I like parabolics for what they are and am not a person that needs to
be sold on them. There still should be a eq curve recommended as the
25 db on the up freqs are killers for some.
There just are too many people putting out cd's with a dish that can
not hear high to eq those highs.
Rich
--- In Klas Strandberg
<> wrote:
>
> No, every parabol rolls off after 10-12 kHz unless you don't want
it to,
> and make acoustic or electronic EQ.
> Electronic EQ will add self noise and acoustic EQ of the microphone
itself
> is extremely difficult to do in a good way.
>
> Speaking about parabols and "sound quality" is difficult.
>
> Some years ago, we had a gathering at Telinga with four of the best
sound
> "gurus" in Sweden. After recording, looking at theory and
listening, - we
> concluded that a parabol "sounds too good" to perform only what the
graphs
> describe.
> I usually rest my case with "a parabol is a parabol."
>
> What I can see and hear, Telinga owners usually produce a LOT more
useful
> recordings than people using other ways to record. Research has
been made,
> which should not have been made without the Telinga. This means,
among
> other things, that the 5 new bird species of the world which has
been
> discovered during recent years, have been discovered using
Telinga's.
> It means that all the recordings I have of "odd" bird-song, (some
of them
> the only recordings in the world (?)) - are made with a Telinga and
would
> not have been made otherwise..
>
> It means that Mark Constantine and the gang could do what is now
mentioned
> here on the list as:
> Dave Gosney reviewed "The book is a terrific read and deserves to
be bought
> by any birders who want to take their sound identification a whole
leap
> further forward. I can't remember the last time I was so impressed,
> entertained and enlightened by a birding product. Birders
everywhere should
> get this."
>
> On the other hand it means that the best Nightingale recording in
the world
> is not made with a Telinga or parabol, but by a person who has
spent half
> of his life making recordings of Nightingales only, and tested
hundreds (??
> wouldn't be surprised...) of microphones. (He was probably the
first one
> going "halfways digital", using a bus with a 12 - 220 volt
converter and a
> VHS recorder. (I'm not sure that he want's his name mentioned here.)
>
> Klas.
>
> At 01:17 2006-10-03, you wrote:
> >Thanks for the graph it is very useful, I suspect that your speaker
> >fell apart from 8,000 to 20,000 cycles. Right?
> >
> >Rich
> >
> >--- In Klas Strandberg <telinga@>
> >wrote:
> > >
> > > if you don't know.... there is a picture at
> > > http://www.telinga.com/gallery/picture_gallery4.htm
> > >
> > > Observe the difference between the omni and the cardioid.
> > > Also observe the shadowed +/-3db "average" frequency response
of the
> > > inwards facing cardioid: You can see roughly 25db (!!) between
300
> >Hz and
> > > 10 kHz.
> > >
> > > Klas.
> > >
> > > At 15:17 2006-10-02, you wrote:
> > > >--- In "John Hartog" wrote:
> > > >
> > > > > Thanks for your perspective. If it's not too much trouble,
please
> > > > > email me the Sten Wahlstrom pdf =AD whenever you get the
chance.
> > > >
> > > >I checked out this article when Mr. Knapp mentioned it some
time ago.
> > > > It is available at most large university technical libraries
for the
> > > >cost of a photocopy:
> > > >
> > > >"The Parabolic Reflector as an Acoustical Amplifier", JAES
Volume 33
> > > >Number 6 pp. 418-429; June 1985
> > > >
> > > >Highly recommended! If you aren't up to the math, you can
just ignore
> > > >most of it (the hardcore stuff is at the back anyways) and
simply
> > > >absorb the results.
> > > >
> > > > > http://home.att.net/~rsl/APPR1.htm
> > > >
> > > >This is not as comprehensive, or useful, as the Wahlstrom
paper.
> > > >
> > > >If there is a PDF file of Wahlstrom's analysis, copyright
should be
> > > >figured out and it ought to be hosted somewhere. Telinga
ought to
> > > >include it with their products as a kind of technical appendix.
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >"Microphones are not ears,
> > > >Loudspeakers are not birds,
> > > >A listening room is not nature."
> > > >Klas Strandberg
> > > >Yahoo! Groups Links
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > >
> > > Telinga Microphones, Botarbo,
> > > S-748 96 Tobo, Sweden.
> > > Phone & fax int + 295 310 01
> > > email: telinga@
> > > website: www.telinga.com
> > >
> >
> >
> >
> >
> >
> >
> >
> >"Microphones are not ears,
> >Loudspeakers are not birds,
> >A listening room is not nature."
> >Klas Strandberg
> >Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
>
> Telinga Microphones, Botarbo,
> S-748 96 Tobo, Sweden.
> Phone & fax int + 295 310 01
> email:
> website: www.telinga.com
>
>
>
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