DBT a flawed method for evaluating Hi-Fi ?
"Nick Gorham" wrote in message
...
Iain M Churches wrote:
So you are a member of what Stewart calls the "audio lunatic fringe" ?
:-)
Having had the opportunity to listen to an SET amp, I must say I was
more than impressed.
Yes, I am one of those nutters :-). I must say though I agree with Stew in
part of what he says, There are a lot of crap commercial SET's out there,
that seem to sell to people who do want a effects box, and that nice lush
300b sound, I prefer the sound of the transmitting triodes myself. Though
I also like 2a3's, The second triode in the 6em7 is not unlike a 2a3, and
I may just use a DHT for the first stage, just for the fun of it.
This is a domain in which I have little experience, but I must say first
impressions were most favourable. I can however, see that SET is
severely limited in its use, and for someone like me, who listens to
a huge range of music, it is probably not suitable. Still, I would not
knock it, just for the sake of doing so:-)
I have head a PX4 SET driving a set of ELS63's and ok it was not loud, but
sounded rather nice, I suspect you would like the effect.
I notice you call it an "effect", which supports what Don said:-)
No I am not going to clame they don't add something to the sound, they do,
just something that I prefer, and think allows the music to be
communicated to my dull mind in a way that I find more pleasant than when
produced by SS amps.
I don't think anyone would make such a claim for SET. From my own brief
experience at low levels I was fascinated that such a simple amp could
produce such beautiful music.
Its certainly true that on the whole you either "get" SET's or don't. If
you do, then everything else seems lacking, and I guess the same is true
the other way :-).
I have noticed:-)
Its because of this amp, that I sone have that strong a feeling about cap
sound ATM, the final cap will be replaced with a interstage somewhere
along the line, and all the bipass caps are black gates. I will be
eventually be using polyprop and paper in oil in the power supply.
Someone else, in the cap testing thread, pointed out thatone might be more
likely to detect a difference between caps in an amp with a low parts count.
That's why the µ-follower stage seemed such a good idea.
The GM70 is now a 211, (I will go back to GM70 for the next one :-)), and
the first stage is not the small 6em7 triode but a 6sn7.
I think the Reznekov amp was 211. Jim asked me about the power level.
I could only say "low" What can a 211 deliver, and and what kind of THD
levels?
Waiting on new transformers (The are being wound this afternoon I have
heard today), so that will let me up the B+ to 1200 and see what it can
do.
Hmm! Keep the kids and the cat away from that one:-)
Speakers are ProAc Studio 125's, 98db/w rated, but in a small room, so
almost load enough for me for most things, increasing the B+ and maybe a
bit of A2 should make it more than loud enough.
I will be interested to try the Reznekov in my own room, if I can ever
persuade
its owner to lend it to me.
I like it anyway :-)
That's what matters:-))
Iain
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