[TenTec] Re: [CQ-Contest] Digital Voice Keyers for TenTec OMNI VI+

Frank W8HO W8HO@qsl.net
Sat, 29 Dec 2001 04:05:41 -0500


MY COMMENTS ARE IN CAPS AND A LARGE VOLUME OF TEXT HAS BEEN EXPUNGED SINCE 
IT IS AVAILABLE IN MANY PRIOR POSTS.

At 11:21 PM 12/28/2001 +0000, STEVE BARON wrote:
>In-line comments:
>
>----- Original Message -----
>From: "Frank W8HO" <W8HO@qsl.net>
>To: <TenTec@contesting.com>; <cq-contest@contesting.com>
>Cc: <ndavis@vt.edu>
>Sent: Thursday, December 27, 2001 07:04
>Subject: [CQ-Contest] Digital Voice Keyers for TenTec OMNI VI+
>
>
>
> >
> > In closing let me mention that TenTec has strongly cautioned me against
> > turning the Mic gain beyond the 12:00 position.
>
>Did they say that was true even with the Heil ?  Or just with the standard
>TT mic?---THEY STATED THAT OVERDRIVE WITH MIC CAN CAUSE DAMAGE TO 
>CIRCUITS, WHETHER ELECTRET OR DYNAMIC.  BRAND NAMES ARE NOT THE ISSUE.
>
> > They have stated that it
> > can cause damage to the audio circuits as well as distortion.
>
>Too much audio may indeed distort, but damage ?  If true, TT is no longer a
>rig to buy.-----AGAIN NOT A BRAND ISSUE.  OVERDRIVING A PREAMP (LIKE THE 
>MIC CONTROL) CAN DAMAGE ANY SUBSEQUENT AMP.  BRAND DOES NOT MATTER.
>
> > (Please note
> > both of these rigs are less than a year old, this may or may not apply to
> > older Omnis.)  Finally a caution, anytime you desire to use a dynamic
> > microphone cartridge like the Heil---you must protect it from the voltage
> > on the electret voltage pin, such as those on the TenTec Mic, and Icom
> > microphone connectors.  You can do that with a capacitor, or Heil sells a
> > TenTec cord for their mics. (This cable only deals with the voltage
>
>Any body who does not use a mic properly configured for the rig needs to go
>back to the novice class <gr>.---IT IS MY EXPERIENCE IN 30 YRS OF HAM 
>OPERATION THAT ANY CLASS OP CAN MAKE A MISTAKE, LET'S NOT THROW MUD.
>
> > protection, not the low drive difficulty.)
> >
> > Thanks again everyone, and if u have any voice keyers that are working
>with
> > an Omni VI+ please let me know.  I greatly appreciate ur thoughtful
>comments.
> >
> > 73, Frank
> > W8HO

STEVE,

I APPRECIATE UR TAKING THE TIME TO POST A RESPONSE.  PLEASE ENJOY YOUR NEW 
YEAR.