Re: [Sursound] Core Sound TetraMic

2013-11-03 Thread Jörn Nettingsmeier

On 11/02/2013 08:51 PM, Michael Chapman wrote:


PS The wonders of recording with fifty metres of CAT-5 lead have to be
experienced !!!


absolutely. we just used an eigenmike (2nd version, with the handle) off 
of a 75m cat6 lead, and it was very convenient. i flew it upside-down on 
the neutrik ethercon, with a thin safety line attached to both cable and 
mic body just in case. worked like a charm, now that mh acoustics 
finally got their act together and fixed the cable driver (the first 
eigenmike was horrible in that respect)...


now if somebody made an analog tetramic-to-CAT5 interface like the 
insta-snake, small box about the size of the handle of an sm58, one end 
with 6pin mini-xlr and maybe a rubber gasket to hold the tetramic, four 
balancing transformers/ppas to match the twisted pair, and a nice 
ethercon at the end, i would order it right now. and with the ethercon, 
the shield could be properly wired to the connector sleeve, which i'd 
find more robust than the instasnake magic...


i'm using a 4-core with the tetra right now, but i'm still depending on 
the flimsy split and the four ugly ppas (well, each of them looks good, 
but certainly not a bunch of four), all in plain sight... not the most 
relaxing setup for a recording where you usually can't get to the 
microphone easily.


--
Jörn Nettingsmeier
Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487

Meister für Veranstaltungstechnik (Bühne/Studio)
Tonmeister VDT

http://stackingdwarves.net

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Re: [Sursound] Core Sound TetraMic

2013-11-03 Thread Michael Chapman
> On 11/02/2013 08:51 PM, Michael Chapman wrote:
>
>> PS The wonders of recording with fifty metres of CAT-5 lead have to be
>> experienced !!!
>
> absolutely. we just used an eigenmike (2nd version, with the handle) off
> of a 75m cat6 lead, and it was very convenient. i flew it upside-down on
> the neutrik ethercon, with a thin safety line attached to both cable and
> mic body just in case. worked like a charm, now that mh acoustics
> finally got their act together and fixed the cable driver (the first
> eigenmike was horrible in that respect)...
>
> now if somebody made an analog tetramic-to-CAT5 interface like the
> insta-snake, small box about the size of the handle of an sm58, one end
> with 6pin mini-xlr and maybe a rubber gasket to hold the tetramic, four
> balancing transformers/ppas to match the twisted pair, and a nice
> ethercon at the end, i would order it right now. and with the ethercon,
> the shield could be properly wired to the connector sleeve, which i'd
> find more robust than the instasnake magic...

> J�rn Nettingsmeier

Mmmm   I tried 'nudging' Len years back: Mainly laziness, but also a
moral feeling that it is his product and he should have first bite at
making the accessories.
Then i ordered some bits off him to start making one, and (IIRC) he wished
me well and even suggested i should think of commercialising it if it
worked   . . .  (So all credit for his positive and open-minded response.)

I had a young student (well younger than me) and we had this scheduled,
but more interesting projects intervened. (I lack 3-D vision for close
objects, which makes fiddling with micro-connections 'challenging';-)>

Anyway to the point:

The PP units invert the signal.
Can this be avoided (not against inversion, but see next) ?
The whole project becomes much easier (naìvely) if one has only one 48V
to 5V converter.
Is that a realistic possibility?  You've obviously considered this!

Still have this as an ambition  so any other users' comments would be
appreciated.

Michael

With one converter i thought the whole thing might go in a 'box' like the
Neutrik Cat-5 to Cat-5 female/female connector ...







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Re: [Sursound] Core Sound TetraMic

2013-11-03 Thread Paul Hodges

--On 03 November 2013 09:06 + Michael Chapman  wrote:


The PP units invert the signal.


My understanding is that the early ones did, but the later ones are 
different and do not.


Paul

--
Paul Hodges


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Re: [Sursound] Core Sound TetraMic

2013-11-03 Thread Michael Chapman
A CAT-5 socket (in an XLR housing) on umashankar's Zoom is an interesting
possibility ...

Michael


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Re: [Sursound] Core Sound TetraMic

2013-11-03 Thread Michael Chapman
> --On 03 November 2013 09:06 + Michael Chapman 
> wrote:
>
>> The PP units invert the signal.
>
> My understanding is that the early ones did, but the later ones are
> different and do not.

> Paul Hodges

Does that mean you can get away with only one 

(With CAT-5 there is only one 48V wire to the mic stand ... and with a
(IIRC) six pin plug to the TetraMic there can only be one 5V wire into the
mic.? ... naìve... ? )

Michael


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Re: [Sursound] Core Sound TetraMic

2013-11-03 Thread Dave Malham
Nope - at least on earlier units one ppl wouldn't really provide enough
current and in any case you need all four to provide unbalanced to balanced
conversions.

   Dave


On 3 November 2013 13:08, Michael Chapman  wrote:

> > --On 03 November 2013 09:06 + Michael Chapman 
> > wrote:
> >
> >> The PP units invert the signal.
> >
> > My understanding is that the early ones did, but the later ones are
> > different and do not.
>
> > Paul Hodges
>
> Does that mean you can get away with only one 
>
> (With CAT-5 there is only one 48V wire to the mic stand ... and with a
> (IIRC) six pin plug to the TetraMic there can only be one 5V wire into the
> mic.? ... naìve... ? )
>
> Michael
>
>
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-- 

As of 1st October 2012, I have retired from the University.

These are my own views and may or may not be shared by the University

Dave Malham
Honorary Fellow, Department of Music
The University of York
York YO10 5DD
UK

'Ambisonics - Component Imaging for Audio'
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Re: [Sursound] Core Sound Tetramic

2013-11-03 Thread Matthew Palmer
I'm hoping for a demo model quite soon, at which point I'll be able to do
comparisons.

>> I think a lot of us would appreciate a comprehensive comparison between
the TetraMic & the Brahma.


On Sun, Nov 3, 2013 at 12:08 AM, len moskowitz
wrote:

> Laurent,
>
> You can find many user comments about TetraMic on our User Comments web
> page:
>
>  http://core-sound.com/TetraMic/11.php
>
>
> Len Moskowitz (mosko...@core-sound.com)
> Core Sound LLC
> www.core-sound.com
> Home of TetraMic
>
>
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Re: [Sursound] Core Sound Tetramic

2013-11-03 Thread Matthew Palmer
umashankar, if the kickstarter happens to not reach its goal (though it's
boding well now), can the people still buy mics at that price? also i just
read your comparisons on the kickstarter page, thats what i was looking
for, thank you


On Sun, Nov 3, 2013 at 2:05 PM, Matthew Palmer wrote:

> I'm hoping for a demo model quite soon, at which point I'll be able to do
> comparisons.
>
> >> I think a lot of us would appreciate a comprehensive comparison between
> the TetraMic & the Brahma.
>
>
> On Sun, Nov 3, 2013 at 12:08 AM, len moskowitz  > wrote:
>
>> Laurent,
>>
>> You can find many user comments about TetraMic on our User Comments web
>> page:
>>
>>  http://core-sound.com/TetraMic/11.php
>>
>>
>> Len Moskowitz (mosko...@core-sound.com)
>> Core Sound LLC
>> www.core-sound.com
>> Home of TetraMic
>>
>>
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>>
>
>
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Re: [Sursound] Core Sound Tetramic

2013-11-03 Thread umashankar manthravadi
dear mathew
 
the kickstarter campaign is worryingly sluggish, but yes, we will not increase 
the price. it may take us longer to make and calibrate. everytime I build a 
mic, I turn my living room into a test chamber. the kickstarter campaign will 
provide for that.
 
I cant post photographs here, but I will put up my calibration system photos 
somewhere and provide a link
 
umashankar
 
> Date: Sun, 3 Nov 2013 14:52:15 -0500
> From: palme...@mymail.vcu.edu
> To: sursound@music.vt.edu
> Subject: Re: [Sursound] Core Sound Tetramic
> 
> umashankar, if the kickstarter happens to not reach its goal (though it's
> boding well now), can the people still buy mics at that price? also i just
> read your comparisons on the kickstarter page, thats what i was looking
> for, thank you
> 
> 
> On Sun, Nov 3, 2013 at 2:05 PM, Matthew Palmer wrote:
> 
> > I'm hoping for a demo model quite soon, at which point I'll be able to do
> > comparisons.
> >
> > >> I think a lot of us would appreciate a comprehensive comparison between
> > the TetraMic & the Brahma.
> >
> >
> > On Sun, Nov 3, 2013 at 12:08 AM, len moskowitz  > > wrote:
> >
> >> Laurent,
> >>
> >> You can find many user comments about TetraMic on our User Comments web
> >> page:
> >>
> >>  http://core-sound.com/TetraMic/11.php
> >>
> >>
> >> Len Moskowitz (mosko...@core-sound.com)
> >> Core Sound LLC
> >> www.core-sound.com
> >> Home of TetraMic
> >>
> >>
> >> ___
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> >>
> >
> >
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Re: [Sursound] Core Sound TetraMic

2013-11-03 Thread Len Moskowitz

Jörn wrote:


now if somebody made an analog tetramic-to-CAT5 interface like the
insta-snake, small box about the size of the handle of an sm58, one end
with 6pin mini-xlr and maybe a rubber gasket to hold the tetramic, four
balancing transformers/ppas to match the twisted pair, and a nice
ethercon at the end, i would order it right now. and with the ethercon,
the shield could be properly wired to the connector sleeve, which i'd
find more robust than the instasnake magic...


There's something like that coming, but I can't give details yet. It's 
enough to say that it will address the connector concerns.


And some other interesting developments are coming too.


Michael Chapman wrote:


The PP units invert the signal.
Can this be avoided (not against inversion, but see next) ?


The original PPA inverted. The current PPA does not.


Len Moskowitz (mosko...@core-sound.com)
Core Sound LLC
www.core-sound.com
Home of TetraMic

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