[Boatanchors] 1/4 KW AM rig

LARRY D GODEK telegrapher at q.com
Mon Apr 25 15:13:31 EDT 2011


Got it home yesterday and unlaoded into the garage for overhaul or.....
 
Really nice rig, 4-250 final driven with a pair of 100th mod tubes and those are driven by a pair of 6B4 types.  Rig has built in scope for monitoring the output.  uses BC-610 type coils in a box at the top of the rack for antenna loading if you use open wire.  Otherwise RF is routed out to a coax line from the PA.  So it appears.  
 
No documentation which hurts but it's in such good shape and runs from a 220 line voltage.  everything in there is well built and it doesn't appear to suffer from "under" building.  Several different timers are incorporated.  One deck is for the 6AG7-2E26 oscillator assy.  It also has a couple fo VR150 regulator tubes along with 10 xtal sockets which are switchable from the front panel.  
 
Bad part other than no documentation, both 6B4 tubes along with 3 6V6 types and the 6AG7 were flat.  Not a problem with the 6V6's but the 6AG7 and 6B4s are a different story.  I have 2A3's here but no 6B4 types.  Any out there anyplace?  Other than E--- of course.
 
Gonna get this thing fired up one of these days.  Got some old electrolytic caps under a couple of the chassis's but other than that, she's in excellent shape.  3B28's for rectifiers.
 
I'm thinking that this layout sounds familiar.  It's probably post 50's era.  Anyone recognize it?  Time to dig thru the old handbooks to see what i can find out.
 
Larry
W0OGH
 		 	   		  


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