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another philco 46-1209 question
#1

I am going to order the electrolytic caps for my philco 46-1209. I know the voltage is 450V and what the mmf's are but my question is do i order axial or radial leads and should i go with a higher voltage cap ? this is my first time doing this and i got the parts list from chuck ( thanks to chuck nice paperwork)
#2

Hello,

Radial or axial - depends on what you are replacing. I'd order the same, as the parts I am going to replace.
The voltage of caps can be higher but can not be lower. If you order 650V instead of 450V - its only better.

Leonid
#3

it has the old can type that sit on top. my understanding is you disconnect the old one and put the new one underneath the chassis because the new ones are smaller.
#4

You can place the new ones underneathe the chassis, and disconnect the old ones if you have room. The other option is to dismantle the old cans, and stuff the new caps inside. More work, but original appearance. Wear gloves and eye protection when taking apart old electrolytics. Lots of information on just how is available on net.
#5

It looks like they are dual electrolytic am i correct on this ?
#6

C102A & B is indeed a dual section electrolytic, 20 and 10 uF. Up until about 20 years ago, replacement twist-lock electrolytics were easy to get; not so now. I see Antique Electronic Supply is selling new Twist-Lock electrolytics that are, according to their website, "Made in the USA, on Mallory's original machinery." Very pricey, though; a new 20-20 uF, 450 volt cap costs $27.95!

A lot of collectors, myself included, like to rebuild the old can electrolytics when possible. It is a bit of a learning curve, but the results are well worth it. Here is a link to a page showing how to do this:

http://www.nmr.mgh.harvard.edu/~reese/el...s/#rebuild

I strongly advise against using any type of silicone in any electronic equipment. Use hot glue instead; it has excellent insulating properties, and has no acid which will eat away at copper as it cures, as most silicones have.

--
Ron Ramirez
Ferdinand IN
#7

Thanks for clearing that up ron,
It may just me easier to pay the money than take a chance on doing something wrong. After over 60 years of service 27.95 is not much to pay.
#8

If the dual cap is replaced with two single caps at the correct mf where do you attach the ground. The other cap grounds to the chassis but there is some plate under that one. so where do i ground the dual repalcement ?




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