pubul57

03-21-10: Emorrisiv
This is a great thread. My personal experience as a trained musician and not a scientist is that class A has always sounded "bigger",more powerful and more accurate(I could also say "musical" but I don't like to use that term).
I remember back in the 70s hearing a (200rms) GAS Ampzilla with some Energy speakers. I wasn't moved.We then heard the same speakers with a little 10watt class A Bedini and it blew the Ampzilla away in every way. That was a learning experience that has always come back to me when I audition amps.I hear tube amps similarly to SS amps.
Could someone talk of Triode PP vs Ultralinear? Since they are frequently the same amp being able to work in either mode.

Now what I really want to know is will Ralph's M60 work with my Acoustats! (with zeros of course).

just having fun

e

Emorrisiv  (System | Threads | Answers | This Thread)


03-22-10   Yes pubul57, the signal does have to fight its way through a ...   Davemitchell

03-22-10   Well, for whatever reason, tube amps sound better to me, and ...   Pubul57

03-22-10   Atmasphere, i would really like to read that ge report in co ...   Unsound

03-23-10   I've only seen snipets but its easy to prove if you have som ...   Atmasphere

03-23-10   I'd be more interested in seeing at what volumes, ratios, an ...   Unsound

03-24-10   Unsound, seriously, just try the test i outlined above. it w ...   Atmasphere

03-24-10   Atmasphere, i don't have that kind of equipment. it's not th ...   Unsound

03-25-10   Unsound, its not. almost any service shop would have such ge ...   Atmasphere

04-02-10   I wonder if ge performed these tests to determine how airlin ...   Emorrisiv

04-02-10   Atmasphere, that might be true, but then there is the issue ...   Unsound

04-04-10   Unsound, sounds like right here is the point where you are g ...   Atmasphere

04-04-10   This is strictly my opinion/impressions having owned some s ...   Rugyboogie

04-04-10   Atmasphere, the "why" for me is; never mind the is ...   Unsound

04-04-10   Unsound, i think you hit on it, some speakers simply need ss ...   Pubul57

04-06-10   Unsound, for your answer: http://www.atma-sphere.com/papers ...   Atmasphere

04-06-10   Atmasphere, thank you. i read the link again, it's a good re ...   Unsound

04-06-10   Unsound, well, not vehemently at least :) all the things i ...   Atmasphere

04-06-10   Atmasphere, what speakers cannot be driven by ss and why? ...   Mapman

04-06-10   Is there such a thing? seems like ss can drive anything, it ...   Pubul57

04-06-10   Atmasphere, it's exactly here where we diverge. ime, speaker ...   Unsound

04-06-10   Mapman, pubul57, it would seem to me that speakers with a be ...   Unsound

04-08-10   Here are some speakers that are not well driven by transisto ...   Atmasphere

04-08-10   Atmasphere, interesting. does wilson then state that the w ...   Mapman

04-08-10   Interesting conversations. the original conversations chang ...   Minorl

04-08-10   Atmasphere, i suspect that some like; jim strickand of acous ...   Unsound

04-09-10   Unsound, if they disagree, its only because they have not be ...   Atmasphere

04-09-10   atmasphere, i do believe your argument has merit. it's just ...   Unsound

04-09-10   Unsound, you are right, a lot of esl designers do work with ...   Atmasphere

04-10-10   Atmasphere wrote: "what tubes bring to the table is th ...   Audiokinesis

04-10-10   Atamasphere, again i think your argument is sound, but, once ...   Unsound

04-10-10   Duke, perhaps a bit off topic, but in a previous thread atma ...   Unsound

04-10-10   Unsound, amplifier/speaker synergy can definitely be used to ...   Audiokinesis

04-10-10   Duke, ralph, unsound, thank you for the dialogue - very inte ...   Pubul57

04-10-10   Duke, thanks, that all appears to make sense to me. i do hav ...   Unsound

04-10-10   Unsound; i think you are referring to the ge study in the 60 ...   Koegz

04-10-10   Koegs, actually i was referring to more recent post by atmas ...   Unsound

04-10-10   Speaking of damping, don't drivers in speakers have their ow ...   Pubul57

04-10-10   critically damped means a q of 0.707. it is a function of t ...   Shadorne

04-10-10   Shadorne, well done. the link atamasphere provided is reall ...   Unsound

04-11-10   Koegz, i read that paper some years back, but i have not see ...   Atmasphere

04-11-10   I do not.   Koegz

04-11-10   thanks - yes it was very interesting and useful. please bea ...   Shadorne


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