[1000mp] ARB-704 and Yaesu Mark V

[Bob Martin]

Why you need the ARB-704

 

Amplifiers can damage radios if the amplifier has too much relay control
voltage, voltage spikes, or excessive current on the relay control line.
Such damage often appears as "stuck" or "sticky" transmit relays in exciters
or shorted transistors on transmit control lines. In most cases where the
radio is damaged, the system transmits normally but the external amplifier
stays locked in a "transmit" mode. This prevents receive signals from coming
through the amplifier with normal levels whenever the amplifier is in the
"ON" or "OPERATE" position.

 

Above is the reason I have placed the ARB-704 between my Yaesu Mark V and my
AL-80B.  However I was told that the Yaesu Mark V will not allow this type
of damage to occur and my having the buffer between the rig and the amp is
overkill.  What is the real true?

 

 

 

 


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