[Elecraft] K3: Heil PR20 Microphone

[n2qt at verizon.net]

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Rick Prather <k6limaecho at gmail.com> wrote:

>Howard,
>
>I am using a PR20 and am able to run my mic gain at about 20.  
>
>I use it on the FP set on H and the onboard preamp turned on  ( press 7 )
>
>BTW, I have tried several mics and use the Yamaha CM500 for DX'ing but for rag chewing the PR20 consistently generates the best reports.
>
>Rick
>K6LE
>
>On 9/13/2011, at 7:03 , Howard Ashcraft wrote:
>
>> I purchased a Heil PR20 microphone after comparing sound quality with
>> several other options.  To my ear, it had a nice combination of clarity and
>> fullness.  However, I am getting relatively low output from the mic and
>> consequently low drive to the K3/100.  With the microphone configuration on
>> "hi" and with gain advanced fully (60), I have to speak fairly loudly to
>> drive the K3 to 60 watts measured on an LP100 wattmeter.  Power output on CW
>> is the full 100w plus a little.  I could design a small pre-amp stage to
>> boost the gain, but am wondering if I am overlooking something (or is it
>> common to use a  pre-amp for this type of mic?)  Howard W1WF
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