[TenTec] Popping Noise from Orion and Centurion

[Toby Pennington]

John, That would be the logical thing to do, but I have loaned my only other
radio out and the fellow I loaned it to is out of town at present.  When he
gets back I will try that.  There is no popping when using the Orion by
itself however, and the Orion seems to be clean when keying and unkeying.
Toby   W4CAK


----- Original Message ----- 
From: "John L Merrill" <jmerrill1 at adelphia.net>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Saturday, April 09, 2005 5:40 PM
Subject: Re: [TenTec] Popping Noise from Orion and Centurion


> Can you try the amp with a different radio?
>
> John N1JM
>
> -----Original Message-----
> From: tentec-bounces at contesting.com
> [mailto:tentec-bounces at contesting.com]On Behalf Of Toby Pennington
> Sent: Saturday, April 09, 2005 5:33 PM
> To: Ten Tec List
> Subject: [TenTec] Popping Noise from Orion and Centurion
>
>
> I am experiencing an annoying popping noise in my speaker when keying and
> unkeying the orion with the Centurion amp in the line.  This does not
occur
> with the Orion standalone, but only occurs when the amp is being keyed up
> and unkeyed.  The popping can be heard using the keying loop or just using
> the PTT line to the amp.  This is someting new which is occuring and I am
> wondering if anyone else has experienced this problem and how you fixed
it.
>
> I have checked all keying cables and tried three different sets of cables
> with the same results.  I can also hear the popping when running the amp
> into a dummy load but the noise is greatly reduced.  Turning on the preamp
> on the Orion brings the noise back up when using the dummy load.
>
> There appears to bo no other sign of feedback other than the popping
noise,
> so don't think it is a timing issue.
>
> Any suggestions would be appreciated!          Toby  W4CAK
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