You cannot pass any of the high end frequencies of the PR40. If your
transmission BW is 2.5 kHZ, and the low frequency roll off is 200 Hz, the
high end frequency to be transmitted is 2700 Hz. Everything from 3000 Hz to
16000 Hz is left in the mic cable. Still it’s a nice microphone.... if you
shape it properly.
73 ES DX,
Gary -- AB9M
-----Original Message-----
From: Robert Costa
Sent: Friday, November 01, 2013 11:32 AM
To: Patrick Greenlee ; flexradio@flex-radio.biz
Subject: Re: [Flexradio] Microphone Recommendation?
I personally have a PR40 for my Flex5K. I was instructed to use the TX EQ
and compander to tailor the audio on the 5K. I have been told that my audio
was distorted with the TX EQ and compander. The audio on the PR40 seems very
pleasant without adding any external tailoring, as I have been told by
friends in my local roundtable weekly ragchew.
I purchased the PR40 to help reduce my RF ingress issues with my 5K. It did
help, but I have been also told that the audio in my 5K is the same with my
expensive PR40 than a mainstream Yaesu microphone that I was using before
purchasing the PR40.
Yes, the Heil PR40 looks nice, it has great specifications, but I would
challenge people to put on different microphones, (if you have access to
them) and compare the audio between the microphones. You might just save
yourself a bunch of money, as a more inexpensive microphone might just serve
your purpose.
My two cents from my experience.
73
Robert
KB6QXM
On Friday, November 1, 2013 8:13 AM, Patrick Greenlee
<patric...@windstream.net> wrote:
Mike, I played the sounds on the Heil site url you supplied. I sort of agree
with your Swiss Army knife comment but not in the way I think you intended
it. I agree that different "colorations" (eq's) are needed for different
purposes. This can be approached by selecting from a huge array of
available mikes (your Swiss Army knife approach, I think) with or without
different down stream eq's. My claim is that once you have electronically
captured an accurate representation of the op's voice this representation
can be electronically manipulated to get the result of any existing mike or
mike to come along in the future. This is my use of Swiss Army knife, eq
(and or other electronic manipulation) to get whatever characteristic(s)
desired. The required mike is one that can accurately capture a
representation of the op's voice. Once that is achieved any effect possible
to achieve by means of other microphones can be duplicated with electronic
processing of the accurate signal from the "Hi-Fi" mike.
Thanks again for the URL to the recorded sounds. That audio clip tends to
make my case for me, a good mike, many possible results, a Swiss Army knife
of different results available through processing.
The Heil PR 40 may not be the highest of Hi-Fi mikes but it is sufficient
for my purposes and apparently for a bunch of Flexers. Maybe not perfect,
but good enough.
I hope to catch your melodious tones on the HF bands.
73
Patrick AF5CK
----Original Message-----
From: Michael Walker
Sent: Thursday, October 31, 2013 3:51 PM
To: <flexradio@flex-radio.biz>
Subject: Re: [Flexradio] Microphone Recommendation?
I'm glad you enjoyed it. Personally, it is about getting the message
through.
I just ran CQWW and I know that if I had not used the HC5 element (really
sharp and annoying) there are many stations that would have not copied me.
I also can honestly say that those that were using a DX like shaping, I
had
problems copying.
There is no 1 perfect element (just like a swiss army knife). You need
different 'shapes' for different tasks.
Listen to this about the HC6. Pay attention to how each of his shapes
sound. http://www.heilsound.com/amateur/press/hc6.mp3
I recorded all of my 1600 QSO's from CQWW. I will try to find some great
DX audio and some really bad DX audio. It won't be until next week
though.
When I do, I will share them.
Mike va3mw
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