blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px 
#715FFA solid !important; padding-left:1ex !important; background-color:white 
!important; } I use the Pro 7 with my KX3 at home.  I ordered it with the iC 
element as I remember somewhere reading that it was necessary for use with the 
KX3.  No problems whatsoever.  A very comfortable headset.  The YL likes it too 
as she gets peace and quiet! 8-)
73,DavidAL5M


Sent from Yahoo Mail for iPad


On Sunday, April 30, 2017, 06:28, kevino z <[email protected]> wrote:

After speaking to Bob Heil, he recommends the Pro 7 iC. Is it possible that all 
of the bad experiences described here were with the PRO 7 with the hC7 Dynamic 
element ? Just thinking folks had the wrong mic element...

-Kevin (KK4YEL)


No trees were killed in the sending of this message. However, a large number of 
electrons were terribly inconvenienced !

> On Apr 28, 2017, at 09:27, Don Wilhelm <[email protected]> wrote:
> 
> David,
> 
> The Heil HC-7 mic element has a very low output level.  Several others have 
> had problems with it.  To make matters worse, Heil recommends that the K3 
> microphone gain range should be set to Low, when in fact it needs to be set 
> to the High Gain range.
> 
> 73,
> Don W3FPR
> 
>> On 4/28/2017 8:30 AM, David Wall-NA4AE wrote:
>>  I recently tried to use a Heil Pro 7 (HC-7) element with my KX3.  Also, 
>>with the Heil adapter cable AD-1-KX3.  Re adjusted the Mic Bias (off) and Mic 
>>Btn (off).  Had very poor results.  Could not get the "Echo" out and a basic 
>>noise.  Tested extensively using another KX3 and a K3 as the test receiver.  
>>We truly went thru a series of test changing CMP, and EQ. Yes we even cut the 
>>MON off.  Could not get the problems corrected with settings.  Sent it back 
>>to Heil and they tested it and said it was OK.  Being the good company that 
>>they are, they sent me a new system.  It did the same thing. So, I gave up 
>>and took it back to HRO.  They refunded me with no problem.  I then ordered a 
>>Heil "ProSet-ic" set up for the KX3 from Elecraft. So far it seems to work 
>>fine.  I don't know what the problem is that the Pro-7 (HC-7) wouldn't work 
>>with the KX3, but there is something that is not compatible with the HC-7 
>>element.  I would have liked to have had a Pro-7 rather than the ProSet, b
> ut
>>  I couldn't get to work.  The Heil AD-1-KX3 cable is what you need to adapt 
>>the headset to the radio with a PL-59 (1/4")connection for a PTT switch 
>>(foot,hand etc). also has the TRR plug for the Mic connection.
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