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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Nov Mon 20, 2017 3:59 pm 
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Joined: Dec Mon 08, 2008 8:27 pm
Posts: 8108
Location: alameda,CA
We got in a fresh horde of lil' AA5's. Most in poor cosmetic shape, most with cracks. Thus they were taken apart, recapped, and the cases cleaned, prepped and painted.
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Also did this sort of strange "Cavalcade" radio. Unusual in that its from 1941 and that I don't recall seeing this sort of plastic often from that time. Its actually a very good performing set. The case is slightly warped on top from the heat of the 35Z5. I added a strip of aluminum tape above that tube to maybe shield the plastic more.
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Lastly... did this Emud set. Not bad and it did work initially. Just needed a general recap. Added bluetooth too...
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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Nov Mon 20, 2017 10:25 pm 
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Joined: Nov Mon 20, 2017 8:19 pm
Posts: 11
Location: 6010 Highway 151 Dubach LA 71235
Starting fires: as I read about my first radio, I learn that some old units used a power cord with resistance built in, to reduce household voltage to an acceptable level for the radio. These cords would get hot and could start a fire. Don't think yours is one of them.


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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Nov Tue 21, 2017 2:52 am 
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Joined: Jan Mon 18, 2010 2:13 am
Posts: 15384
Location: Dayton Ohio
Yes, the so called "Curtain Burners" were of the first transformerless designs in the early to mid 1930s.

They used tubes with 300 mA heaters in a series string. Later when the 150 mA tubes came out, they were designed to add up to line voltage to eliminate this problem.

-Steve

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-Zenith
-Sparton
-Pre-War FM
Consoles and floor models, the bigger, the better!


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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Nov Tue 21, 2017 5:11 pm 
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Joined: Dec Mon 08, 2008 8:27 pm
Posts: 8108
Location: alameda,CA
The latest-greatest...

1: A very nice Silvertone tombstone from the 30's. It was donated a week ago and much to my surprise was already fully restored. Usually I wind up having to overhaul every set that walks through the door so its nice to open one up that's already done.
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2: An amazingly well-preserved 1941 Motorola. It had a tag on the back stating it had been restored in 1987. I expected to see all newer caps but instead only 2-3 were replaced. The set worked fine but as it will be sold I replaced all of the caps anyway. Nice set!
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3: Very plain and super common RCA. Yes- I know you're not supposed to plug them in before doing the lytics but oh well, I tend to do it with sets like these out of random curiosity. I was met by a snap and TONS of smoke. The .047 Bumblebee cap that serves as the across the line cap more or less incinerated itself. As in when I removed it the foil was melted together. Oh well, all caps replaced and she woiks!
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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Dec Tue 05, 2017 5:18 pm 
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Joined: Dec Mon 08, 2008 8:27 pm
Posts: 8108
Location: alameda,CA
I'm sort of worn out these days as we had a big sale Sunday. Sold off about 75% of the sets we brought. So... time to "rebuild" the supply!

First set was this nice Zenith console. Everything was wrong with it and it took about a week and a half to get up and running. Lots of crumbly rubber wiring had to be replaced, there were several shorts that took time to tackle, Several bad tubes, broken tuning string, etc etc... But she works now and has added bluetooth to boot...

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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Dec Thu 07, 2017 6:11 pm 
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Joined: Dec Mon 08, 2008 8:27 pm
Posts: 8108
Location: alameda,CA
Before I continue... does anyone actually read these anymore? If not I'll discontinue doing this diary.

Anyway, last night's set was this nice looking Zenith. I really like the color. Anyway just a general recap job and she was all good to go!

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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Dec Thu 07, 2017 6:58 pm 
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Joined: Jan Thu 26, 2017 10:33 pm
Posts: 370
I still read this diary, and I'm sure a few others are interested in in, so please don't discontinue this thread. Also, for a hint of how many people have looked at the thread, check the number of views next to where the thread is listed in the Antique Radio Discussions Forum.

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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Dec Thu 07, 2017 7:01 pm 
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Joined: Jan Sun 18, 2009 1:40 am
Posts: 2812
Location: Lexington, KY
Yes, I suspect there are several who are reading your thread, but like me, mostly lurk and enjoy your pictures and comments.

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John KK4ZLF


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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Dec Thu 07, 2017 9:38 pm 
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Joined: Sep Sat 27, 2014 4:24 am
Posts: 1373
Location: Oxford, MI
I do too. Always interesting to see what kinds of sets turn up in different parts of the country.

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Caretaker of Portable Tube Radios


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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Dec Thu 07, 2017 10:32 pm 
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Joined: Mar Tue 04, 2014 3:29 am
Posts: 1993
Location: Long Beach, CA 90808
I'm all eyes! :roll: :shock: :roll: :shock: :roll: :shock:

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Aloha, Ken

No Console Left Behind!
Come join us @ http://vintagehifi.net/


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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Dec Thu 07, 2017 11:00 pm 
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Joined: Nov Mon 06, 2017 7:45 pm
Posts: 71
Location: Sherwood, Oregon
Very entertaining. Love it!


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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Dec Thu 07, 2017 11:09 pm 
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Joined: Dec Mon 08, 2008 8:27 pm
Posts: 8108
Location: alameda,CA
Ok, I was just checking. I realize this is a really monotonous thread with mostly run of the mill radios. Its partially for me as a historical record since all of these except the few that are mine then get sold. That and its also a visual reminder of the sort of insanity I likely posses for doing so many of these radios... So onward we shall proceed!


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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Dec Tue 12, 2017 5:29 pm 
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Joined: Dec Mon 08, 2008 8:27 pm
Posts: 8108
Location: alameda,CA
The latest project was this 1958 RCA SHC-6 stereo system. I've worked on a few of these and for having just one 6V6 per channel they sound really nice.
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The chassis is sort of "Rats nesty" but not horrible. I did have an issue where FM would only work for a few minutes then fade away. There was a ceramic cap in the FM circuit that had a crack in it and once that was replaced the issue was solved.
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At some point someone stuck in a gigantic 5R4 rectifier in it.
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Beyond the recap the record player had two rotten idler wheels which I replaced with some NOS ones I had found a few months back. The cartridge is really weird and luckily its in good shape. I also installed a bluetooth receiver which the user can use via the tape selection.


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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Dec Wed 13, 2017 8:14 pm 
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Joined: Feb Tue 24, 2009 8:20 am
Posts: 10565
Location: Aurora Colorado
I am following along also. 8)

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I move the world just one step on...


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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Dec Thu 14, 2017 1:30 am 
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Joined: Jan Mon 18, 2010 2:13 am
Posts: 15384
Location: Dayton Ohio
The good ole 5R4WGA "Potato Masher"

:D

Yes, I am certainly following along!
I think your thread is wonderful!

-Steve

_________________
Radio Interests
-Zenith
-Sparton
-Pre-War FM
Consoles and floor models, the bigger, the better!


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 Post subject: Re: Radio Restoration Diary 2 ( post photobucket)
PostPosted: Dec Thu 14, 2017 4:36 am 
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Joined: Nov Tue 18, 2014 9:18 pm
Posts: 459
Location: Corvallis, Oregon
Hiya Bob,

Yep definitely following along. Thanks to you I can simply repair all of these sets vicariously through you. Keep it going.

Cheers

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Fast is only good if you don't have to start over.


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