Power master 100+

[Robalo]

Can you help if this resistor o with the schematic thank you in advance

 

[DoctorAudio]

Somewhere around here I have one of these that's a parts box. I've seen it kicking around a few times over the past 10 years but I dug around for almost an hour just now and couldn't find it. That resistor is either a 47 or a 470 probably. I wish I could have found mine as I know the relay (key/receive amp) area is intact.

 

[Robalo]

Thank you DoctorAudio, I decided to go for the 470. Images below.With 3 watts DK input does about 125 DK on AM on SSB do not know I hope over 200 pep

 

[nomadradio]

That resistor is a casualty of excessive drive wattage.

A 1980 amplifier wasn't meant for dual-final radios.

73