Advice Admiral 12X12 20Z1 low contrast w/ lines

[Phil Nelson]

Originally Posted by rca21d645

I finally figured it out, one of the 6AL5 tubes wasn't making a good connection in its socket, and after moving it around a bit the audio comes in just fine.

That is why cleaning all tube pins and sockets is one of the FIRST things that I do in any restoration.

Regards,

Phil Nelson
Phil's Old Radios
https://antiqueradio.org/index.html