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 Post subject: Admiral Model 787 Console Chassis Complete Rebuild
PostPosted: Nov Fri 20, 2020 7:58 pm 
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Joined: Nov Mon 13, 2006 6:01 pm
Posts: 70
Location: Marlboro, MA
I am looking for a highly qualified electronics expert to rebuild a rusted chassis for my Admiral 787. Rebuilt chassis to include: 1. A new chassis box, 2. Perform according to factor tolerances and standards and 3. A show quality appearance. Current chassis looks like this:

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Please reach out to me if you have the time and expertise to make this wonderful piece for me. Bill Whelan

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Bill Whelan


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 Post subject: Re: Admiral Model 787 Console Chassis Complete Rebuild
PostPosted: Nov Fri 20, 2020 10:43 pm 
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Joined: Jun Sun 03, 2012 12:40 am
Posts: 1962
Location: Cromwell, Connecticut
One thing I would recommend, is to have all the vital components tested before trying to go in the direction you want.

The dc resistances of all the coils and transformers should be checked. With that much rust, there is likely corrosion inside the IF cans and other RF coils. This way you are not having a set worked on with bad components that may be hard to locate.

I’m not saying this can’t be done, but it could end up way more work and cost than it’s worth. I have seen worse radios brought back to life by folks here so anything is possible. Just wanted you to be aware of the things that could happen.

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Tony

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: Admiral Model 787 Console Chassis Complete Rebuild
PostPosted: Nov Sat 21, 2020 12:08 pm 
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Joined: Nov Mon 13, 2006 6:01 pm
Posts: 70
Location: Marlboro, MA
Hi Tony- I appreciate your thoughtful reply. Since you are the closest at 1.24 Hr ride, you win the contract! LOL. I live in Marlborough MA.

I am a radio dealers, but by far not an electronics specialist. I know radio values and the general costs of restorations. You are right the restoration cost will exceed the value of the radio. I love this console shape and dial. My son does as well, so I am planning to give it to him as a gift once completed.

1. If vital components are shot, are these parts particular to Admiral or are they readily available?
2. How long would you project a careful chassis restoration will take for this 787?
3. Do you know any pro/highly skilled restorers in your area that do this type of work?

Thank you, Bill

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 Post subject: Re: Admiral Model 787 Console Chassis Complete Rebuild
PostPosted: Nov Sat 21, 2020 3:08 pm 
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Joined: Sep Mon 28, 2020 8:24 pm
Posts: 28
Location: Maine
I've seen a restoration where tube socket rivets were drilled, and all components/wiring were lifted from the chassis with most wiring/connections in place to keep everything together, and then the chassis was bead blasted back to bare metal. Of course, as noted in a previous post, there may be concerns with other components. It may be more cost effective and/or practical to find another chassis that's in a fair/poor cabinet.
That radio does have an absolutely beautiful cabinet and dial face.


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 Post subject: Re: Admiral Model 787 Console Chassis Complete Rebuild
PostPosted: Nov Sat 21, 2020 3:57 pm 
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Joined: Jan Mon 16, 2012 4:15 pm
Posts: 6866
Location: Near Brandon, Iowa
Your radio?

https://www.catalinstore.com/fr/product ... tube-radio


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 Post subject: Re: Admiral Model 787 Console Chassis Complete Rebuild
PostPosted: Nov Sat 21, 2020 4:31 pm 
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Joined: Nov Mon 13, 2006 6:01 pm
Posts: 70
Location: Marlboro, MA
Yes, it is. I was going to sell it but my son really likes it. I want to give it to him. Bill

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Bill Whelan


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 Post subject: Re: Admiral Model 787 Console Chassis Complete Rebuild
PostPosted: Nov Sun 22, 2020 3:26 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 9598
Location: Beaver Falls, PA. USA
I reconstructed an RCA MI-9358 theatre sound amplifier that had been in a fire, which was even worse. Yes, it can be done!

The power transformer would be the first thing to check. That Candohm resistor is unusable, and I would check the tuning capacitor for damage. If it is mechanically free, the rotor grounding springs may need attention. If all the coils are OK, then you're on your way.

A bead blasting, followed by tin plating, would be ideal.

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Tim KA3JRT


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 Post subject: Re: Admiral Model 787 Console Chassis Complete Rebuild
PostPosted: Nov Sun 22, 2020 12:36 pm 
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Joined: Jun Sun 03, 2012 12:40 am
Posts: 1962
Location: Cromwell, Connecticut
I tackled a radio like that once, and ended up finding another chassis. I learned from that experience and I’ll never take on something like that again.

I appreciate those who would do this type of repair, just not me. I enjoy Restoring radios, but that would not be enjoyable to me. Life is too short to torture myself.

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Tony

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: Admiral Model 787 Console Chassis Complete Rebuild
PostPosted: Nov Sun 22, 2020 2:42 pm 
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Joined: Nov Mon 13, 2006 6:01 pm
Posts: 70
Location: Marlboro, MA
Sage advice from someone that has been there. I guess I will start a hunt for a nee chassis. Bill

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 Post subject: Re: Admiral Model 787 Console Chassis Complete Rebuild
PostPosted: Nov Sun 22, 2020 3:00 pm 
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Joined: Jan Mon 16, 2012 4:15 pm
Posts: 6866
Location: Near Brandon, Iowa
OldRadioCrazy.com wrote:
Sage advice from someone that has been there. I guess I will start a hunt for a nee chassis. Bill

This model isn't all that rare, at least around here (northeast Iowa). I've seen them come up for sale locally from time to time on Craigslist over the past several years, but have never been personally motivated to acquire a copy: while they have an attractively-styled appearance, they are nothing remarkable electronically. I think that you'll find turning up a decent, restorable chassis will be easier than you might expect... particularly if you search in the heart of Admiral country- the upper midwest. Recommend that you try a free "WTB or trade" ad in the Classifieds section.


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 Post subject: Re: Admiral Model 787 Console Chassis Complete Rebuild
PostPosted: Nov Sun 22, 2020 3:50 pm 
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Joined: Nov Mon 13, 2006 6:01 pm
Posts: 70
Location: Marlboro, MA
Great idea that I am already pursuing! I should have thought of that. Bill Whelan

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