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 Post subject: Zenith Transoceanic
PostPosted: Sep Mon 20, 2021 9:02 pm 
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Joined: Jan Sun 25, 2015 3:26 pm
Posts: 59
Now I understand the popularity of these fool radios. My G500 Revision D is a strong performer, now that it’s restored. I’m really surprised at just how good it is. It’s a serious set. A few little miniature tubes, squeaking along at about 1.35 volts on the fils, a stingy B+ draw, and what — maybe a quarter watt of audio — can, in fact, make for a very good shortwave radio. Who woulda thought? Cleaning, dying, gluing, replacing 17 tired old caps, etc., was worth it.

Richard
WB5NEN


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 Post subject: Re: Zenith Transoceanic
PostPosted: Sep Mon 20, 2021 10:26 pm 
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Joined: May Sun 06, 2007 2:52 am
Posts: 2826
Glad you like your Trans-O.I "restored" (my version of a rest-o) a G500 last winter.Built a battery pack for it,bought the solid-state 1L6 and all new tubes.Like you,did some gluing,dyed the cabinet covering and polished the brass.

They are a fairly impressive radio,and I have to admit,I agree they perform better on batteries-but good LAWD,60 AA's.Needless to say,I bought them on Amazon.I measured B+ current at 17ma and filament current at 63ma.

I've yet to actually do a decent alignment-dial calibration is off on all bands.Basically,I've only done the broadcast band and may never do the others-they're close enough and I'm lazy.If I need acc'racy,I've got a Rad Shack DX-440.

I'm curious-how do you tell one revision of the G500 from another?What makes yours a "D" variation?


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 Post subject: Re: Zenith Transoceanic
PostPosted: Sep Mon 20, 2021 11:06 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 18816
Location: Utica, NY 13502 (USA)
Here is a web-image of a Zenith TransOceanic G500 for anyone unfamiliar with this model.
Attachment:
Zenith G500 T-O.jpg
Zenith G500 T-O.jpg [ 234.53 KiB | Viewed 750 times ]

Dave


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 Post subject: Re: Zenith Transoceanic
PostPosted: Sep Mon 20, 2021 11:11 pm 
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Joined: Jan Sun 25, 2015 3:26 pm
Posts: 59
I suppose I’m confused again. I must have an H500. Here is mine.


Attachments:
9B4A04E3-7D13-4F0A-B226-1D431F897F29.jpeg
9B4A04E3-7D13-4F0A-B226-1D431F897F29.jpeg [ 721.92 KiB | Viewed 747 times ]
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 Post subject: Re: Zenith Transoceanic
PostPosted: Sep Tue 21, 2021 12:44 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 18816
Location: Utica, NY 13502 (USA)
Yes, yours is an H500.

The TransOceanic lineage can be seen here: https://web.archive.org/web/20120608163 ... iaair.org/

Dave


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 Post subject: Re: Zenith Transoceanic
PostPosted: Sep Tue 21, 2021 1:09 am 
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Joined: Jan Sun 25, 2015 3:26 pm
Posts: 59
Dave,

Now that is a very useful link. I saved it Thank you.

R


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 Post subject: Re: Zenith Transoceanic
PostPosted: Sep Tue 21, 2021 1:41 am 
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Joined: Jun Thu 05, 2008 6:28 pm
Posts: 770
Location: Santa Rosa Ca
I just had chassis restored on my G500. I have had other T/O. This one I think I will keep.
I like it a lot.


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 Post subject: Re: Zenith Transoceanic
PostPosted: Sep Tue 21, 2021 7:30 am 
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Joined: Apr Sun 08, 2007 6:47 am
Posts: 5010
Location: British Columbia
wb5nen wrote:
I suppose I’m confused again. I must have an H500. Here is mine.


To make matters more confusing you need to use the chassis numbers to find the schematic, as there were different variants. The G500 was a sort of stopgap model, it used the same cabinet, chassis, and escutcheon of the late 40s models, but with Loctal tubers. I really wish that Brand Z would have followed Philco's lead, and used model numbers to represent chassis and model, like 46-1201, even so the service data is pretty easy to find on any T.O.
Regards
Arran


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 Post subject: Re: Zenith Transoceanic
PostPosted: Sep Tue 21, 2021 11:06 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 18816
Location: Utica, NY 13502 (USA)
Arran wrote:
wb5nen wrote:
I suppose I’m confused again. I must have an H500. Here is mine.

The G500 was a sort of stopgap model, it used the same cabinet, chassis, and escutcheon of the late 40s models, but with Loctal tubers.
The 8G005 has Loktal tubes while the G500 uses miniature tubes. The G500 cabinet omitted the drop-down front door.
Attachment:
Zenith 8G005 vs G500.jpg
Zenith 8G005 vs G500.jpg [ 148.63 KiB | Viewed 644 times ]

https://antiqueradio.org/g500.htm

Dave


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 Post subject: Re: Zenith Transoceanic
PostPosted: Sep Tue 21, 2021 1:52 pm 
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Joined: Oct Thu 04, 2018 2:11 pm
Posts: 827
Location: Suburban Chicago
wb5nen wrote:
Now I understand the popularity of these fool radios. My G500 Revision D is a strong performer, now that it’s restored. I’m really surprised at just how good it is. It’s a serious set. A few little miniature tubes, squeaking along at about 1.35 volts on the fils, a stingy B+ draw, and what — maybe a quarter watt of audio — can, in fact, make for a very good shortwave radio. Who woulda thought? Cleaning, dying, gluing, replacing 17 tired old caps, etc., was worth it.

Richard
WB5NEN


An even humbler radio from the dawn of the radio age taught me this. My first project was a Freed-Eisemann FE-15. A TRF with five tubes, five transformers and almost no other components. Those tubes can hardly even be called tubes they are so ancient and simple and since it is not a neutrodyne they are not being used to the fullness of their meager abilities. A quarter watt of audio would be a luxury. The "best" antenna I have ever used with it was a 20 inch indoor loop of 12 turns. But it is still quite a radio. The end of my career as a radio designer is fast approaching and we routinely do things that would have been unbelievable if we had even had the foresight to imagine them when I was young and vacuum tubes were still just barely king. Yet it is clear from playing with these old radios that tubes are quite capable and as I sit here surrounded by all the modern tools of my trade I have to have enormous respect for the engineers who designed these fine old radios with pencil, paper, and slide rule!


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 Post subject: Re: Zenith Transoceanic
PostPosted: Sep Thu 30, 2021 1:32 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 10773
Location: Beaver Falls, PA. USA
By today's standards, it is really amazing that the early radio, TV, broadcast, and theatre stuff worked as well as it did, with what the engineers had to work with; especially color TV.

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Tim KA3JRT


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 Post subject: Re: Zenith Transoceanic
PostPosted: Sep Thu 30, 2021 4:09 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 1479
Location: Orlando, FL, USA
I was in the Keys last weekend and saw this picture of Ernest Hemmingway with a TO

Attachment:
TOhem.jpg
TOhem.jpg [ 465.38 KiB | Viewed 405 times ]


Jim Cross


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 Post subject: Re: Zenith Transoceanic
PostPosted: Oct Sat 02, 2021 3:56 pm 
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Joined: Dec Sat 24, 2011 9:17 pm
Posts: 8376
Location: Vancouver Island, Canada
Thanks for the pic, Jim!
There was a discussion started by Art about that radio in April, with more pics, and a possible ID.

viewtopic.php?f=1&t=395181

Turns out there are two TO's associated with Hemingway, and this one in your pic is the H500 original? No it's not, see below.
More recent pictures show a later model 600. I think? :D
I suspect that original radio disappeared from Hemingway's house in Cuba and was replaced with an incorrect model, similar to the story of Al Capone's prison radio.

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Watch the doughnut, not the hole.
Burl Ives, RIP, oldtimer.
[:l>)


Last edited by westcoastjohn on Oct Sat 02, 2021 5:52 pm, edited 2 times in total.

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 Post subject: Re: Zenith Transoceanic
PostPosted: Oct Sat 02, 2021 4:27 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 18816
Location: Utica, NY 13502 (USA)
westcoastjohn wrote:
Thanks for the pic, Jim!
There was a discussion started by Art about that radio in April, with more pics, and a possible ID.

viewtopic.php?f=1&t=395181

Turns out there are two TO's associated with Hemingway, and this is the H500 original. More recent pictures show a later model 600. I think? :D
But the TransOceanic shown in Jim's picture of Hemingway is an 8G005. You can tell because the faceplate doesn't look at all like an H500. It's not a G500 because the Wavemagnet antenna attached to the lid lacks the circular emblem with the Zenith "Crown" logo. (See the pictures I posted earlier.) So there are actually three T/O's associated with Hemingway: an 8G005 shown in Jim's picture here, and an H500 and a 600 series shown in the other thread.

Dave


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 Post subject: Re: Zenith Transoceanic
PostPosted: Oct Sat 02, 2021 5:17 pm 
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Joined: Dec Sat 24, 2011 9:17 pm
Posts: 8376
Location: Vancouver Island, Canada
So there is more TO to this story than meets the eye? How could that be? :D

Attachment:
Hemingway's H500 LouDGnzagueARF.jpg
Hemingway's H500 LouDGnzagueARF.jpg [ 110.31 KiB | Viewed 293 times ]


He is older in this H500 pic. He could easily have acquired the newer 600 before leaving Cuba in 1960.
No doubt he relied on radio to stay informed and with the revolution gaining strength, might have opted for the latest model.

_________________
Watch the doughnut, not the hole.
Burl Ives, RIP, oldtimer.
[:l>)


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 Post subject: Re: Zenith Transoceanic
PostPosted: Oct Sat 02, 2021 8:56 pm 
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Joined: Apr Sat 04, 2015 6:15 am
Posts: 1957
Location: Dos Rios, CA. region
Thanks ya'll for posting the links of the tube T.O.'s to Hemingway, I had no idea,
no wonder I've kept my Dad's 600L around and acquired a few years back a 8G005.
One of Hemingway's and my own favorite author was another "earnest" writer of that era as well, Ernest Haycox.
Kent

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"How come we never watch Television?" - sonuva TV repairman in the fifties, Mac Rebennack.


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