[Amps] Modern rig amplifier keying

gudguyham at aol.com gudguyham at aol.com
Sat Jul 20 09:43:14 EDT 2019

Stan, most if not all radio manuals indicate what the amplifier keying specs are of the radio.  They vary among different radios depending on if they are transistor keying or relay keying.  As a rule most newer radios can handle 12v at some moderate current but it is always best to consult the manual for exact spec's.

-----Original Message-----
From: Stan Gammons <s_gammons at charter.net>
To: amps at contesting.com <amps at contesting.com>
Sent: Sat, Jul 20, 2019 9:32 am
Subject: [Amps] Modern rig amplifier keying

How much voltage will modern rigs tolerate on the keying circuit? I have 
an older amp that has a 12 volt relay. Will that fry the keying circuit 
of a modern rig?



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