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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