I dont know what to do! Decision made, Restoration begun
Posts: 3,148
Threads: 55
Joined: Apr 2011
City: Lexington, KY
Yeah Kirk, if you're going to delay the purchase of variac at least build a simple and inexpensive DIM BULB tester:
http://www.antiqueradio.org/dimbulb.htm
That might save you from frying a power transformer due to bad or incorrectly installed capacitors or other components.
An isolation transformer is not a bad idea either, especially if you start working on sets without a power transformer. If you can find a good buy on a BK Precision 1655 or a Sencore PR57 these combine a variac and isolation transformer into one unit (with handy built-in metering).
John KK4ZLF
Lexington, KY
"illegitimis non carborundum"
Messages In This Thread
RE: I dont know what to do! Decision made, Restoration begun - by Eliot Ness - 05-02-2014, 09:43 AM
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A Marconi model 86
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A backbreaker.....PaulPaul Philco322 — 08:12 PM |
A Marconi model 86
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>>What a behemoth!
A Juggernaut.morzh — 07:47 PM |
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I am not sure I understood about the coils and the mush. I looked an more than one coil in 20, 70, 90, 60, Zeniths and ...morzh — 07:46 PM |
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:e_biggrin: What a behemoth! I hope the final result is as much a quality sounding example! Keep us posted on your pro...GarySP — 07:32 PM |
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I should add that the double conversion may only be used on the shortwave bands, but I haven't looked at the schematic t...Arran — 07:27 PM |
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Yes, that wire will not pick up much interference as routed - the RF at that level won't be affected, and if you have st...radio1 — 07:26 PM |
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I'm also a member of MARC. Did you attend the Vintage Electronics Expo in Waterford, MI last month? That's where I got...GarySP — 07:22 PM |
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Dan
Double conversion is using two IF converters instead of one. This improves the image response.
morzh — 07:15 PM |
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Thanks Arran;
I don't even know what a double conversion is, but i do have a good friend In Nova Scotia
that would k...Dan Walker — 07:01 PM |
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Dan;
I've seen some Marconi sets like that before, one was a console though I'm not sure if it was a model 86. It's a...Arran — 05:09 PM |
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