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RE: respectful, "topic" question

Subject: RE: respectful, "topic" question
From: Debbi B <>
Date: Sat, 03 Sep 2005 14:14:10 -0700
I'd be interested.

At 12:33 PM 9/3/2005, you wrote:
>Thanks for the feedback, Martyn. I could use some guidance. Are
>people interested in which mics might be able to take advantage of
>the HiMD mic pre?  We can take this string off list too.
>
>There are so few places in our specialized worlds where theory and
>practice converge. Some people like to also know the "why" and not
>just, "what to buy."  But then, I don't imagine a "mic buyers list"
>would be very popular. Rob D.
>
>   = = = =
>
>At 11:37 AM -0700 9/3/05, Martyn Stewart wrote:
> >I have had a few complaints from people that this list is becoming the mic
> >builders list, a few have unsubscribed until it gets back to what was
> >intended to be "Nature Recording"
> >
> >Please keep ON subject....
> >
> >Martyn
> >
> >****************************************
> >Martyn Stewart
> >Bird and Animal Sounds Digitally Recorded at:
> >http://www.naturesound.org
> >Redmond. Washington. USA
> >N47.65543   W121.98428
> >
> >e-mail: 
> >Tel:    425-898-0462
> >
> >Make every Garden a wildlife Habitat!
> >*****************************************
> >
> >
> >-----Original Message-----
> >From: 
> > On Behalf Of Rob Danielson
> >Sent: Saturday, September 03, 2005 11:03 AM
> >To: 
> >Subject: Re: [Nature Recordists] Mic attenuation on purpose (was Min mV/Pa 4
> >MD..
> >
> >Hi Mike-- Thanks for your thoughts. Methinks this is getting too
> >technical for the list. Let me know, off list, if its okay for me to
> >follow-up, off list. Rob D. <>
> >
> >   = = =
> >
> >At 12:33 PM -0500 9/3/05, Mike Feldman wrote:
> >>Rob Danielson wrote:
> >>
> >>>... I'm looking into the
> >>>   nature of small circuit built into the unbalanced, 3.5mm cable that
> >>>   Rode provides with the NT-4. I've by-passed the circuit in my NT-4
> >>>   cable and mic output jumped up 12dB-- the same dB drop in output (and
> >>>   increase in noise)...
> >>>   I'm waiting to recommend the simple cable modification until I can
> >>>   figure out if there are bad consequences I've not grasped. Here's
> >>>   what I think** the circuit is should anyone have ideas:
> >>>   http://www.uwm.edu/~type/Mic%20Preamps/NT-4ConnectorCircuit&ModSm.jpg
> >>
> >>If I'm reading your drawing correctly, you're shorting the series
> >>resistor of the pad, but not opening the parallel resistor.  So there
> >>would still be some attenuation dependent on the input impedance of
> >>the sink.
> >>
> >>>   **umashankar mantravadi, who is on this list, has commented on the
> >>>   micbuilders list that my circuit drawing looks more like line to mic
> >>>   pad, which, I assume, would have much greater attentuation than
> >>>   -12dB. Maybe the four tiny components on the pcb are not simple 10K
> >>>   resistors, as labeled and measured? I dunno. I think I have the basic
> >>>   circuit structure right though. Rob D.
> >>
> >>Sure looks like an L-pad.  You mentioned earlier they're labeled EDI
> >>on the pcb ... "Electrostatic Discharge" current limiter perhaps?
> >
> >--
> >
> >
> >
> >"Microphones are not ears,
> >Loudspeakers are not birds,
> >A listening room is not nature."
> >Klas Strandberg
> >Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >"Microphones are not ears,
> >Loudspeakers are not birds,
> >A listening room is not nature."
> >Klas Strandberg
> >Yahoo! Groups Links
> >
> >
> >
> >
>
>
>--
>Rob Danielson
>Film Department
>University of Wisconsin-Milwaukee
>
>
>
>"Microphones are not ears,
>Loudspeakers are not birds,
>A listening room is not nature."
>Klas Strandberg
>Yahoo! Groups Links
>
>
>
>



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