What is a parametric preamp (was "Microphones")

["Rainer Thelonius Balthasar Straschill" <rs@moinlabs.de>]

Bob,

> -----Original Message-----
> From: astroblue [mailto:astro@astroblue.com]
> Sent: Montag, 24. Februar 2003 18:19
> To: Loopers-Delight@loopers-delight.com
> Subject: Re: microphones ( was "electric percussion instruments")

> I use a PickUpTheWorld film pickup along with akg mic in my
> acoustic guitar.
> I didn't get good results when I originally installed it, but
> recently got
> hip to using a an appropriate preamp. I got an old Pendulum HZ-10SE
> parametric preamp and and now I get excellent results from
> the film pickup.

What, please, is a "parametric preamp" ? I am familiar with things called
"parametric amplifiers" from my courses in HF electronics, but I do not
understand how you would use one of these for your microphones. (A
parametric amplifier is a weird device which you can use, among other
things, to take a baseband signal and mix it with a 1 GHz (or something)
carrier wave to get a means of transferring your baseband signal in the
microwave range. Every radio, mobile phone, TV or whatever has (at least)
one.)

Thanks,

        Rainer

Rainer Straschill
Moinlabs GFX and Soundworks - www.moinlabs.de
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