Hello,
Just acquired an L4B plus L4PS. First question: PS has a sn of 142X. This sn
does not seem to match up to the ones on wb4hfn's site. Any history? The last
Drake rig I ever saw with an X was a TR-6 prototype that I used back in the
70's.
Second question: The caps in the power supply are blue sprague atoms with both
leads on top of the cap and not axial. There also seems to be a skinny board
at the base of these caps. I have'nt taken it apart to better understand the
connections or modifications as yet. I'm assuming this is not original, since
I understand Drake used axial capacitors. Am I correct here? And did Drake
ever do any of the mod's outlined above? Looks like a pro job from looking at
the tops of the capacitors and the little long skinny boards at the bottom?
Before I picked this up, I had it in my head I'd need to get a upgrade board
from the Heathkit Shop, but now I'm not sure that will be necessary, at least
in the short run. Oh, I have'nt fired it up yet, so I cannot comment on the
smell or anything else. I'm planning on bringing it up slowly on a variac. I
was told it had been in storage for around 8 years.
Thanks,
David
Wd9cmd
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