Re: What's a transient?
- From: "Iain Churches" <taelNOSPAM@xxxxxxxxxxx>
- Date: Wed, 26 Apr 2006 10:03:20 +0300
"west" <westley@xxxxxxxxxxxxxxx> wrote in message
news:CeC3g.1050$9o4.890@xxxxxxxxxxxxxxxxxxxxxxxxxx
Hi West. Interesting point you make about large amounts of psu capacitance
"Ian Iveson" <IanIveson.home@xxxxxxxxxxxxxxxx> wrote in message
news:Q023g.13643$xt.6743@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
I read quite often here about things people call "transients".
What are they, please? What have they got to do with valves?
Thanks,
Ian
I believe that Ian knows what a voltage transient is. What he's probably
alluding to is transient response. That is the speed of the initial attack
of a sound, if you will. In one of my home brew amps, I noticed that the
transient response sounded diminished. I learned a valuable lesson from
this
problem because it turned out to be too much HT filtering. Changing to a
smaller filter cap solved the problem. "Speed" was restored. I verified
this
with the scope but Peter Frampton's "Frampton" lp proved it to my ears.
His
solo guitar rendition in "Show Me the Way" makes great demand on an amp's
transient response. All this is, of course, is my opinion. I'm not sure of
all the correct terminology, but I know when those strings are humming.
BTW:
Perhaps someone can explain how to determine the "sweet spot" in filtering
values. You can have too much as I learned.
Cordially,
west
"slowing" an amp. How does this manifest itself?
Regards to all
Iain
.
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