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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Jun Thu 14, 2018 2:09 am 
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I still thank you very much for picking it up for me!
It was really performing well before the transformer went south, so I hate to get so close, yet loose it.

Now I have yet another radio which needs a power transformer. This gets expensive…

-Steve

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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Jan Wed 09, 2019 10:46 pm 
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Well, after almost 10 months of waiting, Heyboer finally sent me a transformer.

Is 10 months normal for them? I would like to use their services again, but wow, long wait.

When my bench is free, I will install this beauty. :D

-Steve


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sm-tca-clarion480xfmr.jpg
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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Jan Thu 10, 2019 4:18 pm 
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I imagine you had other stuff keeping you busy. My problem is always finding all the pieces when I come back to something 10 months later!

At least it's back in your hands. It'll be exciting to get it going again, you can look forward to that, now!

Maybe Heyboer needs some competition... Or just another shop to split the workload with. :(

-Rodney


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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Jan Thu 10, 2019 8:31 pm 
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I've never asked if EDCOR will do custom transformers, but its a possibility.
All of their transformers are made to order. They don't keep them on the shelf ready to sell.

Thanks Rodney! It shouldn't be too difficult to get it installed considering it has nice new long flexible wires! :D
But i DO need to finish the 136...

-Steve

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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Jan Thu 10, 2019 11:31 pm 
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It will be nice to read when you have it playing.

I'm surely one of many who feel your pain, as many of the radios are barely worth the cost of a transformer rewind, it that much, but we want to refurbish and preserve them. How about just chalking it up to the overhead cost of having a nice hobby?

Heyboer has taken a few weeks, not 10 months, on previous projects for me. There must be a good reason your transformer was delayed. They are nice people and do good work, so I'm very happy they are willing to work on such small one of a kind projects. Before I started using them, I contacted some guy who seemed to think I should be happy that he would bother to work on my projects, and refused to provide references. I'd rewind the thing myself before ever giving him or other such people any work.

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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Jan Fri 11, 2019 12:05 am 
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I'm trying not to think of the money wrapped up in it, in the end its a moot point.
Though, I wonder what I would have done if I knew just what I was getting into? :wink:

I don't blame anyone and I'm happy I have the radio. It probably would have been set aside if I knew both the power transformer and the variable cap were defective.
But I recapped it and it was performing beautifully once I figured out that "Tune-A-Lite" issue.

Just one of those deals where I just didn't want to let go :D

-Steve

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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Jan Fri 11, 2019 12:31 am 
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People decades in the future will appreciate what we are doing now to preserve these radios.

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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Jan Fri 11, 2019 1:02 am 
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azenithnut wrote:
I'm trying not to think of the money wrapped up in it, in the end its a moot point.
Though, I wonder what I would have done if I knew just what I was getting into? :wink:

I don't blame anyone and I'm happy I have the radio. It probably would have been set aside if I knew both the power transformer and the variable cap were defective.
But I recapped it and it was performing beautifully once I figured out that "Tune-A-Lite" issue.

Just one of those deals where I just didn't want to let go :D

-Steve

+1


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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Jan Mon 21, 2019 5:09 pm 
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It lives!

I installed the power transformer, but only connected the long leads temporarily to be sure it is working.
The B+ is a bit low with it, but it seems to be working ok. I'll let it run a while as is just to be sure all is well.

In the meantime, a short 15 second video.

http://www.theradiofox.com/other/sm4802/temp.mp4

Its not done, I have some work to do yet, but it lives! :D

-Steve

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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Jan Mon 21, 2019 5:29 pm 
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Sounds great! The lower voltage shouldn't be too bad if it's not too low, in fact it may compensate for the 120v at the socket so you don't have to bother stepping it down at all.


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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Feb Sun 10, 2019 9:50 pm 
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OK, I can call this one done. Its working quite well.

Here is a short video of it in operation :D

https://www.youtube.com/watch?v=H0BLBzQHVQE

Its been a long trip, hasn't it?
All good I'm happy with it!

-Steve

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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Feb Sun 10, 2019 10:01 pm 
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Very nice, Steve. Sounds great! The original owners when buying this radio probably never thought it would be found by someone in 2019 and restored to it's former glory for the next several generations to enjoy.


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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Feb Sun 10, 2019 10:11 pm 
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Thanks for the compliment :D

I wonder if it was set aside by the original owner once the variable capacitor started scraping the plates together?
Most of the chassis was all original. Not much work was done.

-Steve

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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Feb Mon 11, 2019 2:00 am 
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Great sound, Steve! A long road but obviously worth it!

Larry


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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Feb Tue 12, 2019 4:37 pm 
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Yay!! Great job Steve!! You put your heart into that one!
Cheers!
Joe


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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Feb Tue 12, 2019 8:36 pm 
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Larry, Joe, Thank you!

It is definitely a keeper. btw, I do have another, which would need a power transformer, speaker and variable capacitor gang if anyone wants to take it on! :D

-Steve

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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Feb Tue 12, 2019 8:52 pm 
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Location: 253 Blanche St. Plymouth, MI USA
Brewmasterjoe wrote:
Yikes!! Definitely made on the cheap.
Good luck Steve! If anyone can figure out what to do with the Variable cap, you are one of them!
Cheers!
Joe


I would not call this a cheap radio... looks very well made. That they used pot metal in the tuning cap was common before 1933, this radio being on the late edge of that. But, thats just the tuning cap, the rest is obviously well made.
Mark Oppat


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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Feb Tue 12, 2019 9:53 pm 
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Great job Steve!

I'm getting ready to start on a 16 tube Wells Gardner 6F that has a cooked transformer. I was thinking about using Heyboer to rebuild it.

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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Feb Wed 13, 2019 5:13 am 
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It's a beauty, Steve, and now hopefully will be reliable for years to come!

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Measure it with a micrometer, mark it with chalk, cut it with a chainsaw.


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 Post subject: Re: Silver Marshall Mfg 4802 console
PostPosted: Feb Wed 13, 2019 3:20 pm 
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Fine job, sir.

In my previous experience with Heyboer it never took more than a month to get a custom wound transformer from them. Of course, it has been like ten years or so since the last time I had one custom made by them. I wonder why it took so long for yours...???

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