[TenTec] Reliable Voice/CW Keyer for Omni VI+

[w6hv@surfbest.net]

The mod was to change two resistors on the TX Audio Board (81579): R-54 to
22K and R-55 to 470K.
73,
Troy, W6HV
----- Original Message -----
From: "Carter Grabarczyk" <k8vt@ameritech.net>
To: "Frank W8HO" <W8HO@qsl.net>
Cc: "CQ-Contest" <cq-contest@contesting.com>; "TenTec"
<tentec@contesting.com>
Sent: Monday, December 24, 2001 2:53 PM
Subject: Re: [TenTec] Reliable Voice/CW Keyer for Omni VI+


>
>
> Frank W8HO wrote:
> >
> > I love my pair of Omni Rigs but they do have a "quirk" that makes
> > contesting life a bit more difficult than it needs to be.  As anyone who
> > uses an Omni knows--the quirk is their 4 pin Mic with electret voltage
> > supplied from the rig.
>
> Four pin and electret have nothing to do with it...
>
> > This causes great difficulty for those of us using
> > the Heil headsets (or any other Heil Microphone).  The Heil cartridges
> > simply won't drive the Omni unless one uses an amplifier like the W2IHY
> > amp/equalizer.
>
> Also not true. The Heil cartridge has a bit lower output...I had to put
> the mike gain up quite high and did not have quite enough vox gain to
> get reliable operation.
>
> The fix?  A call to TT. There were two resistors on one of the Omni VI
> circuit boards to be changed. I changed them and my Heil headset and vox
> now works FB! This was quite a few years ago (pre-surface mount Omni)
> and I don't remember the details, but I'm sure a call to TT will give
> you all the info.
>
>
> Merry Christmas and HNY to all!
>
> 73/Carter/K8VT
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