Re: [drakelist] Drake L7 PS Question

Randy, I hope you get some MUCH more informed answers than mine, but to answer your question quickly   "NO"!!  Do not use anything other than the high voltage wire and connectors you have already on the Drake.  It is designed to handle the voltage, while smaller wire and an RCA connector wou

[drakelist] Drake L7 PS Question

Hi all,   Somehow I broke the high voltage cable that comes out of the female plug of the power supply and connects to the L7 amp. Its about 12 inches long encased in a somewhat clear tube. I have had a L75 up to now that had a self-contained power supply so this is new to me. It is inoperabl

RE: [drakelist] Progress on my R-4A.

The only switch contacts I saw was one wafer switch right in front of the PBT housing.  I did not see any obvious issue with any of the components on the assembly surrounding the switch.  I cleaned that switch and the IF switch is scratch-free and positive now, but the loss of signal in the

Re: [drakelist] Progress on my R-4A.

Hopefully, for your sake, the passband tuning unit is not in need of alignment. I doubt very much that bad caps are to blame for your troubles that is unless you can see that some or one of them has broken off a piece. However, there are switch contacts involved in the assembly so there is a possi

[drakelist] Progress on my R-4A.

I spent some more time with the R-4A last night.  I carefully sprayed DeOxit into the AF & RF gain pots, and the wafer switches; esp the IF bandwidth switch.  The rig does work better now.  Things are better now.   Unfortunately, the IF bandwidth issue is still there.  A signal that is S9 i