Does the OmniVI+ want a high imp. mic??
...Dave
----- Original Message -----
From: "Bill NY9H" <ny9h@arrl.net>
To: <tentec@contesting.com>
Sent: Thursday, November 25, 2004 11:53 AM
Subject: Re: [TenTec] Question regarding Omni VI+ on SSB
> if you use the shure 444 or similar non-electret mic , just plug it
in,,,,
>
> i will work great
>
> bill
>
> At 08:44 AM 11/25/2004, you wrote:
>
> >Thanks to all you guys who responded to my query about the best mic setup
> >for the Omni 6 --- one more thing --- the Tentec mic is amplified
(because
> >it uses a battery) --- does that mean I should try and use some kind of
> >amplification ahead of the radio if I want to try a Heil element or a
D104
> >or a Shure 444? (I have all three mics). By the way, Happy Thanksgiving
to
> >All.
> >
> >Thanks,
> >Jeff (KX2P)
> >
> >
> >----- Original Message -----
> >From: "Jim Brown" <jim@audiosystemsgroup.com>
> >To: <tentec@contesting.com>
> >Sent: Wednesday, November 24, 2004 10:40 PM
> >Subject: Re: [TenTec] Question regarding Omni VI+ on SSB
> >
> >
> > > On Wed, 24 Nov 2004 18:27:11 -0500, Jeff Frank wrote:
> > >
> > > >ll you guys who report about the great audio reports you receive on
ssb
> > > >with the Omni 6 series please tell me what microphones or microphone
> > > hook
> > > >ups you are using.
> > >
> > > Ah -- you bring up a very interesting defect in the design of the Ten
Tec
> >rigs.
> > > You can't use a "flat" mic with them, you need to use one that has a
> >"hyped"
> > > high end. That's what the Heil mics do. A good mic sounds really dull
and
> > > bassy on a Ten Tec radio.
> > >
> > > I use an RE-27, which is a pretty flat mic (and a damn good one) with
> >mine.
> > > But to make it sound good, I had to stick a rather small cap in series
> >with it
> > > to drastically roll off the low end (-3 dB at roughly 2 kHz). It is
absurd
> >that it
> > > should be necessary to do that, but it is. This is a "band-aid," but
it
> >works. I
> > > even have an audio file that NY9H recorded off the air several months
ago
> > > on 20 meters from Chicago, when I was operating this rig at W6BX, a
2,000
> > > mile path. It's this mic, the cap, and the Omni V. I could email the
file
> >if
> > > anyone cares.
> > >
> > > The Shure 444 and mics like it have the hyped high end that sounds
pretty
> > > good with the Omni family of radios. I bought one for that reason.
BTW --
> > > there's no good reason to spend money on a Heil mic to get that
sound -- a
> > > used 444, $30 on EBay, will sound at least as good as a Heil. For that
> > > matter, I bought three Plantronics earsets for $5 each at a hamfest
last
> >year.
> > > They get MUCH better reports on my 746 than a Heil does on my K2. You
> > > can buy the Plantronics earsets (earphone plus mic) for $25 - $40
brand
> > > new at computer stores.
> > >
> > > Now, you say, why in the world would you use an RE-27 on a ham rig?
> > > Simple. I'm in the pro audio biz and own a lot of very good mics, but
very
> >few
> > > dynamic mics. Also, most dynamic mics have proximity effect, which
boosts
> > > the low end (makes them muddy) when you close-talk them). I didn't
have a
> > > dedicated ham mic, needed one to use with the Omni V I had just
bought,
> > > and the RE-27 came the closest to what should work well. It is a
dynamic
> >(I
> > > only have three types) it has no proximity effect because it is a
> >variable-D
> > > cardioid, and it has a lot of output. Isn't it serious overkill? If
I
> >had to buy it,
> > > yes. But if I have several laying around, no.
> > >
> > >
> > > Jim Brown K9YC
> > >
> > >
> > > _______________________________________________
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> > > TenTec@contesting.com
> > > http://lists.contesting.com/mailman/listinfo/tentec
> >
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