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Wanted: BC-348R info
Hi, Military Vacuumlanders,
I'm more a denizen of RAR+P and RAT but I could use some help with a BC-348-R "boatanchor". I acquired this eons ago but am only now getting around to refurbushing it. It's totally original with the dynamotor and it actually works but I'm not sure how well (I can get some stations on a short wire antenna but there's lots of harsh hum on the "long wave" band). BTW, I brewed up a 28 VDC bench supply from which to run it. A long time ago I downloaded a few manuals in a hurry but did not do a thorough check on the version - so I've got documentation for versions J, N and Q, but not R. It seems that there are several different schematics and tube line-ups for BC-348's. My schematic is for a BC-348Q and it's not at all the same as for the "R" - different tubes for a start ! By my forensics, the BC-348R has the following tube line-up: Military tube Civilian equiv. Function VT-86 6K7 1st RF VT 86 6K7 2nd RF VT-91 6J7 Mixer VT-65 6C5 Local Osc VT-86 6K7 1st IF VT-70 6F7 2nd IF & BFO osc VT-93 6B8 3rd IF & Detector VT-152 6K6 Audio O/P (I hope this "table" holds together!) Can anyone point me towards a schematic for the "R"? All replies gratefully received Thanks & cheers, Roger "Reclaim, repair, refurbish, rebuild, reuse, recycle" Above address is a spam trap... Any replies to: analogdino "at" rogers "dot" com |
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