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Re: Warning: Bad MD mic inputs

Subject: Re: Warning: Bad MD mic inputs
From: Klas Strandberg <>
Date: Mon, 23 Aug 2004 18:56:08 +0200
Good point, as it might be that all manufacturers are going to use the same=

chip, with the same PIP voltage regulation circuit.
I will open a Sharp to see if there is a resistor and a capacitor at the
input, or if it is on the chip. I'm afraid it is.


  At 18:17 2004-08-23, you wrote:
>Valuable info Klas, As you say, might not be enough voltage to run
>many mics including the Shure WM-183 mods for the "hot" output Dan
>and  Rudy are getting. My Sharp MT-90 outputs 3.5 volts, no load.
>Hope the new HiMD's are not low voltage,..Rob D.
>At 5:39 PM +0200 8/23/04, Klas Strandberg wrote:
> >To my surprise, the three models I have of Sharp MD's from last year, gi=
> >only 0,4 - 0,45 v plug in power voltage. It's 1,2 - 1,4 without load, bu=
> >drops as soon as you connect the mic to it.
> >Such a low voltage is not enough.
> >I have contacted Sharp support, but I don't hope for any good explanatio=
> >
> >So: Dont buy any of the "last years" Sharp MD's. The models I have teste=
> >are: (European) MT190H, MT290H and DR580H.
> >
> >It's a pity, cause the function and the logic of these MD's is (are??)
> >really good.
> >
> >Klas.
> >
>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

Telinga Microphones, Botarbo,
S-748 96 Tobo, Sweden.
Phone & fax int + 295 310 01


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