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Re: extension cables

Subject: Re: extension cables
From: "macmang4125" macmang4125
Date: Fri Jan 22, 2010 11:50 pm ((PST))
You are right Dan I was thinking about the XLR mic booster, the PIP one does 
not pass the power through.

If there was a battery box powering the mic then a FEL 3.5 series would work, 
and would help boost the signal.

Phil

--- In  Dan Dugan <> wrote:
>
> > Another thing to bear in mind is any cable acts like a capacitor which for, 
> > shall we say 'normal' runs is not going to be a problem. But as the length 
> > gets longer it can start to attenuate frequencies acting like a low pass 
> > filter. This is dependant on the input impedance of the unit your using but 
> > try and go for low capacitance cables if there is a choice.
> 
> Capacitance is indeed the factor--but the rolloff will more likely be 
> determined by the source impedance.
> 
> > So if you use good quality cable and if there is very little electrical 
> > equipment causing interference then 100 feet (+) should be OK, you may even 
> > be able to go longer.
> > 
> > The other thing you could do is use something like a FEL 3.5 series mic amp 
> > and put that at the far end with the Telinga and then run the cable back to 
> > the LS-10. You would then have a +20dB signal now running along the cable 
> > which will be less prone to problems.
> 
> But the FEL preamp uses up the PIP and doesn't pass it to the mic. I wonder 
> what its actual output impedance is.
> 
> -Dan Dugan
>











"While a picture is worth a thousand words, a 
sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause


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