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 Post subject: Re: Roaring 20s Superhets
PostPosted: Mar Sun 26, 2017 3:37 am 
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Posts: 5057
Location: Radio Heaven, North Carolina, near Charlotte, 28106-3015
Has Rick Ammons Super het web gone away?
See lots of 1920s Superhets at http://www.superhets.info/page5.html
does not work, I had one of the guys at the Charlotte meet ask me about it today.

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 Post subject: Re: Roaring 20s Superhets
PostPosted: Mar Sun 26, 2017 5:02 am 
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Joined: Mar Mon 05, 2012 6:35 am
Posts: 228
Location: Chicagoland, 60194
I hope not. Rick has lots of good info there. I couldn't connect with Firefox and Chrome redirects and gives me a rollsroyceofreception.com page isn't working. I think it's hosted by godaddy.


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 Post subject: Re: Roaring 20s Superhets
PostPosted: Mar Sun 26, 2017 7:26 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 1620
Location: Hollywood, Maryland
I talked to Rick and he was not aware that his page was down. He does now and the site should be up in about 48 hours.

David W.


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 Post subject: Re: Roaring 20s Superhets
PostPosted: Mar Thu 30, 2017 1:14 am 
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Joined: Jun Wed 21, 2006 1:56 am
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Location: Katy, Texas
Here ya go. Perhaps Billy best project.

JL McLaughlin Hallicrafters Superheterodyne

http://www.ebay.com/itm/JL-McLaughlin-H ... SwsW9Y2rRW

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 Post subject: Re: Roaring 20s Superhets
PostPosted: Mar Thu 30, 2017 1:15 am 
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Location: Dayton Ohio
Yowza! Look at all that brass!!! :D

-Steve

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Consoles and floor models, the bigger, the better!


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 Post subject: Re: Roaring 20s Superhets
PostPosted: Mar Thu 30, 2017 6:22 am 
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Location: Radio Heaven, North Carolina, near Charlotte, 28106-3015
Wow, WOW ! ! !
that is awesome, and on the cover of a 1924 QST.
What a killer set, I wish I could afford it.

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 Post subject: Re: Roaring 20s Superhets
PostPosted: Jul Wed 12, 2017 12:27 pm 
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Joined: May Thu 26, 2011 5:58 am
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Location: Capon Bridge, WV
Thats one heck of a set!

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 Post subject: Re: Roaring 20s Superhets
PostPosted: Aug Thu 31, 2017 12:32 am 
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Joined: Mar Mon 05, 2012 6:35 am
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Location: Chicagoland, 60194
Went to a radio sale today (thank you Art) and came home with a Madison-Moore and a 11 tube Robertson-Davis (R-D) Superhet. The R-D is shown as-found and is missing the meters. I found Duane's info on the transformer test results, but very little else about this company. Anyone know where I might find a schematic, articles, or have more info about this company? It has 11 xfmrs and runs 11 UX199's, all elevated to reduce lead length. Other than the missing meters and no cabinet it doesn't look too bad. All the wiring except antenna and speaker are routed through a Yaxley jones plug.

Thanks, Matt

Image
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 Post subject: Re: Roaring 20s Superhets
PostPosted: Aug Thu 31, 2017 12:51 am 
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Joined: Mar Mon 05, 2012 6:35 am
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Location: Chicagoland, 60194
Further review of Duane's site shows this set as a Melo-Heald Eleven with lots of info. Thank you Duane.


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 Post subject: Re: Roaring 20s Superhets
PostPosted: Aug Thu 31, 2017 4:32 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 760
Location: Utah 84005
Nice score on the Madison-Moore and the Melo-Heald Eleven superhets!
I believe the transformers on your Melo-Heald are an early design with the terminals on top.
My 2 sets have transformers with the terminals on the bottom.
The earlier transformers seem to be rarer than the later transformers.

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 Post subject: Re: Roaring 20s Superhets
PostPosted: Aug Thu 31, 2017 4:54 am 
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Joined: Mar Mon 05, 2012 6:35 am
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Location: Chicagoland, 60194
Thanks Duane. I've been reading everything I can find and was going to ask you if it was early or late? Having the terminals on top allowed shorter leads. It seems to match your factory brochure almost exactly except for the glass panels. Is the brochure dated? Also I was obviously wrong in my assumption it ran 199's instead of 01a's.

Matt


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 Post subject: Re: Roaring 20s Superhets
PostPosted: Sep Fri 01, 2017 3:43 am 
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Joined: Jan Thu 01, 1970 1:00 am
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Location: Utah 84005
matt's basement wrote:
Having the terminals on top allowed shorter leads. Is the brochure dated?


Hi Matt,

I can't remember if the brochure is dated or not. I don't think it was. I still have it, but I moved a few months ago and I haven't sorted out all my material yet.
The Melo-Heald Eleven transformers with the terminals on the bottom match the style of the Hot Spot 14 transformers, which suggests they are the later design.

As far as the terminals on top allowing shorter leads, that is only the case if the tube sockets are raised on a shelf
or the transformers are mounted under the basepanel (as in Michael Ferdt's Melo-Heald Eleven).

The terminals on tube sockets are at the bottom, and I suspect that's why Melo-Heald started putting the terminals on their transformers at the bottom
(To allow shorter leads between the tube sockets and the transformers).

Duane

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 Post subject: Re: Roaring 20s Superhets
PostPosted: Sep Fri 01, 2017 11:25 pm 
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Joined: Mar Mon 05, 2012 6:35 am
Posts: 228
Location: Chicagoland, 60194
Thanks again Duane. Your explanation make sense. I will have to keep a lookout for the proper Jewell meters. Went back to the seller's place again today to look for them, but had no luck. I did however come home with another load of old junk I don't need. It's a very sad place. I may be wrong about some of the details but a long time local collector passed away quite some time ago. His widow was apparently overwhelmed by all the stuff so she just left it sit collecting dust. She is elderly and has now moved into assisted living quarters and sold the house with the contents to a young couple trying to make a living flipping houses. I was in the shop area going through stuff and moving mouse poop when I picked up a couple boxes from the floor to put some parts in. Then I realized the boxes were the original shipping containers for AMRAD Detector-amplifier #2634 and AMRAD shortwave tuner #2596.

Matt


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 Post subject: Re: Roaring 20s Superhets
PostPosted: Sep Sat 02, 2017 6:30 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 760
Location: Utah 84005
Good luck on finding the meters for that Melo-Heald. I think your set is nicer than either of mine.

What does the Madison-Moore look like that you found?

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 Post subject: Re: Roaring 20s Superhets
PostPosted: Sep Sat 02, 2017 11:22 pm 
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Joined: Mar Mon 05, 2012 6:35 am
Posts: 228
Location: Chicagoland, 60194
Cabinet is a floor model standup. Has lots of room for batteries and there is a Yaxley autoswitch mounted on the bottom. The chassis is in good shape, but needs a thorough cleaning. The schematic is attached to the inside lid and looks like it is the original clipped from a magazine article.

Image
Image
Image

I bought several other radios including this little one tube regen homebrew that had this great pair of Pacent 150 MICROVERN dials!

Image

I filled the truck up twice and as of today I'm still married. I will be setting up at the next ARCI and WARCI swapmeets because I am busting at the seams.

Matt


Last edited by matt's basement on Sep Sun 03, 2017 12:10 am, edited 1 time in total.

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 Post subject: Re: Roaring 20s Superhets
PostPosted: Sep Sat 02, 2017 11:40 pm 
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Joined: Jan Tue 31, 2012 1:55 am
Posts: 2497
Location: Mountains of Mourne. Ireland.
Five page (Melo-Heald Eleven) construction article as referenced by Duane.
Citizen's Radio Call Book. Spring-1927
http://americanradiohistory.com/Citizen ... r-Page.htm

Direct download: http://americanradiohistory.com/Archive ... -March.pdf 22.2MB

Great website Duane... :)
Greg.


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 Post subject: Re: Roaring 20s Superhets
PostPosted: Sep Sun 03, 2017 12:46 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 760
Location: Utah 84005
Matt: Wow, that's a great looking Madison-Moore! I like the Pacent dials also. It looks like you found a nice little honey hole,
Thanks for posting the photos.

Greg: Thanks for the kind words on my site.

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 Post subject: Re: Roaring 20s Superhets
PostPosted: Sep Sun 03, 2017 6:04 pm 
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Joined: Aug Mon 18, 2008 3:17 pm
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Location: Dallas Tx.
http://magazineart.org/main.php/v/techn ... 6.jpg.html


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 Post subject: Re: Roaring 20s Superhets
PostPosted: Sep Sun 03, 2017 8:30 pm 
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Joined: Mar Mon 05, 2012 6:35 am
Posts: 228
Location: Chicagoland, 60194
homebrew wrote:
http://magazineart.org/main.php/v/technical/qst/QST1924-06.jpg.html


Cool, in the basement at the same sale I found a box of QST's dated 1923-1927. Very briefly sorted into a clean box. Some missing, some dups. There are a few early QST's online, http://www.rsp-italy.it/Electronics/Magazines/QST/


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 Post subject: Re: Roaring 20s Superhets
PostPosted: Sep Tue 19, 2017 2:03 am 
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Location: Hollywood, Maryland
I have had a long dry spell when it comes to adding 1920's vintage superhets to the collection, but the last few months I have picked up a few. Here is my purchase from the fall Kutztown meet. I have identified it as a Tryman 72, the DC version. Uses three 22 tubes and four 01A's. Ad pictures of the period show that it should have tube shields but there is only a 1/8" or so tall ring around the sockets, not much to secure a tube shield in place. Can anyone else share a picture of their Tyrman 72 chassis?

David


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Tyrman 72.jpg
Tyrman 72.jpg [ 80.39 KiB | Viewed 91 times ]
Tyrman 72 Dial.jpg
Tyrman 72 Dial.jpg [ 96.32 KiB | Viewed 91 times ]
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