1949 Motorola 5A9M
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Nice job on the battery, Bob. Can the box be opened to replace the 9 volters?RodB — 11:32 AM |
Philco 46-1209 strange behavior
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Thank you for the detailed response MrFixr.
To clarify, the hum starts when the tubes are fully warmed up, and goes a...sq65 — 09:15 AM |
Philco 46-1209 strange behavior
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MrFixr
The chassis, if there is no ground pin in the AC plug, due to the Y-caps from L/N to the chassis, is at 60VAC re...morzh — 08:47 AM |
schematics
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thanks I'll try the polar caps seperatelymseno — 07:38 AM |
Philco 46-1209 strange behavior
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Hi SQ55,
A strange issue indeed! Just so I have you straight, on a dim bulb you get normal operation after the set warm...MrFixr55 — 12:44 AM |
schematics
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I think mseno is talking about cap# 27 which is a multisection but in a paper tube. In cases like that I've usually be ...klondike98 — 11:25 PM |
schematics
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Ohrenet :roll:
For their price I would chase a fly in a field. :twisted:Vlad95 — 11:21 PM |
1949 Motorola 5A9M
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A bit more work on the Motorola. I got the repro battery together right up until I realized the snap clips on the top o...klondike98 — 10:45 PM |
schematics
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Often restuffed.
If a twistlock, Hayseed Hamfest makes modern replacements.
morzh — 09:18 PM |
schematics
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Looking for a multi-sectional 8+16 mfd cap. Can't find any suppliers that carry it.mseno — 08:45 PM |