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 Post subject: "Back in the Day" Service?
PostPosted: Dec Sun 03, 2017 12:07 am 
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Joined: Jul Fri 18, 2014 2:03 am
Posts: 215
Location: Springdale, Arkansas
Greetings All,

I've got a late 40's Zenith table set here that someone has replaced the filter cap on (a LONG time ago, by "Jim's Radio Hospital", according to a stamp on the back). The capacitor is an old cardboard tube, wax type with two positive leads coming out of one end and the negative out of the other.

So, here's my question. The capacitor is branded "Philco". Now obviously this isn't factory, but were Philco-branded capacitors available for purchase by repair shops to use as stock replacements for servicing whatever would come in? I'm used to seeing Sprague, Mallory and other such brands as replacements but was curious about this one. I thought manufacturer-branded components were only available as factory installed when new.

Thanks.


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 Post subject: Re: "Back in the Day" Service?
PostPosted: Dec Sun 03, 2017 12:22 am 
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Joined: Jun Sun 03, 2012 12:40 am
Posts: 716
Location: Cromwell, Connecticut
Possibly the radio was a a philco repair shop at some point.

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People may not remember how fast you did a job, but they will remember how well you did it.


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 Post subject: Re: "Back in the Day" Service?
PostPosted: Dec Sun 03, 2017 1:10 am 
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Joined: Sep Tue 30, 2014 6:08 am
Posts: 2124
Location: The Old Dominion VA 23518
jukeman70 wrote:
I thought manufacturer-branded components were only available as factory installed when new.

Thanks.


Nope. Many NOS factory replacement can still be bought today. Search eBay for "Philco NOS" or Zenith NOS and you'll find some.

Admiral to Zenith, they all provided parts. Some provided universal parts as well - Caps, Resistors, you name it...

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"Capacitor Cosmetologist since 1979"
USN Retired 1984-2006 (Avionics/Cal)


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 Post subject: Re: "Back in the Day" Service?
PostPosted: Dec Sun 03, 2017 4:10 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 25805
Location: Detroit, MI USA
The repair shop may have had a Philco branded OEM replacement part in stock, which they decided to use.

It is also likely that Philco sold off some old inventory to one of the surplus dealers like Burstein-Applebee or Olsons, who frequently ran specials on such things that they had bought for pennies on the dollar. A lot of OEM branded parts ended up on the surplus market in those days.

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 Post subject: Re: "Back in the Day" Service?
PostPosted: Dec Sun 03, 2017 5:05 pm 
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Joined: Dec Thu 31, 2009 4:28 pm
Posts: 4418
Location: Medford OR
A Philco 15X with Philco replacement caps - not original equipment:

https://www.russoldradios.com/blog/philco-15x

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 Post subject: Re: "Back in the Day" Service?
PostPosted: Dec Wed 06, 2017 12:53 am 
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Joined: Jun Fri 19, 2009 6:34 pm
Posts: 7214
Location: Long Island
Most radio companies with franchised dealers required them to use OEM replacement parts. There were often advantages to doing so, such as better fit, better matching of original specs, etc. Many larger radio repair shops also sold new radios, so it is quite possible that Jim's Radio Hospital was a Philco dealer and they used a stock capacitor to fix your Zenith. Zenith was no different; had the shoe been on the other foot, you would have ended up with a Philco radio that had a Zenith capacitor in it.

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 Post subject: Re: "Back in the Day" Service?
PostPosted: Dec Fri 08, 2017 7:36 pm 
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Joined: Dec Fri 08, 2017 5:40 pm
Posts: 8
Not an uncommon situation. If it was during the war years we got what we could from many, many sources.

Bruce


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 Post subject: Re: "Back in the Day" Service?
PostPosted: Dec Sun 10, 2017 9:14 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 7473
Location: Beaver Falls, PA. USA
I found a Delco replacement capacitor in the Midwest X-18 that I'm restoring. It was installed so long ago, that it was a wax tubular.

At one time, just about every manufacturer sold their own line of tubes, parts, and accessories. Zenith even sold a line of replacement semiconductors, as late as the 1980s.

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