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DIY & Tutorials
DIY For Audio
Restoration of Philips B6X63A valve radio from 1956
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<blockquote data-quote="El Sid" data-source="post: 884142" data-attributes="member: 18550"><p>New PS filter caps in. Terminals of the old cap to the left.</p><p><img src="https://i.imgur.com/2VUMCNb.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>About halfway now with the black monsters - all the orange ones are replacements. Amazing how much smaller they are. Very time-consuming - that's a bloody tight space and I'm being super careful. I have been measuring the old ones as they come out - all measure at least double the capacitance. Unfortunately I can only measure capacitance, not leakage.</p><p><img src="https://i.imgur.com/lrCzm9W.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>A useful trick from my radio restoration guru (M Caldeira - Electronics Old & New on youtube) is to wind the lead of the new component into a little pigtail around a very thin drill bit. Remove the old component by snipping the leads and then push the pigtail onto the remaining bit of lead and solder. Much easier than trying to get the new components lead into the terminals! I'm sure the old hacks new about this trick but i didn't.</p><p><img src="https://i.imgur.com/qtOkBzzl.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p>Out if interest I hacked one of those black caps open. No wonder they're so big - the black waxy layer is about 3mm thick, and it has a glass core</p><p><img src="https://i.imgur.com/z4TUhR2l.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="El Sid, post: 884142, member: 18550"] New PS filter caps in. Terminals of the old cap to the left. [IMG]https://i.imgur.com/2VUMCNb.jpg[/IMG] About halfway now with the black monsters - all the orange ones are replacements. Amazing how much smaller they are. Very time-consuming - that's a bloody tight space and I'm being super careful. I have been measuring the old ones as they come out - all measure at least double the capacitance. Unfortunately I can only measure capacitance, not leakage. [IMG]https://i.imgur.com/lrCzm9W.jpg[/IMG] A useful trick from my radio restoration guru (M Caldeira - Electronics Old & New on youtube) is to wind the lead of the new component into a little pigtail around a very thin drill bit. Remove the old component by snipping the leads and then push the pigtail onto the remaining bit of lead and solder. Much easier than trying to get the new components lead into the terminals! I'm sure the old hacks new about this trick but i didn't. [IMG]https://i.imgur.com/qtOkBzzl.jpg[/IMG] Out if interest I hacked one of those black caps open. No wonder they're so big - the black waxy layer is about 3mm thick, and it has a glass core [IMG]https://i.imgur.com/z4TUhR2l.jpg[/IMG] [/QUOTE]
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DIY & Tutorials
DIY For Audio
Restoration of Philips B6X63A valve radio from 1956
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